original papers
Sowinska N., Lechtanska J., Greczka K., Lechniak D., Pawlak P. , (2024), Feline cumulus cells and oocytes show massive accumulation of lipid droplets and upregulation of PLIN2 expression after in vitro maturation
, Theriogenology , 70–78
Mazurkiewicz J., Sidoruk P., Dach J., Szumacher-Strabel M., Lechniak D., Galama P., Kuipers A., Antkowiak IR., Cieslak A., (2023), Leverage of Essential Oils on Faeces-Based Methane and Biogas Production in Dairy Cows
, Agriculture, 13(10) (IF 2022=3.6; 5-Year IF= 3.6)
Gadulrab K., Sidoruk P., Kozlowska M., Szumacher-Strabel M., Lechniak D., Kolodziejski P., Pytlewski J., Strzalkowska N., Horbanczuk JO., Jozwik A., Yanza YR., Irawan A., Patra AK., Cieslak A. , (2023), Effect of Feeding Dried Apple Pomace on Ruminal Fermentation, Methane Emission, and Biohydrogenation of Unsaturated Fatty Acids in Dairy Cows
, Agriculture , 13(10) (IF 2022=3.6; 5-Year IF=3.6)
Malyszka N., Pawlak P., Cieslak A., Szkudelska K., Lechniak D., (2023), Distinct dynamics of lipid accumulation by porcine cumulus cells during in vitro maturation with follicular fluid of low and high fatty acid contents
, Theriogenology, 195, 93-102 (IF'2021=2.74; 5-year IF'2021=2.93)
Huang Haihao, Lechniak D., Szumacher-Strabel M., Patra Amlan Kumar, Kozlowska M., Kolodziejski P., Gao Min, Slusarczyk S., Petri? D., Cie?lak A., (2022), The effect of ensiled paulownia leaves in a high-forage diet on ruminal fermentation, methane production, fatty acid composition, and milk production performance of dairy cows
, Journal of Animal Science and Biotechnology, vol. 13, art. 104, (IF'2020=6,180)
Yanza Yulianri Rizki, Szumacher-Strabel M., Lechniak D., Slusarczyk S., Kolodziejski P., Patra Amlan Kumar, Váradyova Zora, Lisiak D., Vazirigohar Mina, Cieslak A., (2022), Dietary Coleus amboinicus Lour. decreases ruminal methanogenesis and biohydrogenation, and improves meat quality and fatty acid composition in longissimus thoracis muscle of lambs
, Journal of Animal Science and Biotechnology, , vol. 13, art. 5, (IF'2020=6.180)
Lechniak D., Sell-Kubiak E., Warzych E., (2022), The metabolic profile of bovine blastocysts is affected by in vitro culture system and the pattern of first zygotic cleavage
, Theriogenology, 188, 43-51. (IF'2020=2.74; 5-year IF'2020=2.93).
Huang Haihao, Szumacher-Strabel M., Patra Amlan Kumar, Slusarczyk S., Lechniak D., Vazirigohar Mina, Varadyova Zora, Kozlowska M., Cieslak A., (2021), Chemical and phytochemical composition, in vitro ruminal fermentation, methane production, and nutrient degradability of fresh and ensiled Paulownia hybrid leaves
, Animal Feed Science and Technology, vol. 279, art. 115038 (IF'2020=3,247; 5-year IF'2020=3,806)
Pawlak P., Warzych E., Madeja Z., Nowak T., Lechniak D., (2021), Pyometra does not affect some molecular quality-related parameters of canine oocytes
, Annals of Animal Science, vol. 21 (1), 193-204. (IF'2020=2,09 5-years IF'2020=2,103)
Kozlowska M., Cieslak A., Jozwik A., El-Sherbiny M., Gogulski M., Lechniak D., Gao Min, Yanza Yulianri Rizki, Vazirigohar Mina, Szumacher-Strabel M., (2021), Effects of partially replacing grass silage by lucerne silage cultivars in a high-forage diet on ruminal fermentation, methane production, and fatty acid composition in the rumen and milk of dairy cows.
, Animal Feed Science and Technology, 277:114959, (IF’2020=3,247; 5-year IF’2020=3,806)
Libera K., Szumacher-Strabel M., Vazirigohar Mina, Zielinski W., Lukow R., Wysocka K., Kolodziejski P., Lechniak D., Varadyova Zora, Patra Amlan Kumar, Cieslak A., (2021), Effects of feeding urea-treated triticale and oat grain mixtures on ruminal fermentation, microbial population, and milk production performance of midlactation dairy cows
, Annals of Animal Science, vol. 21 (no. 3), s. 1007-1025 (IF'2020=2,09 5-years IF'2020=2,103)
Bryszak M., Szumacher-Strabel M., Huang H., Pawlak P., Lechniak D., Kolodziejski P., Yanza YR., Patra AK., Varadyova Z., Cieslak A. , (2020), Lupinus angustifolius seed meal supplemented to dairy cow diet improves fatty acid composition in milk and mitigates methane production.
, Animal Feed Science and Technology 267:114590, (IF'2020=3,247; 5-year IF'2020=3,806)
Kajdasz A., Warzych E., Derebecka N., Madeja Z.E., Lechniak D., Wesoly J., Pawlak P. , (2020), Lipid Stores and Lipid Metabolism Associated Gene Expression in Porcine and Bovine Parthenogenetic Embryos Revealed by Fluorescent Staining and RNA-seq.
, International Journal of Molecular Sciences, (IF'2020 = 5,923; 5-years IF'2020 = 5,923)
Warzych E., Pawlak P., Lechniak D., Madeja Z.E., (2020), WNT signalling supported by MEK/ERK inhibition is essential to maintain pluripotency in bovine preimplantation embryo.
, Developmental Biology, 463(1):63-76. (IF'2020=3,582, 5-year IF'2020=3,587)
Madeja ZE., Warzych E., Pawlak P., Lechniak D., (2019), Inhibitor mediated WNT and MEK/ERK signalling affects apoptosis and the expression of quality related genes in bovine in vitro obtained blastocysts
, Biochem Biophys Res Commun, 12;510(3):403-408 (IF'2019=2.985, 5-years IF'2019=2.75)
Pawlak P., Warzych E., Cieslak A., Malyszka N., Maciejewska E., Madeja Z. E., Lechniak D., (2018), The consequences of porcine IVM medium supplementation with follicular fluid become reflected in embryo quality, yield and gene expression patterns
, Scientific Reports, 8:15306 (IF'2017=4.122; 5-years IF'2017=4.609)
Warzych E., Pawlak P., Pszczo?a M., Cie?lak A., Madeja Z. E., Lechniak D.
, (2017), Interactions of bovine oocytes with follicular elements with respect to lipid metabolism
, Animal Science Journal
, 88(10): 1491-1497 (IF'2017=1.402, 5-Years IF '2016=1.327).
Warzych E., Pawlak P., Pszczola M., Cieslak A., Lechniak D.
