Breed, heterosis and environmental influences on growth and puberty in ewe lambs.
D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D001947:Breeding; D004777:Environment; D004971:Estrus; D005260:Female; D006801:Humans; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D008423:Maternal Age; D011247:Pregnancy; D011627:Puberty; D012756:Sheep / Q000254:growth & development*; D014886:Weaning