All Stories

  1. Comparisons of the hypo-osmotic swelling and water tests to assess functional membrane integrity (FMI) of dog sperm from the sperm-rich fractions (SRFs) and whole ejaculates (WEs)

    Article • Polish Journal of Veterinary Sciences, March 2026, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  2. Potential Proteins Associated with Canine Epididymal Sperm Motility

    Article • Cells, January 2026, MDPI AG

    Professor Leyland Fraser

  3. ALB, GPX5 and PTGDS as potential biomarkers for the aging processes of the dog epididymis

    Article • Reproduction Fertility and Development, December 2025, CSIRO Publishing

    Professor Leyland Fraser

  4. The antioxidant status of boar spermatozoa following storage in various commercial long-term extenders

    Article • ANIMAL SCIENCE AND GENETICS, March 2025, Index Copernicus

    Professor Leyland Fraser

  5. Antioxidant status of chromatographic fractions of boar seminal plasma (SP) and mitochondrial functions of SP-treated spermatozoa following cryopreservation

    Article • Polish Journal of Veterinary Sciences, March 2025, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  6. Boar-to-Boar Variations in Quality Characteristics of Sperm from Different Ejaculates Following Freezing–Thawing

    Article • Cells, February 2025, MDPI AG

    Professor Leyland Fraser

  7. Post-thaw quality of boar spermatozoa is affected by ejaculate fractions and extenders

    Article • Polish Journal of Veterinary Sciences, March 2024, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  8. Applicability of 2,4-dinitrophenylhydrazine (DNPH) method of protein oxidative damage measurement in the seminal plasma of canine ( Canis lupus familiaris) and stallion ( Equus caballus)

    Article • Polish Journal of Veterinary Sciences, March 2023, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  9. Promoter polymorphisms in STK35 and IFT27 genes and their associations with boar sperm freezability

    Article • Theriogenology, September 2022, Elsevier

    Professor Leyland Fraser

  10. Expression of TXNRD1, HSPA4L and ATP1B1 Genes Associated with the Freezability of Boar Sperm

    Article • International Journal of Molecular Sciences, August 2022, MDPI AG

    Professor Leyland Fraser

  11. Zinc-binding proteins in stallion seminal plasma as potential sperm function regulators

    Article • July 2022, De Gruyter

    Professor Leyland Fraser

  12. The Usefulness of Sexual Behaviour Assessment at the Beginning of Service to Predict the Suitability of Boars for Artificial Insemination

    Article • Animals, November 2021, MDPI AG

    Professor Leyland Fraser, Professor Stanislaw Kondracki

  13. Fractionated Seminal Plasma of Boar Ejaculates Analyzed by LC–MS/MS: Its Effects on Post-Thaw Semen Quality

    Article • Genes, October 2021, MDPI AG

    Professor Leyland Fraser

  14. Molecular Characterisation of Uterine Endometrial Proteins during Early Stages of Pregnancy in Pigs by MALDI TOF/TOF

    Article • International Journal of Molecular Sciences, June 2021, MDPI AG

    Professor Leyland Fraser, Ph.D. Adam Lepczyński

  15. Gene promoter polymorphisms in boar spermatozoa differing in freezability

    Article • Theriogenology, May 2021, Elsevier

    Professor Leyland Fraser, Professor Stanislaw Kondracki

  16. Effects of breed and ejaculate volume on sperm morphology and semen parameters of boars

    Article • Animal Science Journal, January 2021, Wiley

    Professor Leyland Fraser

  17. Regulatory potential of long non-coding RNAs (lncRNAs) in boar spermatozoa

    Article • Life, November 2020, MDPI AG

    Professor Leyland Fraser

  18. Identification of Differentially Expressed Gene Transcripts in Porcine Endometrium during Early Stages of Pregnancy

    Article • Life, May 2020, MDPI AG

    Professor Leyland Fraser

  19. Gene polymorphisms in boar spermatozoa

    Article • International Journal of Molecular Sciences, March 2020, MDPI AG

    Professor Leyland Fraser

  20. Proteome of cat semen obtained after urethral catheterization

    Article • Theriogenology, January 2020, Elsevier

    Professor Leyland Fraser

  21. RNA-Seq analysis of boar spermatozoa

    Article • Theriogenology, January 2020, Elsevier

    Professor Leyland Fraser

  22. Effect of post-thaw supplementation of fractionated seminal plasma on survival of boar spermatozoa

    Article • Polish Journal of Veterinary Sciences, August 2019, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  23. Effect of fractionated seminal plasma on boar sperm characteristics

    Article • July 2019, De Gruyter

    Professor Leyland Fraser

  24. Interactions of ostrich egg yolk lipoproteins with seminal plasma of fractionated ejaculates and their effects on post-thaw boar semen quality

