надой

Assessment of the current state of the dairy cattle industry in the North-Western Federal District and the Vologda Region

Submitted by red on Sun, 12/06/2022 - 16:45

Dynamic changes in the dairy cattle industry in the North-Western Federal District and the Vologda Region require their monitoring and studying to determine promising development trends.

Characteristics of Superior Breeding Material on the Basis of the Promising Breeding Families Study

Submitted by red on Sat, 11/06/2022 - 20:44

Families represent the highest form of breeding work in dairy cattle breeding, which requires a deep study of breeding records of animals up to 10 generations or more, taking into account the genealogical affiliation. Therefore, the article has theoretical and practical significance in breeding programme. As a result of the long breeding work of specialists of OOO (LLC) “Zazerkal`e” of Gryazovets District in the Vologda Region, a highly productive herd of black-and-white breed has been created.

Influence of bulls on the reproduction indicators of daughters taking into account their productivity

Submitted by red on Wed, 28/10/2020 - 10:32

The main objective of the development of dairy cattle breeding is to increase

the breeding productive characteristics, taking into account the preservation of the

reproductive qualities of animals. The research was conducted on the basis of data

from the breeding plant for black-and-white cattle breeding OOO “Zazerkalie” in the

Vologda region. Bulls-improvers were determined by the complex of selected traits,

taking into account the linear affiliation: Meson 3097402441; Retirement 11720463 of

Dynamics of dairy cattle breeding development in the European North of the Russian Federation

Submitted by red on Mon, 27/04/2020 - 09:39

 The article presents the research results on the quantitative and

qualitative characteristics of dairy cattle populations and breeding farms in the European

North of the Russian Federation. Nowadays, taking into account the current political and

economic situation of the livestock sector management, the problem of preserving the

number of dairy cattle breeds and increasing cow’s milk productivity is quite pressing.

     In the European North of the Russian Federation, there has been found the

The results of crossbreeding black-and-white cattle and the Holstein breed in the Vologda region

Submitted by red on Wed, 27/12/2017 - 12:47

The article presents the results of crossbreeding black-and-white cattle breed and the Holstein one: population and level of milk production change in holsteinized cattle. It has been found that increasing consanguinity of Holstein breed affects milk yield raising. Moreover, the fat and protein content in milk of different cows genotypes varies slightly. It has been proven that the crossbreeding of black-and-white cattle with the Holstein breed is effective.

Desk02 theme