(1) Effects of vitamin A supplementation on reproduction of ewes grazed on green and dry summer ranges

An edition of (1) Effects of vitamin A supplementation on reproduction of ewes grazed on green and dry summer ranges (1949)

(1) Effects of vitamin A supplementation on reproduction of ewes grazed on green and dry summer ranges.

(2) The effects of vitamin B₁₂ on the growing pig.

By Robert William Colby

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Publish Date

1949

Publisher

Language

eng

Pages

Description:

subjects: Feeding and feeds, Animal nutrition, Ewes, Vitamins, Swine