Konu "niacin" için Veteriner Fakültesi listeleme
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The effects of supplemental niacin in laying hen diet on performance and egg quality characteristics
(Ecole Nationale Veterinaire Toulouse, 2003)This study was carried out to determine the effects of dietary niacin (0, 250, 500, 1000 and 1500 mg/kg ration) on layer performance. A total of 120 commercial hens (28 weeks of age) were divided in five groups, each ...