, (2017), Prepubertal heifers versus cows - The differences in the follicular environment
, Theriogenology, 87: 36-47. (IF'2017=2.136; 5-years IF'2017=2.209).
Orsztynowicz M., Lechniak D., Pawlak P., Kociucka B., Kubickova S., Cernohorska H., Madeja Z. E.
, (2017), Changes in chromosome territory position within the nucleus reflect alternations in gene expression related to embryonic lineage specification
, PLoS One
, 12(8): e0182398. (IF’2017=2.766, 5-years IF'2017=3.352).
Warzych E., Cieslak A., Wolc A., Lechniak D.
, (2016), Cathepsin mRNA level in bowine cumulus cells fails to be a good marker of oocyte quality
, Animal Science Papers and Reports
, 34(4): 339-349. (IF'2016=0.725; 5-years IF'2016=0.833).
Orsztynowicz M., Pawlak P., Podstawski Z., Nizanski W., Partyka A., Gotowiecka M., Kosiniak-Kamysz K., Lechniak D.
, (2016), Mitochondrial DNA Copy Number in Spermatozoa of Fertile Stallions
, Reproduction in Domestic Animals
, 51(3):378-385. (IF'2016=1.400; 5-years IF'2016=1.502).
Pawlak P., Chabowska A., Malyszka N., Lechniak D.
, (2016), Mitochondria and mitochondrial DNA in porcine oocytes and cumulus cells - A search for developmental competence marker
, Mitochondrion
, 27: 48-55. (IF'2016=3.704; 5-years IF'2016=3.586).
Pawlak P., Warzych E., Hryciuk M., Lechniak D.
, (2015), Transcript abundance, glutathione and apoptosis levels differ between porcine oocytes collected from prepubertal and cyclic gilts
, Theriogenology
, 84(1), 86-93. (IF'2015=1.838; 5-years IF'2015=2.056).
Orsztynowicz M., Pawlak P., Kociucka B., Mucha S., Klukowska-Rotzler J, Lechniak D.
, (2014), Short-Term Storage and Swim-Up Selection Do Not Affect the X/Y Ratio in Equine Spermatozoa.
, Reproduction in Domestic Animals
, 49(1):52-8, (IF'2014=1,515; 5-letni IF'2014=1,512).
Warzych E., Cieslak A., Madeja ZE., Pawlak P., Wolc A., Lechniak D.
, (2014), Multifactorial Analysis of the Follicular Environment is Predictive of Oocyte Morphology in Cattle.
, Journal of Reproduction and Development
, 60(1):1-8. (IF'2014=1,515; 5-years IF'2014=1,591).
Pawlak P., Warzych E., Chabowska A., Lechniak D.
, (2014), Differences in Cytoplasmic Maturation Between the BCB+ and Control Porcine Oocytes Do Not Justify Application of the BCB Test for a Standard IVM Protocol.
, Journal of Reproduction and Development
, 60(1):28-36, (IF'2014=1,515; 5-years IF'2014=1,591).
Madeja Z.E., Sosnowski J., Hryniewicz K., Warzych E., Pawlak P., Rozwadowska N., Plusa B., Lechniak D.
, (2013), Changes in sub-cellular localisation of trophoblast and inner cell mass specific transcription factors during bovine preimplantation development.
, BMC Developmental Biology
, 13(1): 32 (IF'2013=2,752; 5-years IF'2013=2,995)
Warzych E., Pers-Kamczyc E., Krzywak A., Dudzi?ska S., Lechniak D.
, (2013), Apoptotic index within cumulus cells is a questionable marker of meiotic competence of bovine oocytes matured in vitro.
, Reproductive Biology
, 13: 82-87, (IF'2013=1,048; 5-years IF'2013=1,497)
Pawlak P., Cieslak A., Warzych E., Zejden Z., Szumacher-Strabel M., Molinska-Glura M., Lechniak D. , (2012), No single way to explain cytoplasmic maturation of oocytes from prepubertal and cyclic gilts.
, Theriogenology, 78(9):2020-30, (IF'2012=2,082; 5-years IF'2012=2,521)
Pers-Kamczyc E., Pawlak P., Kubickova S., Rubes J., Lechniak D.
, (2012), Early cleaved bovine embryos show reduced incidence of chromosomal aberrations and higher developmental potential on Day 4.5 post insemination.
, Reproduction in Domestic Animals
, 47(6):899-906 (IF'2012=1,392; 5-years IF'2012=1,823)
Kowalczykiewicz D., Pawlak P., Lechniak D., Wrzesinski J.
, (2012), Altered Expression of Porcine Piwi Genes and piRNA during Development.
, PLoS One.
, 7(8):e43816, (IF'2012= 3,730; 5-years IF'2012=4,244)
Zmora P., Cieslak A., Jedrejek D., Stochmal A., Pers-Kamczyc E., Oleszak W., Nowak A., Szczechowiak J., Lechniak D., Szumacher-Strabel M.
, (2012), Preliminary in vitro study on the effect of xanthohuml on rumen methanogenesis.
, Archives of Animal Nutrition
, 66: 66-71 (IF'2012=1,095; 5-years IF'2012=1,052)
Orsztynowicz M., Pawlak P., Ole? D., Kubickova S, Lechniak D.
, (2011), Low incidence of chromosome aberrations in spermatozoa of fertile boars
, Reproductive Biology
, 11: 224-234 (IF'2011=1,921)
Warzych E., Cie?lak A., Pawlak P., Renska N., Pers - Kamczyc E., Lechniak D.,, (2011), Maternal nutrition affects the composition of follicular fluid and transcript content in gilt oocytes
, Veterinarni Medicina, 56: 156-167
Szumacher-Strabel M., Zmora P., Roj E., Stochmal A., Pers-Kamczyc E., Urba?czyk A., Oleszak W., Lechniak D., Cieslak A., (2011), The potential of the wild dog rose (Rosa canina) to mitigate in vitro rumen methene production.
, Journal of Animal and Feed Sciences, 20: 285-299 (IF'2011=0,636)
Warzych E., Cieslak A., Pawlak P., Renska N., Pers-Kamczyc E., Lechniak D.
, (2011), Maternal nutrition affects the composition of follicular fluid and transcript content in gilt oocytes.
, Veterinarni Medicina
, 56: 156-167 (IF'2011= 0,748)
Pawlak P., Renska N., Pers-Kamczyc E., Warzych E., Lechniak D.
, (2011), The quality of porcine oocytes is affected by sexual maturity of the donor gilt.
, Reproductive Biology
, 11 1: 1-18 (IF'2011=1,921)
Szydlowski M., Buszka A., Mackowski M., Lechniak D., Switonski M.
, (2011), Polymorphism of genes encoding cytokine IL6 and TNF is associated with pig fatness.
, Livestock Science
, 136:150-156 (IF'2011=1,506)
Pawlak P., Pers-Kamczyc E., Renska N., Kubickova S., Lechniak D.
, (2011), Disturbances of nuclear maturation in BCB positive oocytes collected from peri-pubertal gilts.
