Еffect of different breeds on the protein profile in ram seminal plasma by M. Ivanova, D. Gradinarska, S. Yotov, D. Abadjieva, Tz. Tzvetkov, V. Mladenova, E. Kistanova

Comparative evaluation of seminal plasma proteins in Holsteiner and East Bulgarian horse breeds in relation to functional parameters of spermatozoa by M. Ivanova, B. A. Georgiev, P. Taushanova, D. Gradinarska, Tz. Tzvetkov, Z. Shekerov