Effects of dilution rate, pellet volume, packed volume in aluminium-pack, straw volume and freezing methods on the survival of boar spermatozoa

animal animal domestique animal pour cuirs et peaux animales animales de carne animals artificial insemination artiodactyla artiodactyle boars breeding breeding methods cerdo domestic animals espermatozoo fisiologia fonction physiologique gametes gametos ganado livestock mammals meat animals methode methods physiological functions physiologie physiology porcin preservation procesamiento processing reproduction spermatozoa swine traitement verraco verrat vertebrados vertebrates vertebre