- Polish Journal of Veterinary Sciences; Selected qualitative and biochemical parameters of cryopreserved semen of Holstein-Friesian (HF) bulls. D.M. Hering, M. Lecewicz, S. Kamiński, A. Majewska, W. Kordan. 2015. Vol. 18, No. 1, 237-239.
- Polish Journal of Veterinary Sciences; Semen characteristics and selected biochemical markers of canine seminal plasma in various seasons of the year. R. Strzeżek, K. Szemplińska, K. Filipowicz, W. Kordan. 2015. Vol. 18, No.1, 13-18.
- Theriogenology; Individual and seasonal variations in the quality of fractionated boar ejaculates. L. Zasiadczyk, L. Fraser, W. Kordan, K. Wasilewska. 2015. No 83, 1287-1303.
- Reproduction in Domestic Animals; Prostasomes of canine seminal plasma – zinc-binding ability and effects on motility characteristics and plasma membrane integrity of spermatozoa. Mogielnicka-Brzozowska M., Strzeżek R., Wasilewska K., Kordan W. 2015. 50, 484-491,
- Small Ruminant Research; Activity of antioxidant enzymes and their mRNA expression in different reproductive tract tissues of the male roe deer (Caproleus capreolus) during the pre-rut and rut seasons. M. Koziorowska-Gilun, L. Fraser, P. Gilun, M. Koziorowski, W. Kordan. 2015. 129, 97-103.
- Medycyna Weterynaryjna; Mechanizmy obrony antyoksydacyjnej i oddziaływanie reaktywnych form tlenu na plemniki samców zwierząt domowych. M. Gotowiecka, W. Niżański, A. Partyka, R. Strzeżek, M. Koziorowska-Gilun. 2015. 71 (7),418-422.
- Medycyna Weterynaryjna; Ocena wpływu stresu oksydacyjnego na nasienie zwierząt. Gotowiecka M., Niżański W., Partyka A., Strzeżek R., Koziorowska-Gilun M.; 2015; 71(12) 743-747.
- Polish Journal of Veterinary Sciences; Effect of dialysis of dog semen on sperm characteristics and some biochemical components of seminal plasma. R. Strzezek, M. Koziorowska-Gilun, K. Kiełczewski, W. Kordan. 2015 18 (2) 447-448.
- Polish Journal of Veterinary Sciences; The effect of two packaging systems on the post-thaw characteristics of canine sperm. R. Strzeżek, P. Polakiewicz, W. Kordan. 2015 (2) 249-254.
- Animal Reproduction Science; Missense mutation in glutathione-S-transferase M1 gene is associated with sperm motility and ATP content in frozen-thawed semen of Holstein-Fresian bulls. D.M. Hering, M. Lecewicz, W. Kordan, A. Majewska, S. Kaminski.2015, 159, 94-97.
- Bulletin of the Veterinary Institute in Pulawy; Boar sperm quality in relation to presence of sp32-like protein in spermatozoa – preliminary studies. A. Orzołek, P. Wysocki, J. Strzeżek, M. Koziorowska-Gilun, A. Dziekońska, W. Kordan. 2015. 59, 279-286.
- Reproduction in Domestic Animals. Proteomic characterization of zinc-binding proteins of canine seminal plasma. M. Mogielnicka-Brzozowska, N. Kowalska, L. Fraser, W. Kordan. 2015, 50, 1017-1021.
- Polish Journal of Veterinary Sciences; Effects of storage in different semen extenders on the pre-freezing and post-thawing quality of boar spermatozoa. A. Dziekońska, Ł. Zasiadczyk, M. Lecewicz, R. Strzeżek, M. Koziorowska-Gilun, L. Fraser, M. Mogielnicka-Brzozowska, W. Kordan. 2015. 18 (4), 733-740.
- Reproduction in Domestic Animals; Effects of exposure of boar spermatozoa at 10oC prior to cryopreservation on semen quality. Fraser L., Wasilewska K., Zasiadczyk L., Kordan W. 2015. 19th ESDAR Conference Warna, 50 (Suppl. 3), 52.
- Reproduction in Domestic Animals; Effect of storage in different semen extenders on pot-thaw boar semen quality. Dziekońska A., Fraser l., Lecewicz M., Zasiadczyk Ł., Strzeżek R., Kordan W., Daskalova D., Kicheva-Ivanova M. 2015. 19th ESDAR Conference, Warna, 50 (Suppl. 3), 51-52.
- Reproduction in Domestic Animals; Age-dependent variations in metabolic characteristics of stallion spermatozoa in liquid stored. Mogielnicka-Brzozowska M., Dziekońska A., Fraser L., Szczepańska A., Lecewicz M., Mietelska K., Kordan W., Daskalova D., Kicheva-Ivanova M. 2015. 19th ESDAR Conference, Warna, 50 (Suppl. 3), 67.
