(Q67061841)
Statements
The effect of levels of protein and vitamin B12 in hen diets on egg production and hatchability of eggs and on livability and growth of chicks (English)
The Effect of Levels of Protein and Vitamin B12 in Hen Diets on Egg Production and Hatchability of Eggs and on Livability and Growth of Chicks (English)
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M. B. Patel
1 January 1977
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