title: Heritability of testicular size and consistency in Holstein bulls.
mesh_terms: D000818:Animals; D002417:Cattle / Q000033:anatomy & histology* / Q000502:physiology; D005298:Fertility; D014644:Genetic Variation; D008297:Male; D012641:Selection, Genetic; D013737:Testis / Q000033:anatomy & histology*