The evaluation of the indicators of spermoproduction of bulls-producers with different level of bioelectric potential of biologically active centers and in different seasons of a year

The process of spermatogenesis of bulls- producers closely connected with functional condi- tion of an animal organism influences spermoproduction, which quantity and quality can be estimated by the level of bioelectric potential of surface localized biologically active centers (LBP SLBAC). The purpose of the research was to study the level of bioelectric potential of SLBAC in the bulls- producers of black-and-white and Holstein breeds with different sperm production and in dif- ferent seasons of a year. The studies were con- ducted on the basis of OJSC ‘Orlovskoye' on breeding work of Oryol Region. The object of the study was sperm production of the bulls of black-and-white and Holstein breeds. A topographical search for SLBAC was performed by the method ofGuskov, A.V. Mamaev (1996), using ELAP- type device. The measurement of bioelectric poten- tial of SLBAC No. 5, No. 7, No. 11, No. 41, No. 44 was carried out in the morning hours, two hours after feeding, its average level was determined...