    Article • Polish Journal of Veterinary Sciences, May 2019, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  25. Seasonal effect on sperm motility characteristics and plasma membrane integrity

    Article • Bioscientifica Proceedings, April 2019, Bioscientifica

    Professor Leyland Fraser

  26. Identification of proteoforms of albumin and kallikrein in stallion seminal plasma and their correlations with sperm motility

    Article • Polish Journal of Veterinary Sciences, February 2019, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  27. Total RNA quality in boar spermatozoa with different freezability

    Article • Polish Journal of Veterinary Sciences, February 2019, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  28. Freezability and fertility of frozen-thawed boar semen supplemented with ostrich egg yolk lipoproteins

    Article • Polish Journal of Veterinary Sciences, February 2018, Polish Academy of Sciences Chancellery

    Professor Leyland Fraser

  29. Effects of boar variability on comet-detected sperm-DNA damage following cryopreservation

    Article • Animal Production Science, January 2018, CSIRO Publishing

    Professor Leyland Fraser

  30. Boar sperm cryo-tolerance after cooling of semen in different long-term extenders

    Article • Animal Reproduction Science, October 2017, Elsevier

    Professor Leyland Fraser

  31. Markers for sperm freezability

    Article • September 2017, IntechOpen

    Professor Leyland Fraser

  32. Ageing-Dependent Effects on Sperm Functions

    Article • Veterinary Medicine - Open Journal, May 2017, Openventio Publishers

    Professor Leyland Fraser

  33. Sperm DNA damage in relation to lipid peroxidation

    Article • South African Journal of Animal Science, May 2017, African Journals Online (AJOL)

    Professor Leyland Fraser

  34. Single nucleotide polymorphism discovery in bovine liver

    Article • PLOS One, February 2017, PLOS

    Professor Leyland Fraser

  35. Isolation of total ribonucleic acid from fresh and frozen-thawed boar semen and its relevance in transcriptome studies

    Article • South African Journal of Animal Science, February 2017, African Journals Online (AJOL)

    Professor Leyland Fraser

  36. Identification and characterization of canine seminal plasma proteins

    Article • January 2017, De Gruyter

    Marzena Mogielnicka, Professor Leyland Fraser

  37. Metabolic activity of boar semen

    Article • Journal of Veterinary Research, January 2017, De Gruyter

    Professor Leyland Fraser

  38. Assessment of Semen Freezability

    Article • Veterinary Medicine - Open Journal, November 2016, Openventio Publishers

    Professor Leyland Fraser

  39. Application of RNA-Seq technology in bovine pituitary gland sequencing

    Article • PLOS One, September 2016, PLOS

    Professor Leyland Fraser

  40. Effects of long-term extenders on sperm quality characteristics

    Article • Reproduction in Domestic Animals, August 2016, Wiley

    Professor Leyland Fraser

  41. Biochemical composition of boar semen

    Article • Theriogenology, August 2016, Elsevier

    Professor Leyland Fraser

  42. Zinc-binding proteins of canine seminal plasma

    Article • Reproduction in Domestic Animals, October 2015, Wiley

    Professor Leyland Fraser

  43. Quality of fractionated boar ejaculates

    Article • Theriogenology, May 2015, Elsevier

    Professor Leyland Fraser

  44. Effects of storage in different semen extenders on the boar semen quality

    Article • January 2015, De Gruyter

    Professor Leyland Fraser

  45. Post-thaw sperm characteristics of boar semen

    Article • Animal Reproduction Science, June 2014, Elsevier

    Professor Leyland Fraser

  46. Metabolic status of spermatozoa and antioxidant enzyme activity

    Article • January 2014, De Gruyter Open Sp. z o.o.

    Professor Leyland Fraser

  47. Different concentrations of Orvus Es Paste (OEP) improve post-thaw boar semen quality.

    Article • January 2014, De Gruyter Open Sp. z o.o.

    Professor Leyland Fraser

  48. The antigenic character of zinc-binding proteins and their localization in boar reproductive tract--a preliminary study.

    Article • Acta Biochimica Polonica, June 2013, Polskie Towarzystwo Biochemiczne (Polish Biochemical Society)

    Professor Leyland Fraser

  49. Age-related changes and seasonal variations in post-thaw quality of boar semen

    Article • Reproductive Biology, February 2013, Elsevier

    Professor Leyland Fraser

  50. Effect of zinc-binding proteins on motility and acrosome integrity of canine spermatozoa.

    Article • Reproductive Biology, February 2013, Elsevier

    Professor Leyland Fraser

  51. Effect of fractionated seminal plasma on post-thaw boar semen quality

    Article • Reproductive Biology, January 2013, Elsevier

    Professor Leyland Fraser

  52. Seasonal variations in spem quality and antioxidant levels in the wild boar/domestic pig hybrids

    Article • Reproductive Biology, January 2013, Elsevier

    Professor Leyland Fraser

  53. Effect of long-term extenders on boar semen quality following liquid storage

    Article • Polish Journal of Veterinary Sciences, January 2013, De Gruyter Open Sp. z o.o.

