ЭлБиб

Молочнохозяйственный вестник, №4 (12), IV кв. 2013

Биологические науки

Efficiency of lactation index use while working with the

highly productive herd

Vasilieva Nina Alexandrovna, associate professor of the of Animal Science and

Biology Chair

e-mail:

FSBEI HPE the Vereshchagin Vologda State Dairy Farming Academy

Abstract:

The use of the lactation index (by M. Peynovich) allowed to differentiate

highly productive dairy heifers to different types such as a record type, highly productive

dairy type and dairy type. The main features of milk productivity by types and economic

efficiency of their use have been studied. The most desirable type of productive dairy

cattle has been identified.

Keywords:

productive type; lactation index; assessment of animals; black - and

- white breed; the standard lactation milk yield; one - percentage milk.

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