Выделение и оценка коров-рекордисток и ведущих маточных семейств в стаде РУП «Учхоз БГСХА»
2010
Pavlova, T.V. | Moiseev, K.A., Belarus State Academy of Agriculture, Gorki (Belarus) | Kazarovets, N.V., Belarus State Agrarian Technical Univ., Minsk (Belarus)
In the Work-study Unit of the Belarus State Academy of Agriculture there were analyzed 40 highly productive breeding families. It is determined that in the majority of families' milk yield growth is traced from generation to generation. In the allocated families 61 high productive cows with a yield of milk for 305 days on full-growth lactations of 8500 kg and above were revealed. The level of realization of productive potential of high-productive cows has made 72-142% on milk yield and 90-111% on a fat weight fraction in milk. It is noticed that the higher the productive potential is, the lower the level of its realization. For further perfection of the herd it is recommended to reveal in the herd of family with high consolidation of selected signs and to make a purposeful selection of bulls to their representatives
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