Effect of a partial replacement of limestone by a CaSO4-zeolite mixture combined with a slight protein reduction on production indices,egg quality,and excreta pH in laying hens |
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| Affiliation: | 2. Department of Health Sciences, East Tennessee State University, Johnson City 37614;3. Department of Animal Science, Michigan State University, East Lansing 48824;4. Department of Animal & Avian Sciences, University of Maryland, College Park 20742 |
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| Abstract: | |
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| Keywords: | calcium sulfate dietary protein egg quality laying hen zeolite |
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