Field trial demonstrating the beneficial effect of dietary Bacillus subtilis C-3102 spores (Calsporin®) on brown shell color scores of eggs from hens on litter in three U. S. commercial flocks producing eggs for the free-range egg market versus pretrial color fan scores
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作者:
Hooge, D. M.
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Hooge Consulting Serv Inc, Eagle Mt, UT USAHooge Consulting Serv Inc, Eagle Mt, UT USA
Hooge, D. M.
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Otomo, N.
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Calpis Co Ltd, Tokyo, JapanHooge Consulting Serv Inc, Eagle Mt, UT USA
Otomo, N.
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Johnson, S. C.
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Qual Technol Int Inc, Elgin, IL USAHooge Consulting Serv Inc, Eagle Mt, UT USA