Effect of active immunization against testosterone on plasma gonadotrophin concentrations, spermatogenic function, testicular blood flow, epididymis mass and mating behaviour in adult rams

accouplement androgens behaviour blood blood circulation circulation sanguine comportamiento comportamiento sexual comportement comportement sexuel copulation flow rate gasto gonadotrophine gonadotropinas gonadotropins immunisation immunization morueco ovin ovinos peso poids rams sang sangre sexual behaviour sheep spermatogenese spermatogenesis testes testicule testosteronas testosterone weight