Effects of diets supplemented with zinc and manganese on performance and related parameters in layers

作     者：X.J.Yang,L.L.Zhong~1,X.F.An~1,N.Zhang~1,L.M.Zhang~1, J.C.Han~1,J.H.Yao~(1,2),Y.J.Sun~(1,2) Y.R.Liu~2 (1 College of Animal Science and Technology,Northwest A&F University,712100,Yangling,Shaanxi,P.R.China 2 Shenzhen Kondarl(Gaoling) Feed Co.Ltd.,710200,Xi’an,Shaanxi,P.R.China) 

会议名称：《低碳经济与高效养殖——第六次全国饲料营养学术研讨会暨动物营养学分会成立三十周年大会》

会议日期：2010年

学科分类：090502[农学-动物营养与饲料科学] 0905[农学-畜牧学] 09[农学] 

关 键 词：zinc manganese egg production mineral excretion layers 

摘      要：Iron was often found to be of excessive concentrations in laying hen diets,which may cause a great antagonistic interaction with other *** study was conducted to investigate how to supplement Zn and Mn in the diets without Fe *** experiment one,420 1 8-week Lohmann Brown layers were fed aIron was often found to be of excessive concentrations in laying hen diets,which may cause a great antagonistic interaction with other *** study was conducted to investigate how to supplement Zn and Mn in the diets without Fe *** experiment one,420 1 8-week Lohmann Brown layers were fed a