Determination of methodical procedure and criteria of selection of young breeding boars for insemination

anatomia anatomia animal anatomie anatomie animale anatomy animal animal anatomy animal domestique animal health animal pour cuirs et peaux animales animales de carne animals artificial insemination artiodactyla artiodactyle behaviour boars body parts body regions breeding breeding methods calidad cerdo comportamiento comportamiento sexual comportement comportement sexuel domestic animals fisiologia fonction physiologique ganado limbs livestock male genital system mammals meat animals membre methode methods miembros partes del cuerpo partie du corps physiological functions physiologie physiology porcin quality regiones del cuerpo reproduction sanidad animal semen sexual behaviour sistema genital masculino sistema urogenital spermatogenese spermatogenesis sperme swine urogenital system verraco verrat vertebrados vertebrates vertebre