Effect of season and year of measurement on testicular growth and consistency of Holstein bulls.
D000367:Age Factors; D000818:Animals; D002417:Cattle / Q000254:growth & development*; D008297:Male; D012611:Scrotum / Q000033:anatomy & histology; D012621:Seasons; D013737:Testis / Q000033:anatomy & histology / Q000254:growth & development*