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