    Professor Leyland Fraser

  54. Semen quality assessments.

    Article • Polish Journal of Veterinary Sciences, January 2013, De Gruyter Open Sp. z o.o.

    Professor Leyland Fraser

  55. Antioxidant Enzyme Activity and mRNA Expression in Reproductive Tract of Adult Male European Bison (Bison bonasus, Linnaeus 1758)

    Article • Reproduction in Domestic Animals, March 2012, Wiley

    Professor Leyland Fraser

  56. Isolation and characterization of zinc-binding proteins

    Article • Polish Journal of Veterinary Sciences, January 2012, De Gruyter

    Professor Leyland Fraser

  57. Cryo-induced sperm DNA damage.

    Article • Reproduction in Domestic Animals, June 2011, Wiley

    Professor Leyland Fraser

  58. Seasonal changes in antioxidant defence systems in boar reproductive tract.

    Article • Reproductive Biology, March 2011, Elsevier

    Professor Leyland Fraser

  59. Antioxidant defence system of boar reproductive tract system

    Article • Reproduction in Domestic Animals, September 2010, Wiley

    Professor Leyland Fraser

  60. Egg yolk lipoprotein fraction interactions with boar spermatozoa

    Article • Folia Histochemica et Cytobiologica, August 2010, VM Media SP. zo.o VM Group SK

    Professor Leyland Fraser

  61. Effect of platelet activating factor (PAF) supplementation in semen extender on viability and ATP content of cryopreserved canine spermatozoa

    Article • Polish Journal of Veterinary Sciences, January 2010, De Gruyter Open Sp. z o.o.

    Professor Leyland Fraser

  62. Post-thaw DNA integrity of boar spermatozoa

    Article • Reproduction in Domestic Animals, October 2009, Wiley

    Professor Leyland Fraser

  63. Sperm quality in canine semen

    Article • Reproductive Biology, July 2009, Elsevier

    Professor Leyland Fraser

  64. Superoxide Dismutase of Boar Seminal Plasma.

    Article • Reproduction in Domestic Animals, August 2008, Wiley

    Professor Leyland Fraser

  65. Post-thaw chromatin and DNA integrity of boar spermatozoa

    Article • Theriogenology, July 2007, Elsevier

    Professor Leyland Fraser

  66. Post-thaw DNA integrity of boar spermatozoa

    Article • Animal Reproduction Science, June 2007, Elsevier

    Professor Leyland Fraser

  67. Effects of dialysis on post-thaw boar semen quality.

    Article • Theriogenology, March 2007, Elsevier

    Professor Leyland Fraser

  68. Comet-detected DNA fragmentation in frozen-thawed boar spermatozoa

    Article • Reproduction in Domestic Animals, December 2005, Wiley

    Professor Leyland Fraser

  69. Age-related changes and seasonal variations in boar sperm metabolism during liquid storage at 5° and 16°C

    Article • Journal of Animal and Feed Sciences, October 2003, The Kielanowski Institute of Animal Physiology and Nutrition, PAS

    Professor Leyland Fraser

  70. Effect of extender composition and storage temperatures on motility of preserved boar semen

    Article • Journal of Animal and Feed Sciences, October 2002, The Kielanowski Institute of Animal Physiology and Nutrition, PAS

    Professor Leyland Fraser

  71. Motility and Membrane Integrity of Boar Spermatozoa in Media Varying in Osmolality

    Article • Reproduction in Domestic Animals, December 2001, Wiley

    Professor Leyland Fraser

  72. Biochemical composition of boar semen

    Article • Theriogenology, October 2000, Elsevier

    Professor Leyland Fraser

  73. Computer-controlled freezing of rainbow trout Oncorhynchus mykiss (Walbaum) spermatozoa for routine programmes

    Article • Aquaculture Research, September 1999, Wiley

    Professor Leyland Fraser

  74. Sperm Motility Inhibiting Factor (SMIF) - A Plasmatic Peptide with Multifunctional Biochemical Effects on Boar Spermatozoa

    Article • Reproduction in Domestic Animals, August 1998, Wiley

    Professor Leyland Fraser

  75. Biochemical Properties and Usefulness of Boar Semen for Liquid Preservation.

    Article • Journal of Veterinary Medicine Series A, February 1998, Wiley

    Professor Leyland Fraser