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Determination on the content of Cu,Zn,Fe,Mn of Karakul pregnant sheep

Li Jixing,Tao Dayong  
To identify the influence of trace element on pregnant sheep nutrition state,elements Cu,Zn,Fe,Mn were assayed by atomic absorption.Jugular blood and buttock wool samples were collected from 6 Karakul pregnant sheep and 6 non-pregnant sheep in the morning,whose weight,age,and parity were nearly same.The results showed that the differences of trace elements Fe,Cu in serum and whole blood between pregnant sheep and non-pregnant sheep were statistically significant(P0.05),while the differences of elements Cu,Mn were statistically significant(P0.05).
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