Effects of the number of live spermatozoa and seasons inseminated on conception rate in frozen bull semen

anatomia anatomia animal anatomie anatomie animale anatomy animal animal anatomy animal domestique animal pour cuirs et peaux animales animales de carne animals artiodactyla artiodactyle body parts bovidae bovide bovin bovine bovines bulls cattle domestic animals fertilidad fertilite fertility fisiologia fonction physiologique freezing ganado ganado bovino livestock male genital system mammals meat animals partes del cuerpo partie du corps physiological functions physiologie physiology procesamiento processing reproduction rumiante ruminant ruminants semen sistema genital masculino sistema urogenital sperme taureau toro traitement urogenital system vertebrados vertebrates vertebre