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Sheep farming plays an important role in the production of meat. Romanov  breed is known for its high fertility and therefore is used all over the  world due to increased production of lambs and lamb meat. Meat products are  the main food elements of the man. Most of the inhabitants of industrialized  countries cannot imagine their menu without meat. Value of meat for human  health is known, it supplies protein to the body. The Yaroslavl Region is a  leading region of the Romanov sheep breed. Therefore, the aim of our  research was to determine the strength and reliability of the influence of  the factor «genetic value of the father» on productive characteristics of  animals as a factor that helps to increase the productivity of animals. Upon  determining the strength of the influence of factors for statistical data  have 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  allocating rams with genetic value that 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.

The influence of the factor "Genetic value of the father" on the productive qualities of the Romanov breed sheep