title: Effect of vitamin A supplementation on reproduction of ewes grazed on green and dry summer ranges.
authors.forename: R W
authors.initials: RW
authors.lastname: COLBY
authors.forename: T J
authors.initials: TJ
authors.lastname: CUNHA
authors.forename: E J
authors.initials: EJ
authors.lastname: WARWICK
mesh_terms: D000818:Animals; D019587:Dietary Supplements; D005260:Female; D012098:Reproduction; D012621:Seasons; D012756:Sheep; D034561:Sheep, Domestic; D014801:Vitamin A
chemical_list: D014801:Vitamin A
keywords: SHEEP