| Autor: |
A. I. KOZINETS, N. V. PILYUK, T. G. KOZINETS, O. G. GOLUSHKO, M. A. NADARINSKAYA, M. S. GRIN, S. A. GONAKOVA |
| Rok vydání: |
2022 |
| Zdroj: |
Zootechnical science of Belarus. 57:219-227 |
| ISSN: |
0134-9732 |
| Popis: |
To achieve a high level of productivity during early lactation, a significant concentration of metabolizable energy in the dry matter of the diet (up to 11-12 MJ) as well as crude fat (including protected) in the dry matter (5-6%) must be ensured. This can be achieved by additionally introducing vegetable oils and fats into the diet of animals. The contains the results of studying the effectiveness of the use of energyfat concentrates in cows’ diets. It was found that their use as a supplement to dairy cows instead of soybean meal made it possible to reduce the share of feed in the milk sale price structure. The profit from additionally obtained milk when using energy-fat concentrates amounted to 75.9 rubles, 106.3 and 60.7 rubles. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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