, Theriogenology
, 75: 832-840 (IF'2011=2,963)
Pers-Kamczyc E., Warzych E., Peippo J. , Lechniak D.
, (2010), Growth hormone exerts no effect on the timing of the first zygotic cleavage in cattle.
, Theriogenology
, 74: 581-595 (IF'2010=2,045)
Madeja Z.,E., Warzych E., Peippo J., Lechniak D., Switonski M.
, (2009), Gene expression and protein distribution of leptin and its receptor in bovine oocytes and preattachment embryos produced in vitro.
, Animal
, 3: 568-578 (IF'2009=1,461)
Warzych E., Peippo J., Szydlowski M., Lechniak D.
, (2007), Supplements to in vitro maturation media affect the production of bovine blastocysts and their apoptotic index but not the proportions of matured and apoptotic oocytes.
, Animal Reproduction Science
, 97: 334-343
Warzych E, Wrenzycki C, Peippo J, Lechniak D., (2007), Maturation medium supplements affect transcript level of apoptosis and cell survival related genes in bovine blastocysts produced in vitro.
, Molecular Reproduction and Development, 74: 280-289
Lechniak D., Warzych E., Pers-Kamczyc E., Sosnowski J., Antosik P., Rubes J.
, (2007), Gilts and sows produce similar rate of diploid oocytes in vitro whereas the incidence of aneuploidy differs significantly.
, Thetiogenology, 68: 755-762
Lechniak D., Szczepankiewicz D., Kauss D., Szulc J., Szyd?owski M.
, (2005), IVM media, oocyte diameter and donor genotype at RYR1 locus in relation to the incidence of porcine diploid oocytes after maturation in vitro.
, Therigenology
, 64: 202-212
Adamowicz T., Pers E., Lechniak D.
, (2005), A New SNP in the 3'-UTR of the hsp 70-1 gene in Bos taurus and Bos indicus.
, Biochemical Genetics
, 43: 623-627
Lechniak D., Szczepankiewicz D., Kauss D., Szulc J., Szyd?owski M.
, (2005), IVM media, oocyte diameter and donor genotype at RYR1 locus in relation to the incidence of porcine diploid oocytes after maturation in vitro.
, Theriogenology
, 64:202-212
Warzych E., Namys? J., Kubiatowicz M., Lechniak D.
, (2004), Growth hormone gene expression in oocytes and zygotes produced by cows heterozygous (Leu127Val) at GH locus.
, Reproductive Biology
, 4(3): 259-269
Lechniak D., Strabel T., Bousquet D., King A., (2003), Sperm pre-incubation prior to insemination affects the sex ratio of bovine embryos produced in vitro.
, Reproduction in Domestic Animals 38(3): 224-227.,
Joudrey E.M., Lechniak D., Petrik J., King W.A., (2003), Expression of growth hormone and its transcription factor, Pit-1, in early bovine development.
, Molecular Reproduction and Development 64(3): 275-283.,
Madeja Z., Waroczyk M., Strabel T., Lechniak D., (2003), Przydatnosc testu hipoosomotycznego pocznienia plemnikow do oceny jakosci nasienia buhajow i knurow.
, Medycyna Weterynaryjna 59(12): 115-118.,
Lechniak D., Kaczmarek D., Stanis?awski D., Adamowicz T., (2002), The ploidy of in vitro matured bovine oocytes is related to the diameter.
, Therigenology 57: 1303-1308.,
Lechniak D.
, (2002), P?e? a przedimplantacyjny rozwój zarodków ssaków.
, Medycyna Weterynaryjna 58(8): 581-584.
,
Lechniak D., Wieczorek M., Sosnowski J., (2002), Low incidence of diploidy among equine oocytes matured in vitro.
, Equine Veterinary Journal 34(7): 738-740.,
Lechniak D., K?dzierski A., Stanis?awski D.
, (2002), The use of HOS test to evaluate membrane functionalitry of boar sperm capacitated in vitro.
, Reproduction Domestic Animals 37: 379-380.
,
Lechniak D., Adamowicz T., Stanis?awski D., Kaczmarek D., (2002), In vitro maturation and fertilisation of bovine oocytes in relation to GH gene polymorphism (Leu/Val).
, Reproduction Nutrition Development 42: 275-280.,
Lechniak D., Strabel T., Przybyla D., Machnik G., Switonski M., (2002), GH and CSN3 gene polymorphisms and their impact on milk traits in cattle.
, Journal of Animal and Feed Sciences 11: 39-45.,
Lechniak D., Madeja Z.
, (2001), Analiza ekspresji genu hormonu wzrostu w zarodkach bydl?cych.
, Post?py Biologii Komórki (28)18: 123-135.
,
Machnik G., Lechniak D.
, (2000), Funkcje hormonu wzrostu (GH) w m?skich procesach rozrodczych.
, Medycyna Weterynaryjna 56(4): 218-221
,
Lechniak D., Long S.E., Nissen A.K., Bailey M.
, (2000), The size of pig embryos is not infuenced by their sex by day-10 after insemination.
, Journal of Animal and Feed Sciences 9: 113-121
,
Lechniak D., Machnik G., Szyd?owski M., ?wito?ski M., (1999), Growth hormone gene polymorphism and reproductive performance of AI bulls.
, Theriogenology 52: 1145-1152.,
Lechniak D., Switonski M.
, (1998), Aneuploidy in bovine oocytes matured in vitro.
, Chromosome Research 6: 504-506
,
Lechniak D., Cie?lak D., Sosnowski J.
, (1998), Cytogenetic analysis of bovine parthenogenotes after spontaneous activation in vitro.
, Theriogenology 49: 779 -785
,
Lechniak D., ?wito?ski M., Sosnowski J., Rusiecka E., (1997), The use of CBG-banding technique in chromosome studies of bovine oocytes matured in vitro.
, Animal Science Papers and Reports 15 (4): 219-224.,
Lechniak D., Sosnowski J., ?wito?ski M., (1997), Identification of synaptonemal complexes in postnatal oocytes from one-day-old puppies of domestic dog (Canis familiaris).
, Journal of Applied Genetics 38 (4): 477-479.,
Lechniak D., Cumming I.R., (1997), The use of amelogenin gene polymorphism in PCR embryo sexing in bovine IVF embryos.
, Journal of Applied Genetics 38(1): 45-49.,
Sosnowski J., Lechniak D., Brzozowska M., ?wito?ski M., (1997), Cytogenetic analysis of horse oocytes matured ?in vitro? for different periods of time.
, Reproduction Nutrition Devepment 37: 63-68.,
Sosnowski J., ?wito?ski M., Lechniak D., Moli?ski K.
, (1996), Cytogenetic evaluation of in vitro matured bovine oocytes collected from ovaries of indyvidual donors.
, Theriogenology 45: 865-872.
,
Lechniak D., ?wito?ski M., Sosnowski J.
, (1996), The incidence of bovine diploid oocytes matured in vitro.
