Author: Atanaska Zgurova, Vasil Nikolov
2021
9. Change in the type of body construction of the Bulgarian Gray Cattle reared in the herd of the scientific centre of agriculture – Sredets
Author: Nikola Chatalbashev, Yanko Gorinov
10. Study of protocols for synchronization of estrus in beef cattle
Author: Radka Malinova, Svetoslav Karamfilov, Vasil Nikolov
11. Population and breeding status of the Bulgarian dairy synthetic population, controlled by the breeding association of the Bulgarian dairy sheep breeds
Author: Zornitsa Petkova, Vasil Nikolov, Plamen Gospodinov
12. Studi on the environment in housing for dairy cattle
Author: Smilyana Tasheva, Rumyana Ivanova