title: Genetic and environmental effects on age at first estrus and on wool and lamb production of crossbred ewe lambs.
mesh_terms: D000367:Age Factors; D000818:Animals; D001835:Body Weight; D003433:Crosses, Genetic; D004777:Environment; D004971:Estrus; D005260:Female; D005298:Fertility; D008297:Male; D011247:Pregnancy; D012756:Sheep / Q000502:physiology*; D014935:Wool / Q000254:growth & development*