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Effects of the Seleno-Chitosan on Daily Gain, Wool Yield, and Blood Parameter in the Chinese Merino Sheep

文献类型： 外文期刊

作者： Zhang, Qionglian 1 ; Han, Yong 2 ; Yang, Yang 2 ; Zhou, Ping 3 ; Shen, Xiaoyun 1 ;

作者机构： 1.Southwest Univ Sci & Technol, Sch Life Sci & Engn, Mianyang 621010, Sichuan, Peoples R China

2.Guizhou Acad Agr Sci, Anim Husb & Vet Res Inst, Guiyang 550025, Peoples R China

3.Xinjiang Acad Agr & Reclamat Sci, State Key Lab Sheep Genet Improvement & Hlth Prod, Shihezi, Xinjiang, Peoples R China

4.World Bank Poverty Alleviat Project Off Guizhou, Guiyang, Guizhou, Peoples R China

关键词： The growth rate; The wool yield; Chinese merino sheep; Se-deprived environment; Southern Xinjiang of China; Seleno-chitosan

期刊名称：BIOLOGICAL TRACE ELEMENT RESEARCH （ 影响因子：4.081； 五年影响因子：3.755 ）

ISSN： 0163-4984

年卷期：

页码：

收录情况： SCI

摘要： To study the effects of the seleno-chitosan on daily gain, wool yield, and blood parameters in the Chinese merino sheep in the selenium (Se)-deficient pastures. The samples of soils, forages, and tissues had been collected in the Southern Xinjiang of Northwest China. Our findings indicated that the Se contents in soils and forages from affected pastures were remarkably lower than those unaffected by the pastures (P < 0.01). The Se contents in the blood and the wool from affected Chinese merino sheep were extremely lower than those from healthy sheep. Meanwhile, the values of Hb, PCV, and PLT in affected sheep were significantly decreased (P < 0.01). The yield of wool and the growth rate in affected sheep were also remarkably reduced (P < 0.01). The affected Chinese merino sheep were orally treated by seleno-chitosan for 150 days; the Se contents in blood were remarkably increased and reached the healthy range on day 5. The blood parameters soon recovered to a healthy range on day 10. The growth rate of sheep in the treated group was remarkably higher than that in the control animals. The yield of the wool was also significantly increased in the treated group. Consequently, the Se-deprived environment caused a threat to daily gain, wool yield, and blood parameters in the Chinese merino sheep. The seleno-chitosan could not only markedly increase the Se contents blood contents, but also significantly increase the production performance (daily gain and wool yield), and release the symptoms of anemia in the Se-deprived animal.

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