, Theriogenology 46: 267-277
,
Lechniak D.
, (1996), The incidence of polyploidy and mixoploidy in early bovine embryos derived from in vitro fertilization.
, Genetics Selection Evolution 28: 321-328.
,
papers on conference
Madeja Z., Plusa B., Lechniak-Cieslak D., (2011), Searching for Optimal Conditions and Time Point for the Derivation of Bovine Embryonic Stem Cells (bESC): Pluripotenc Markers Gene Expression.
, Cutting-edge Reproductive Physilogy -from gamete to baby - September 13-15, 2011. Morioka, Iwate, Japan., 26-27
Buszka A., Szyd?owski M., Lechniak D., (2008), Gen interleukiny 6 ?wini-polimorfizm regionu promotorowego i profil ekspresji w mi??niach.
, II Polski Kongres Genetyki 18-20.09.2009, Warszawa,
Buszka A., Szyd?owski M., Lechniak D., (2008), Polimorfizm regionu promotorowego oraz wzgl?dny poziom transkrypcji genów FABP3 i IL-6 w tkance mi??niowej ?wini.
, II Sympozjum Sprawozdawcze Projektu Zamawianego PBZ-KBN-113/PO6/2005, IGHZ PAN Jastrz?biec 24-25.01.2008,
Warzych E., Lechniak D., Antosik P., Sosnowski J., Rubes J.
, (2006), Diploidy and aneuploidy in porcine oocytes matured in vitro in relation to oocyte donor (gilt vs sow)
, 22nd Annual Meeting A.E.T.E. - Zug, Switzerland, 8-9th September
, Abstracts :200
Sosnowski J., Waroczyk M., Pawlak M., Lechniak D., ?wito?ski M.
, (1999), Analiza cytogenetyczna gamet i zarodków produkowanych in vitro. Polskie Towarzystwo Zootechniczne, Zastosowanie Nowoczesnej Genetyki w Produkcji Zwierz?cej, Zjazd Katedr Jednoimiennych Mi?dzyzdroje, 15-16.06.1999,
,
, Zeszyty Naukowe Przegl?du Hodowlanego 40: 180-181
Klukowska J., Zaj?c M., Lechniak D., Machnik G., Nowaczyk K., Przyby?a D., ?wito?ski M.
, (1999), Polimorfizm DNA w genomach zwierz?t gospodarskich. Polskie Towarzystwo Zootechniczne, Zastosowanie Nowoczesnej Genetyki w Produkcji Zwierz?cej, Zjazd Katedr Jednoimiennych Mi?dzyzdroje, 15-16.06.1999, Zeszyty Naukowe Przegl?du Hodowlanego 40: 160-161
,
,
?wito?ski M., Lechniak D., Sosnowski J.
, (1999), Chromosomy oocytów i zarodków ssaków,uzyskanych metod? in vitro. I Krajowy Kongres Biotechnologii, Wroc?aw 20-25 wrze?nia 1999, Referaty: 240-241
,
,
Lechniak D., Betts D.H., Kawarsky S.J., King W.A.
, (1999), Growth hormone gene is expressed in bovine preattachment embryos produced in vitro. Annual Conference, Aberystwyth, July, 1999, Journal of Reproduction and fertility 23: 33
,
,
Lechniak D., Machnik G., Szyd?owski M., ?wito?ski M.
, (1999), Relationship between growth hormone (GH) gene polymorphism and sperm characteristics in AI bulls. Annual Conference of the International Embryo Transfer Society, Quebec City, Canada, Theriogenology 51: 346
,
,
review articles
Warzych E., Pawlak P., Lechniak D., (2021), Metabolizm lipidow a potencjal rozwojowy oocytow i zarodkow ssakow.
, Post?py Biochemii , 67 (4)
Libera K., Wlodarek J., Warzych E., Cieslak A., Szumacher-Strabel M., Jankowiak T., Lechniak D., (2020), Reproductive performance of dairy cows fed a diet supplemented with n-3 polyunsaturated fatty acids – a review
, Annals of Animal Sciences, (IF'2020=2,09 5-years IF'2020=2,103)
Lechniak D., Pers-Kamczyc E., Pawlak P.
, (2008), Timing of the first zygotic cleavage as a marker of developmental potential of mammalian embryos.
, Reproductive Biology
, 8: 23-42
Lechniak D., Warzych E., Pers-Kamczyc E., (2008), Analiza transkryptów jako narz?dzie w ocenie jako?ci oocytów i zarodków byd?a.
, Biotechnologia, 1:31-44
Szczepankiewicz D., Lechniak D., (2005), Gen receptora rianodiny (RyR1)- polimorfizm i zwi?zek z rozrodem ?wini domowej.
, Medycyna Weterynaryjna, 61(3): 262-265
Warzych E., Lechniak D., (2005), Apoptoza w oogenezie i wczesnym rozwoju zarodkowym ssaków.
, Biotechnologia 1(68): 172-182,
Szczepankiewicz D., Lechniak D., (2005), Ryanodine receptor gene (RyR1): its polymorphism and relation to pig reproduction.
, Medycyna Weterynaryjna, 61: 241-360
Lechniak D., Long S.E., Nissen A.K.
, (2002), Distribution of polymorphic forms at the porcine GH locus in a population of day-10 pig embryos.
, Journal of Applied Genetics 43(1): 93-96.
,
Madeja Z., Piasecka A., Lechniak D., ?wito?ski M., (2002), Leptyna - polimorfizm genetyczny i rola w rozrodzie.
, Medycyna Weterynaryjna 58(8): 572-576.,
Lechniak D., (2002), Quantitative aspect of gene expression analysis in mammalian oocytes and embryos.
, Reproductive Biology2(3): 229-241.,
Cie?lak D., Lechniak D., (1998), Aktywacja oocytów ssaków w warunakch in vitro.
, Biotechnologia 3 (42): 54 - 60.,
Lechniak D., (1998), Hormon wzrostu (GH)- polimorfizm i wp?yw na ?e?skie cechy reprodukcyjne.
, Medycyna Weterynaryjna 54(6): 383-385.,
Lechniak D., Cumming I. R., Kaczmarek J., (1998), Wykorzystanie testu oporno?ci osmotycznej plemników w rutynowej ocenie jako?ci nasienia buhajów.
, Medycyna Weterynaryjna 54 (11): 741 - 743.,
Lechniak D.
, (1996), Anomalie chromosomowe przyczyn? zamierania gamet i zarodków zwierz?t.
, Medycyna Weterynaryjna 52(2): 89-93.
,
popular science publications
Greczka K., Lechniak-Cieslak D., Mucha S., Greczka Z. , (2020), Koza saanenska – charakterystyka rasy i wykorzystanie w produkcji mleka.
, Przegl?d Hodowlany 6:5-7,
Orsztynowicz M., Hryciuk M., Perkowska A., Lechniak D., (2013), Sztuczne unasienianie w hodowli koni. Cz.1 Pozyskiwanie nasienia.
