Genealogical structure and economically useful traits of stallions of the Orlov trotter breed at the stud farms in Russia

In this paper the authors studied the current state of the genealogical structure and assessed the development of economically valuable traits of stallions in Orlov trotter breed of horses at the existing studs in Russia. Genealogical structure is considered with regards to the lines as the basic structural units of breed. The economically useful characters in stallions were studied through their manufacturers and performance measurements. In addition, the authors have given a general and quantitative assessment of age of the stallions from breeding nucleus of the Orlov trotter breed at the domestic stud farms.