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In order to understand the effects of origanum oil on Newcastle Disease(ND) antibody valence and serum biochemical indexes in layers,80 Lommann brown layers of 32 weeks old were divided randomly into control groups and treament group fed on basal diets supplement with 0 mg/kg and 100 mg/kg 10 % Origanum oil premix feed for thirty days respectively.In the 0 day and 30 day,the layers ND antibody valence value and serum biochemical indexes was measured.The result showed that:Compared with the control group,serum ND antibody valence,serum glucose(Glu),total protein(TP), albumin(ALB), calcium(Ca) content decreased in treatment gorup(P 0.05).However,serum inorganic phosphorus(P), potassium(K) and sodium(Na) ion didn't change significantly(P 0.05).
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