, Konie i rumaki, 9 (401): 34-39.
Orsztynowicz M., Lechniak D., (2013), Sztuczne unasienianie w hodowli koni. Cz.1 Techniki unasieniania klaczy.
, Konie i rumaki, 10 (402): 34-38.
Orsztynowicz M., Jankowska M., Lach M., Leszczy?ska A., Sobieraj I., Lechniak D.
, (2011), Klonowanie koni- fikcja czy rzeczywisto???
, Konie i Rumaki
, 377: 32-35
Orsztynowicz M., Jankowska M., Lach M., Leszczy?ska A., Sobieraj I., Lechniak D., (2011), Klonowanie koni- fikcja czy rzeczywisto??? Cz. 2. Urodzone klony.
, Konie i Rumaki, 378: 38-41
Lechniak D.
, (2001), Syndrom du?ego potomstwa u noworodków byd?a i owiec pochodz?cych z zarodków uzyskanych in vitro.
, Przegl?d Hodowlany
, 6: 15-16.
Lechniak D.
, (1999), University of Guelph (Kanada) widziany przez polsk? stypendystk?.
, Wie?ci Akademickie 3: 16-17
,
Lechniak D., (1998), Próby odchowu g?go?a (Bucephala clangula) w warunkach wolierowych.
, Polskie Drobiarstwo 5: 20-21.,
Lechniak D., Cumming I.R., ?wito?ski M., (1997), Wykorzystanie polimorfizmu amelogeniny (AMGL) do oznaczania p?ci zarodków bydl?cych.
, Przegl?d Hodowlany, 7: 6,
books
Cieslak D., Cieslak J., Dragan M., Mackowski M., Madeja Z.E., Nowacka-Woszuk J., Pawlak P., Szczerbal I., Switonski M., (red.) Warzych E. , (2023), Genetyka ogolna i weterynaryjna
, Wydawnictwo Naukowe PWN S.A.,
Switonski M., Ma?kowski M., Chmurzy?ska A., Ma?kowiak P., Szyd?owski M., Kaczmarek P., Nowak K.W., Madeja Z., Lechniak D., Kamyczek M., Eckert R., Ró?ycki M.
, (2004), Polimorfizm i ekspresja genów leptyny oraz receptora leptyny.
, W: Post?py genetyki molekularnej Byd?a i trzody chlewnej. [red.] M. Switonski
, 332 - 377
lecture notes
Lechniak D., Sosnowski J., Dorynek Z., (1998), In?ynieria komórkowa u zwierz?t. Przewodnik do ?wicze? laboratoryjnych. Wydawnictwo Akademii Rolniczej im. Augusta Cieszkowskiego w Poznaniu.
, ,
abstracts
Sowi?ska N., ?echta?ska J., Nowak T., Cie?lak A., Lechniak D., Kajdasz A., Pawlak P., (2024), Towards defining physiological and pathological genital tract microbiota in bitches using Next-Generation Sequencing
, 25th International Evssar Congress, Barcelona, Hiszpania, 27-29 czerwca 2024
Lechniak-Cieslak D., Poplawski R., Cieslak A., Szkudelska K., Pszczola M., Murawski M., Fabian D., Nowak B., Sidoruk P., (2024), Effect of Unsaturated N-3 Fatty Acids From The Camelina Sativa L Cake on Fatty Acid and Adipokine Contents in The Serum of HF Heifers
, Society for Study of Reproduction (SSR) 57th annual meeting, Dublin (Ireland) July 15-19th 2024
Cieslak A, Poplawski R, Szkudelska K, Pszczola M, Murawski M, Fabian D, Nowak B, Sidoruk P, Kolodziejski P, Lechniak-Cieslak D., (2024), Camelina sativa L cake as a source of n-3 fatty acids does not affect the reproductive traits of HF heifers
, European Federation of Animal Science (EAAP) 75th annual meeting, Florence (Italy) September 1-5th 2024
Sowinska N., Lechtanska J., Nowak T., Cieslak A., Lechniak D., Kajdasz A., Pawlak P., (2024), Characterizing healthy and pathological microbiomes in the canine reproductive tract using next-generation sequencing
, 10th Meeting of the Society for Biology of Reproduction, Warszawa, 12-14 wrze?nia 2024
Fakruzzaman MD., Warzych E., Pawlak P., Madeja Z., Lechtanska J., Lechniak D. , (2024), Effect of IVM media supplementation with n6/n3 fatty acids on the quality of bovine oocytes and blastocysts
, 10th Meeting of the Society for Biology of Reproduction, Warszawa, 12-14 wrze?nia 2024
Warzych E., Kajdasz A., Lechtanska J., Madeja Z.E., Derebecka N., Wesoly N., Lechniak D., Pawlak P. , (2024), XIAP role in executing apoptosis in parthenogenetic porcine and bovine embryos
, 10th Meeting of the Society for Biology of Reproduction, Warszawa, 12-14 wrze?nia 2024
Lechtanska J., Toloczko P., Szkudelska K., Warzych E., Madeja Z.E., Lechniak D., Pawlak P. , (2023), BPA inhibits nuclear maturation and induce lipid accumulation in porcine oocytes matured in vitro
, 3rd Meeting of Visegrád Group Society for Developmental Biology, Warszawa, 8-10 wrze?nia 2023
Sowinska N., Pawlak P., Greczka K., Lechtanska J., Lechniak-Cieslak D., (2022), The expression profile of selected genes involved in lipid metabolism and lipid stores in feline oocytes matured in vitro
, VI Polski Kongres Genetyki : Krakow, 27-30 czerwca 2022,,
Lechniak D., Sell-Kubiak E., Bugaj S., Pawlak P., (2022), Limited predictive value of sperm characteristics on successful insemination of dairy AI bulls
, VI Polski Kongres Genetyki : Krakow, 27-30 czerwca 2022,
Sowinska N., Pawlak P., Greczka K., Lechniak-Cieslak D., (2022), Selected aspects of lipid metabolism in oocytes of the domestic cat
, ISCFR-EVSSAR Congress, Milan, June 30 - July 2, Book of Abstracts 163
Sowinska N., Pawlak P., Lechtanska J., Greczka K., Kozlowska K., Lechniak-Cieslak D. , (2022), Wybrane aspekty metabolizmu lipidow w oocytach kota domowego
, XXX Jubileuszowy Miedzynarodowy Kongres Medycyny Weterynaryjnej Malych Zwierzat PSLWMZ, Lodz, 17-20.11.2022 ,
Malyszka N., Pawlak P., Lechniak-Cieslak D., (2019), Fatty acid profile in follicular fluid affects the quality of porcine cumulus oocyte complexes in vitro.
, V The 5th Winter Workshop of the Society for Biology of Reproduction "Central and Local Regulation of Reproductive Processes", Zakopane, Poland, 13-15 Februart 2019,
Pawlak P., Malyszka N., Szczerbal I., Warzych E., Madeja Z. E., Lechniak D., (2018), The influence of stearic and oleic fatty acids supplementation on early embryo development, gene expression and phenotypic divergence of lipid droplets in cumulus cells.
