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Acta Prataculturae Sinica ›› 2013, Vol. 22 ›› Issue (4): 346-350.DOI: 10.11686/cyxb20130441

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Effect of feeding level of Suaeda glauca hay on mineral elements in muscle and organ tissues of lambs

SUN Hai-xia1, FU Xiao-xiao2, WANG Min-ling1, ZHONG Rong-zhen1,
LIU Hua-wei1, ZHOU Dao-wei1   

  1. 1.Key Laboratory of Mollisols Agroecology, Northeast Institute of Geography and Agroecology, CAS, Harbin 150081, China;
    2.College of Wildlife Resources, Northeast Forestry University, Harbin 150040, China
  • Online:2013-08-20 Published:2013-08-20

Abstract: Suaeda glauca is a potential forage resource in north saline-alkaline grasslands where enrichment with some mineral elements increases the risk to livestock of excess of some minerals but deficiency of others. The effects of supplements with 0%, 25%, 50% of S. glauca hay in diets on mineral elements in muscle, heart, liver and kidney tissues of lambs was studied. Calcium content in muscle decreased significantly (P<0.05) with S. glauca hay while copper also decreased but iron increased, although the statistical differences were not significant. Iron and copper contents in liver showed a similar trend to that in muscle tissue. There was no significant difference in mineral element contents of heart and kidney tissues. Therefore, the short-term feeding of S. glauca hay has no obvious adverse effects on mineral element accumulation in various tissues of lamb, but for long-term feeding, the risk of iron overload and lack of calcium and copper should be considered.

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