PRODUCTIVITY OF FIRST CALVING COWS UKRAINIAN BLACK-AND-WHITE DAIRY BREED DEPENDING ON WEIGHT GROWTH OF HEIFERS
The productivity of cows with the first calving depending on live weight and average daily gains of heifers during rearing studied. The data of animals of Ukrainian Black-and- White dairy breed of Kyiv factory type used for the research. Every three months, from birth to 18 months of age, heifers we...
| المؤلفون الرئيسيون: | , |
|---|---|
| التنسيق: | مقال |
| اللغة: | English |
| منشور في: |
National University of Life and Environmental Sciences of Ukraine
2020-07-01
|
| سلاسل: | Тваринництво та технології харчових продуктів |
| الموضوعات: | |
| الوصول للمادة أونلاين: | https://animalscience.com.ua/en/journals/tom-11-3-2020/produktivnist-pyervistok-ukrayinskoyi-chorno-ryaboyi-molochnoyi-porodi-za-riznogo-vagovogo-rostu-tyelits |