, Visegrad Group Society for Developmental Biology: Inaugural Meeting., 7-9.09.2018, Brno, Czechy, Conference Materials: p49
Madeja Z. E., Warzych E., Pawlak P. Lechniak D.
, (2018), Pluripotency and lineage specific signalling affects the quality of bovine preimplantation embryos obtained in vitro
, V4 Society for Developmental Biology: Inaugural Meeting, September 6-9, 2018 Brno, Czech Republic
, Book of abstracts: page 67
Pawlak P., Malyszka N., Szczerbal I., Warzych E., Madeja Z. E., Lechniak D., (2018), The influence of stearic and oleic fatty acids supplementation on early embryo development, gene expression and phenotypic divergence of lipid droplets in cumulus cells.
, Visegrad Group Society for Developmental Biology: Inaugural Meeting., 7-9.09.2018, Brno, Czechy P49
Pawlak P., Warzych E., Madeja Z.E., Lechniak D., (2015), What kind of follicular fluid do You like the most? Study on porcine oocytes and embryos
, Epigenetics and Preconception Environment, EPICONCEPT Conference, 06-07 X 2015, Kreta, Grecja,
Pawlak P., Cie?lak A., Warzych E., Ma?yszka N., Madeja Z., Lechniak D.
, (2015), Follicular fluid and oocytes from prepubertal and cyclic gilts differ in respect to fatty acid content and the number of lipid droplets
, Epigenetics and Periconception Environment, EPICONCEPT Workshop, 26-29 IV 2015, Dubrovnik, Chorwacja
, Abstracts: P-35 (s. 46).
Hryniewicz K., Madeja Z., Lechniak D.
, (2014), The effect of 2i inhibitor system on pluripotency marker genes expression in bovine blastocysts.
, The 2014 Regenerative Medicine Event: Stem Cell Reprogramming, London, 2nd June 2014, UK.
,
Warzych E., Pawlak P., Lechniak D., (2013), Wzgl?dny poziom transkryptów genów SCD, FADS2 i ELOVL5 w komórkach p?cherzykowych oraz granulozy byd?a.
, IV Polski Kongres Genetyki, Pozna?, 10 - 13 wrze?nia 2013., ZP-36, str. 150.
Bugaj S., Pawlak P., Nizanski W., Molinska-Glura M., Partyka A., Molinski K., Bukowska D., Lechniak-Cieslak D., (2013), MtDNA content in spermatozoa of dogs with normal and impaired reproductive performance.
, 2nd Joint German-Polish Conference on Reproductive Medicine; 46th Annual Conference of Physiology and Pathology of Reproduction; 38th Joint Conference on Veterinary and Human Reproductive Medicine Gdansk Feb 28 – March 1, Reproductive Biology, 13, suppl. 2 , abstract SL2.2 (8)
Pawlak P., Warzych E., Madeja Z., Lechniak-Cieslak D., (2013), Relative transcript abundance of eight marker genes in oocytes of prepubertal and cyclic gilts.
, International Embryo Transfer Society Meeting, Hannover, January 19-22, Reproduction, Fertility and Development,, 25, issue 1, abstract 269; p 282.
Warzych-Plejer E., Cieslak A., Wolc A., Cieslak D., (2011), Fatty Acid composition of follicular fluid of individual bovine ovarian follicles.
, Proceeding of the 4th General Meeting of Gemini, Gijon, Spain, 29th September - 2nd October 2011, 80
Madeja Z., Plusa B., Lechniak-Cieslak D.
, (2011), Searching for Optimal Conditions and Time Point for the Derivation of Bovine Embryonic Stem Cells (bESC): Pluripotency Markers Gene Expression.
, The Journal of Reproduction and Development
, vol 57: 86
Kowalczykiewicz D., Pawlak P., Lechniak D., Wrzesinski J., (2011), Altered expression of porcine piwi genes during development.
, Sixteenth Annual Meeting of the RNA Society, Kyoto, Japan, 14-18 czerwca 2011.,
Orsztynowicz M. , Klukowska-Rotzler J., Pawlak P., Mucha S., Lechniak-Cieslak D., (2011), Krótkotrwa?e przechowywanie plemników ogiera nie zmienia proporcji gamet z chromosomem X.
, VI Zjazd TBR, Pola?czyk, 8-10 wrze?nia, streszczenia, s.110
Madeja Z., Sosnowski J., Polley K., Orsztynowicz M., Lechniak-Cieslak D. , (2011), Markery pluripotencji w blastocystach byd?a – analiza ekspresji wybranych genów.
, VI Zjazd TBR, Pola?czyk, 8-10 wrze?nia, streszczenia., s.102.
Pawlak P., Zejden Z., Chabowska A., Lechniak-Cieslak D.
, (2011), Liczba kopii mtDNA a jako?? oocytów loszek niedojrza?ych i dojrza?ych p?ciowo.
, VI Zjazd TBR, Pola?czyk, 8-10 wrze?nia, streszczenia
, s.104
Pawlak P., Pers-Kamczyc E., Lechniak-Cieslak D.
, (2011), mtDNA copy number in oocytes of pre-pubertal and cyclic gilts.
, International Embryo Transfer Society Conference (IETS) Orlando (Floryda, USA)
, 8-12.01
Kowalczykiewicz D., Pawlak P., Lechniak D., Wrzesinski J., (2010), Real-time PCR analysis of piwi family genes expression in the porcine oocytes.
, Proceedings of the 3nd General Meeting of GEMINI. Soustons, France, 01-03.10.2010
Pers-Kamczyc E., Pawlak P., Re?ska N., Lechniak D.
, (2010), Czas pierwszego podzia?u zygoty wp?ywa na cz?sto?? zaburze? chromosomowych w zarodkach byd?a pozyskanych in vitro.
, II Zimowa Konferencja Towarzystwa Biologii Rozrodu, Zakopane.
, 17-19.II.2010, 28
Pers-Kamczyc E., Gi?ejewski Z., Pawlak P., Re?ska N., Ordanik H., Polley K., Lechniak D.
, (2009), Potencja? rozwojowy zarodków hybrydowych (byd?o domowe x ?ubr) pozyskanych w warunkach laboratoryjnych.
, Mi?dzynarodowa konferencja 80 lat restytucji ?ubra w Puszczy Bia?owieskiej. Bia?owie?a, 28-29.09.2009.
, 47-49
Pers-Kamczyc E., Lechniak D.
, (2009), Growth hormone affests transcript level of genes related to embryo quality in blastocysts derived from early cleaving bovine zygotes.
, Maternal communication with gamets and embryo. Proceedings of the 2nd General Meeting of GEMINI. Sardinia, 01-03.10.2009.
, 80
Pawlak P., Lechniak D.
, (2009), Distribution pattern of cortical granulae in oocytes collected from peri-pubertal gilts in relation to BCB competence and donor puberty
, Maternal communication with gamets and embryo. Proceedings of the 2nd General Meeting of GEMINI. Sardinia, 01-03.10.2009.
