Retrospective: duration and efficiency of dairy cows productive lifespan depending on age at first calving and first lactation milk productivity
The retrospective analysis involved 562 Holstein cows, 545 Ukrainian Black-and-White dairy cows and 100 Ukrainian Red-and-White dairy cows in Breeding Station Terezyne, Kyiv region. The influence of age at first calving and first lactation milk yield on the duration and efficiency of the productive...
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| Principais autores: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
Estonian Academic Agricultural Society
2022-06-01
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| Series: | Agraarteadus |
| Assuntos: | |
| Acceso en liña: |
https://agrt.emu.ee/pdf/2022_1_siriak.pdf
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