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pro vyhledávání: '"L. T. Mangan"'
Autor:
D. C. Mahan, L. T. Mangan
Publikováno v:
The Journal of Nutrition. 105:1291-1298
First-litter sows and their progeny were used to evaluate the interaction effects of three gestation crude protein levels (9, 13, or 17%) and two lactation protein levels (12 or 18%) on sow reproduction and litter performance. Diets were formulated t