ЭлБиб

Молочнохозяйственный вестник, №2 (18), II кв. 2015

БИОЛОГИЧЕСКИЕ И СЕЛЬСКОХОЗЯЙСТВЕННЫЕ НАУКИ

Efficiency of Breeding Work with Russian Cattle Breeds

Using Straight Breeding and Crossbreeding

Kudrin Alexander Grigorievich, Doc. of Science (Biology), professor, head of the

Chair of Zootechnics and Biology

e-mail:

FSBEI HPE the Vereshchagin Vologda State Dairy Farming Academy

Khabarova Galina Vasilyevna, Candidate of Science (Agriculture), associate

professor

e-mail:

FSBEI HPE the Vereshchagin Vologda State Dairy Farming Academy

Smirnova Yulia Mikhailovna, lecturer

e-mail

FSBEI HPE the Vereshchagin Vologda State Dairy Farming Academy

Golovkina Olga Olegovna, lecturer

e-mail: zjjm@

FSBEI HPE the Vereshchagin Vologda State Dairy Farming Academy

Abstract.

The farm tests, conducted on the Russian cattle breeds of the Vologda

Region, have shown that mixed bred animals, raised as a result of crossbreeding the

black-and-white, the Kholmogory and the Yaroslavl breeds with the Holstein servicing

bulls, excel their single bred herdmates in the milk yield and the amount of milk fat.

They mature earlier, at the same time they have lower reproductive traits.

Keywords:

cattle breeds, cows, crossbreeding, economical-biological traits.

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