The influence of the factor genetic value of the sire on the implementation of the genetic potential of the indicator milk production of maximum lactation of the Yaroslavl breed cows
2015
Kosyachenko, N. M. (Yaroslavl State Agricultural Academy, Yaroslavl (Russian Federation)) | Konovalov, A. V. (Yaroslavl Scientific Research Institute of Livestock and Fodder Production, Yaroslavl (Russian Federation)) | Nikolaeva, E. A. (Yaroslavl State Agricultural Academy, Yaroslavl (Russian Federation)) | Malyukova, M. A. (Yaroslavl State Agricultural Academy, Yaroslavl (Russian Federation)) | Petrović, M. P. (Institute for Animal Husbandry, Belgrade-Zemun (Serbia)) | Petrović, M.M. (Institute for Animal Husbandry, Belgrade-Zemun (Serbia)) | Pantelić, V. (Institute for Animal Husbandry, Belgrade-Zemun (Serbia))
Dairy products are the main food elements of the man. Milk is the sole food for infants and it plays an important role in feeding of the sick, convalescent, and healthy adults. The Yaroslavl Region is a leading region of the Yaroslavl cattle breed. Therefore, the aim of our research was to determine the strength and reliability of the influence of the factor «genetic value of the sire» on productive characteristics of animals as a factor that helps to increase the productivity of animals. When we determine the strength of the influence of factors for statistical data we used the procedure of generalized linear models (General Linear Models - GLM), and evaluation components of phenotypic variation attributes were analyzed by multivariate dispersive analysis. Our research has allowed to allocate bulls with genetic value which has the improving effect. Using the recommended lines the farmers of the Yaroslavl region may increase productive characteristics of animals and the profit of the farms and improve the efficiency of breeding.
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