Каталог "Статии"
| Списание
Influence of the age of first insemination and first calving in Holstein - Friesian heifers on farm economic efficiency
K. Stankov
Б 2465
Детайли
- Източник - периодично издание
- AGRICULTURAL science and technology
- Година на издаване
- 2020
- Пор.№
- 4
- Страници
- p. 379-383
- Том
- 12
- Ключови думи
- costs, expenses, investment, lactation, milk yield, performance
Допълнителна информация
- ISSN
- 1313-8820 - Print, 1
- Системен №
- 152737
- Website
- https://agriscitech.eu/influence-of-the-age-of-first-insemination-and-first-calving-in-holstein-friesian-heifers-on-farm-economic-efficiency/