Testicular and epididymal sperm reserves in the ass (Equus asinus) and stallion (Equus caballus).
D000367:Age Factors; D000818:Animals; D002452:Cell Count; D004822:Epididymis / Q000033:anatomy & histology*; D006736:Horses / Q000033:anatomy & histology*; D008297:Male; D010527:Perissodactyla / Q000033:anatomy & histology*; D013094:Spermatozoa; D013737:Testis / Q000033:anatomy & histology*