Abstract
The purpose. To determine ethological methods for growing bulls and stimulating their sexual function. Methods. Method of groups-analogues under equal conditions of growing, feeding and use of producers; ethological methods of study of behaviour of animals in herd and mini-herd; zoo-technical and statistical. Results. It is proved that sexual function and quality of bulls’ sperm can be raised due to mechanopressure and electrostimulation of their erogenous zones. Conclusions. Limitation of intersexual selection at bulls is possible at lowering stressful situation. Sexual dynamical stereotype develops at gobies on the basis of imprinting after the first delivery of sperm in artificial vagina. The designed methods and devices for electrostimulation by sinusoidal modulated currents and mechanopressure of erogenous acupuncture zones can restore libido and erection at bulls.
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