, 79
Lechniak D., Renska N., Cieslak A., Warzych E., Pawlak P., Pers-Kamczyc E.
, (2009), Donor nutrition as factor affecting oocyte quality in peri-pubertal gilts.
, Workshop Working Group 1: Experimental models. Lansk, 7-8.05.2009.
, 29
Pawlak P., Pers-Kamczyc E., Renska N., Lechniak D.
, (2009), Numerical chromosome aberrations in competent (BCB+) oocytes of peri-pubertal gilts after matiration in vitro.
, 25th Scientific Meeting. Association Europeene de Transfert embryonnaire. Poznan, 11-12.09.2009.
,
Pers-Kamczyc E., Warzych E., Peippo J., Lechniak D.
, (2009), Supplementation of in vitro maturation medium with growth hormone did not affect the timing of the first zygotic cleavage but significantly improved the quality of resulting bovine blastocysts.
, 35th Annual Conference of the International Embryo Transfer Society, 4-6 January, San Diego USA
, abstracts: 162
Zaorska K., Pers-Kamczyc E., Lechniak D.
, (2009), Timing of the first zygotic cleavage was not related to the shift in sex ratio of bovine blastocyst in vitro.
, 35th Annual Conference of the International Embryo Transfer Society, 4-6 January, San Diego USA
, abstracts: 165-166
Gizejewski Z., Lechniak D., G?ogowski J., Demianowicz W., Kowalski R., Pawlak P.
, (2008), Doskonalenie metod kriokonserwacji pobranego post mortem nasienia ?ubra Bison Bonasus L jako podstawa utworzenia banku zasobów genetycznych gatunku.
, VI Mi?dzynarodowa Konferencja Naukowa ?ubr w sieci "Natura 2000" 15-16 wrze?nia, Cisna , Streszczenia 16-18
Warzych-Plejer E., Pers-Kamczyc E., Re?ska N., Giertych M., Braun K., Lechniak D.
, (2008), Jako?? oocytów a dojrza?o?? p?ciowa loszek
, V Jubileuszowy Zjazd TBR, Wroc?aw 10-13 wrzesie?
, Streszczenia 117
Pers-Kamczyc E., Warzych E., Lechniak D., (2007), Timining of the first zygotic cleavage in relation to blastocyst quality in cattle.
, Acta Biochimica Polonica - EUROBIOTECH, Biotechnology in Agriculture, 25-27 April 2007, Kraków, 54:55
Warzych E., Pers E., Buszka A.., Strabel T., Lechniak D.
, (2007), Transcript level of Hsp70 and IGF2R genes in bovine individual blastocysts derived from oocytes matured with FBS or fatty acid-free BSA.
, "Reproduction,Fertility and Development - Proceedings of the Annual Conference of the International Embryo Transfer Society" Kyoto, Japan, 6-10 January
, Reproduction, Fertility and Development, Abstracts 285 :258
Lechniak D., Pers-Kamczyc E., Warzych-Plejer E., Pawlak P.
, (2007), Kompetencja mejotyczna oocytów pozyskanych od dojrza?ych p?ciowo loch.
, II Polski Kongres Genetyki" Warszawa,18-20 wrze?nia
, Streszczenia :78
Lechniak D.
, (2007), Ekspresja genów w przedimplantacyjnych zarodkach ssaków.
, III Krajowy Kongres Biotechnologii" Pozna? 09-12 wrze?nia
, Streszczenia:113
Lechniak D., Warzych W., Pawlak P., Gi?ajewski Z.
, (2007), Wykorzystanie techniki zap?odnienia in vitro do oceny jako?ci nasienia ?ubra.
, "Rola hodowli ex situ w procesie restytucji ?ubra" Go?uchów 2-3 pa?dziernika
, Streszczenia :78
Warzych E., Lechniak D., (2005), Gene expression analysis as a tool for quality assessment of bovine embryos. Polish - German seminar on ,,Modern approaches to animal breeding", Pozna?, November 17-18, 2005, Abstracts: 21.
, ,
Switonski T., Szwaczkowski T., Lechniak D.
, (2005), Modern genetic studies carried on in the Department of Genetics and Animal Breeding, August Cieszkowski University of Pozna?. Polish-German seminar on ,,Modern approaches to animal breeding" Pozna?, November 17-18, 2005, Abstracts: 9-11.
,
,
Warzych E., B?ajecka K., ?abusi?ska M., Lechniak D.
, (2005), Apoptosis and developmental competence of bovine embryos derived from oocytes matured in TCM 199 medium supplemented with FBS, fafBSA or PVP 40. The 4th Symposium of the Society for Biology of Reproduction. Joint Polish-Japanese Seminar
,
, Krak?w, Poland 22-24 September, Abstracts: 230.
Warzych E., Pers E., Lechniak D.
, (2005), Apoptoza w oocytach i zarodkach bydlecych (TUNEL, real time PCR). Zjazd Katedr Jednoimiennych Genetyki. Warszawa, 1-3 wrzesnia 2005, Streszczenie: 51.
,
,
Warzych E., Matulewicz K., Nogowska A., Lechniak D.
, (2005), Protein supplementation to IVM medium in relation to the incidence of apoptosis in bovine oocytes matured in vitro.
, Proceedings of the Annual Conference of the International Embryo Transfer Society, Copenhagen, Denmark, 8-12 January 2005,
, Reproduction, Fertility and Development abstracts: 302
Madeja Z., Lechniak D., Peippo J., Switonski M.
, (2005), The distribution of the leptin protein within bovine oocytes and pre-implantation embryos matured and fertilized in vitro.
, Proceedings of the Annual Conference of the International Embryo Transfer Society, Copenhagen, Denmark, 8-12 January, Reproduction, Fertility and Development: abstracts 207
,
Pers E., Adamowicz T., Lechniak D.
, (2004), Polimorfizm genu bia?ka szoku termicznego hsp 70-1 byd?a.
, Polski Kongres Genetyki,Gda?sk, 6-9 wrze?nia, Streszczenia;
, 150
Sosnowski J., Pijacka W., Wo?niczko I., Lechniak D.
, (2004), Wp?yw sk?adu po?ywki na zaburzenia wrzeciona podzia?owego w oocytach bydl?cych dojrzewaj?cych in vitro
, Polski Kongres Genetyki, Gda?sk, 6-9 wrze?nia 2004, Streszczenia;
, 145
Warzych E., Matulewicz K., Nogowska A., Lechniak D.
, (2004), Sk?ad po?ywki do dojrzewania in vitro a wyst?powanie apoptozy w oocytach bydl?cych.
, Polski Kongres Genetyki, Gda?sk, 6-9 wrze?nia, Streszczenia;
, 144
Madeja z., Lechniak D.
, (2004), Ilo?ciowa analiza ekspresji genu leptyny (LEP) w tkance t?uszczowej ?wini.
, Polski Kongres Genetyki, Gda?sk, 6-9 wrze?nia 2004, Streszczenia;
, 139
Lechniak D., Kauss D., Szczepankiewicz D., Szulc J., Szyd?owski M., (2003), Poszukiwanie przyczyn cz?stego zaburzenia procesu wyrzucenia i cia?ka kierunkowego w dojrzewaj?cych in vitro oocytach ?wini.
, X Ogólnopolska Konferencja Cytogenetyczna Pozna?, 5-6 czerwca 2003, 26.,
Lechniak D., Madeja Z.
, (2001), Analiza ekspresji genu hormonu wzrostu w zarodkach bydl?cych. II Krajowy Zjazd Towarzystwa Biologii Rozrodu, Warszawa, 5-8 czerwca 2001, Materia?y Zjazdowe: 40
,
,
Lechniak D., Jourdey E., Warzych E., Namys? J., Kubasiewicz M., King W.A.
, (2001), Analiza ekspresji genu hormonu wzrostu (GH) w zarodkach bydl?cych wyprodukowanych in vitro. II Krajowy Zjazd Towarzystwa Biologii Rozrodu, Warszawa, 5-8 czerwca 2001, Materia?y Zjazdowe: 44
,
,
Madeja Z., Waroczyk M., K?dzierski A., Lechniak D., ?wito?ski M., (2001), Wykorzystanie testu hiposoosmotycznego p?cznienia plemników (ORT) w ocenie nasienia buhajów oraz knurów. II Krajowy Zjazd Towarzystwa Biologii Rozrodu, Warszawa, 5-8 czerwca 2001, Materia?y Zjazdowe: 62-63
, ,
D. Lechniak, D. Kaczmarek, D. Stanis?awski, M. Waroczyk, T. Adamowicz
, (2001), Oocyte size in relation to ploidy in bovine secondary oocytes matured in vitro. Proceedings of the Annual Conference International Embryo Transfer Society, Omaha, Nebraska USA, 13-16 January 2001. Theriogenology, Journal of Animal Reproduction 55(1): 479
,
,
D. Lechniak, T. Adamowicz, D. Stanis?awski, D. Kaczmarek
, (2001), Polimorfizam LEU 127 VAL genu hormonu wzrostu u byd?a a liczba i przydatno?? oocytów do dojrzewania in vitro. XIV Zjazd Polskiego Towarzystwa Genetycznego, Pozna?, 11-13 czerwca 2001, Streszczenia: 64
,
,
Joudrey E.M., Lechniak D., King A.
, (2001), Expression of growth hormone in pre-attachment bovine embryos
, 34th Annual Meeting, University of Ottawa, July 28-August 1, 2001, Biology of Reproduction
, 64(1): 271
Lechniak D., Strabel T., King W.A.
, (2000), Sperm preincubation in relation to sex and development of bovine embryos in vitro. Society for the Study of Fertility British Fertility Society British Andrology Society Joint Meeting, Edinburgh, July 2000, Journal of Reproduction and fertility 25: 91
,
,
Lechniak D., Machnik G., Szyd?owski M., Sosnowski J., ?wito?ski M.
, (1999), Ocena wp?ywu polimofizmu genu hormonu wzrostu (bGH) na wybrane cechy rozrodcze byd?a. I Zjazd Towarzystwa Biologii Rozrodu Mierki k. Olsztyna, 4-5 czerwca 1999, Streszczenia: 104
,
,
Sosnowski J., Waroczyk M., Lechniak D., ?wito?ski M.
, (1999), Aneuploidie w dojrzewaj?cych in vitro oocytach ?wini. I Zjazd Towarzystwa Biologii Rozrodu Mierki k. Olsztyna, 4-5 czerwca 1999, streszczenia: 15
,
,
Lechniak D., Machnik G., ?wito?ski M., Sosnowski J.
, (1998), Bovine growth hormone polymorphism (RFLP) in relation to oocyte quality and suitability for in vitro maturation - a preliminary report. The 13th Symposium of the Polish Genetics Society. Warszawa, September 22-25, 1998, Abstracts: 128
,
,
Lechniak D., Long S.E., Nissen A.K.
, (1998), Growth hormone polymorphism (RFLP) in day-10 pig embryos. 13th European Colloquium on Cytogenetics of Domestic Animals. Hungarian Academy of Sciences. Budapest, Hungary, 1-6 June, 1998, Abstracts: 68
,
,
Lechniak D., ?wito?ski M.
, (1998), The incidence of aneuploidy in bovine oocytes matured in vitro. 13th European Colloquium on Cytogenetics of Domestic Animals. Hungarian Academy of Sciences. Budapest, Hungary, 1-6 June, 1998, Abstracts: 66
,
,
Sosnowski J., Waroczyk M., Lechniak D., ?wito?ski M.
, (1998), Aneuploidy in pig secondary oocytes matured in vitro. The 13th Symposium of the Polish Genetics Society. Warszawa, September 22-25, 1998, Journal Applied Genetics: 143
,
,
?wito?ski M., Lechniak D., Pie?kowska A., ?ado? D., Zaj?c M., Komisarek J., Sosnowski J., Klukowska J., Pawlak M., Machnik G., Waroczyk M., Rogalska N., Szyd?owski M.
, (1998), Cytogenetic and molecular genetic studies in breeding practice. Polish-Swiss Seminar Application of Molecular Genetic Methods in Animal Breeding Programs. Pozna?, 28 sierpnia 1998, Abstracts: 85-86
,
,
Lechniak D., Long S. E., Nissen A., Bailey M.
, (1997), The relationships between the sex and size of Day-11 pig embryos. 10th North America Colloquium on Gene Mapping and Cytogenetics of Domestic Animals, Apalachicola, Florida, USA, July, 14-18, Abstracts: 17
,
,
Lechniak D., Machnik G., Sosnowski J., ?wito?ski M.
, (1997), Wst?pne badania nad zwi?zkiem polimorfizmu genu hormonu wzrostu (GH) z jako?ci? nasienia buhajów. V Kolokwium Cytogenetyczne, Badania genomu zwierz?t w oparciu o metody cytogenetyczne i molekularne. Balice, Kraków, 4-5 listopada 1997, Streszczenia: 54-
,
,
Sosnowski J., Lechniak D., Waroczyk M., ?wito?ski M.
, (1997), Analiza cytogenetyczna oocytów ?wi?skich dojrzewaj?cych w warunkach in vitro. V Kolokwium Cytogenetyczne, Badania genomu zwierz?t w oparciu o metody cytogenetyczne i molekularne. Balice, Kraków, 4-5 listopada 1997, Streszczenia: 67-68
,
,
Sosnowski J, Cie?lak D, Lechniak D.
, (1996), Influence of capacitation factors on the spontaneous parthenogenetic activation of bovine oocytes matured and cultured in vitro. Symposium of the First Central European Conference on Animal Reproduction, Kuhlungsborn, Germany, September 22-23, 1966,
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, Archiv fur Tierzucht 39: 88
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