Studies on Wool-Eating Ailment in Guizhou Semi-Fine Wool Sheep

doi:10.1016/S1671-2927(11)60159-4

Journal of Integrative Agriculture ›› 2011, Vol. 10 ›› Issue (10): 1618-1623.DOI: 10.1016/S1671-2927(11)60159-4

Studies on Wool-Eating Ailment in Guizhou Semi-Fine Wool Sheep

SHEN Xiao-yun

1.College of Chemistry & Chemical Engineering, Chongqing University of Science and Technology
2.Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences
3.Pratacultural Ecology Institute, Bijie University

收稿日期:2010-10-08 出版日期:2011-10-01 发布日期:2011-10-18
通讯作者: Correspondence SHEN Xiao-yun, Professor, Ph D, Tel: +86-857-8237082, Fax: +86-857-8238478, E-mail: bijieshenxy@163.com
作者简介:SHEN Xiao-yun, Professor, Ph D, Tel: +86-857-8237082, Fax: +86-857-8238478, E-mail: bijieshenxy@163.com
基金资助:
This work was supported financially by the National Natural Science Foundation of China (40930533/ D011004), the China Agriculture Research System (CARS-40-30), the Science Foundation of Bijie District Grant, China (200905), the Guizhou Provincial Key Technologies R&D Program, China (NY[2010]3041), and the Guizhou Governor Foundation, China (2009129).

Studies on Wool-Eating Ailment in Guizhou Semi-Fine Wool Sheep

SHEN Xiao-yun

1.College of Chemistry & Chemical Engineering, Chongqing University of Science and Technology
2.Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences
3.Pratacultural Ecology Institute, Bijie University

Received:2010-10-08 Online:2011-10-01 Published:2011-10-18
Contact: Correspondence SHEN Xiao-yun, Professor, Ph D, Tel: +86-857-8237082, Fax: +86-857-8238478, E-mail: bijieshenxy@163.com
About author:SHEN Xiao-yun, Professor, Ph D, Tel: +86-857-8237082, Fax: +86-857-8238478, E-mail: bijieshenxy@163.com
Supported by:
This work was supported financially by the National Natural Science Foundation of China (40930533/ D011004), the China Agriculture Research System (CARS-40-30), the Science Foundation of Bijie District Grant, China (200905), the Guizhou Provincial Key Technologies R&D Program, China (NY[2010]3041), and the Guizhou Governor Foundation, China (2009129).

摘要/Abstract

摘要： The clinical symptoms of a disorder which is known locally as “wool-eating ailment” in Guizhou semi-fine wool sheep in the Weining County of Guizhou Province, China, are poor weight gain, lost appetite, pica, emaciation, and wool-eating. The mineral composition of forage, and samples of blood, liver and wool from Guizhou semi-fine wool sheep in affected ranches were compared with those from the unaffected areas. The mean concentration of iron in forage from affected pasture was significantly higher than that from the unaffected pasture. The mean concentration of sulfur in forage from the affected and unaffected pasture was similar and within normal ranges. The mean concentration of sulfur in blood, liver and wool from the affected Guizhou semi-fine wool sheep was significantly lower than that from the unaffected sheep while the content of iron in blood, liver and wool from the affected sheep was significantly higher than that from the unaffected sheep. Oral administration of calcium sulfate prevented and cured the disease. We concluded that the disease of Guizhou semi-fine wool sheep in the Weining County is due to S deficiency caused by the high Fe in forages.

关键词: Guizhou semi-fine wool sheep, sulfur, iron, calcium sulfate, wool-eating

Abstract: The clinical symptoms of a disorder which is known locally as “wool-eating ailment” in Guizhou semi-fine wool sheep in the Weining County of Guizhou Province, China, are poor weight gain, lost appetite, pica, emaciation, and wool-eating. The mineral composition of forage, and samples of blood, liver and wool from Guizhou semi-fine wool sheep in affected ranches were compared with those from the unaffected areas. The mean concentration of iron in forage from affected pasture was significantly higher than that from the unaffected pasture. The mean concentration of sulfur in forage from the affected and unaffected pasture was similar and within normal ranges. The mean concentration of sulfur in blood, liver and wool from the affected Guizhou semi-fine wool sheep was significantly lower than that from the unaffected sheep while the content of iron in blood, liver and wool from the affected sheep was significantly higher than that from the unaffected sheep. Oral administration of calcium sulfate prevented and cured the disease. We concluded that the disease of Guizhou semi-fine wool sheep in the Weining County is due to S deficiency caused by the high Fe in forages.

Key words: Guizhou semi-fine wool sheep, sulfur, iron, calcium sulfate, wool-eating

SHEN Xiao-yun . Studies on Wool-Eating Ailment in Guizhou Semi-Fine Wool Sheep[J]. Journal of Integrative Agriculture, 2011, 10(10): 1618-1623.

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Studies on Wool-Eating Ailment in Guizhou Semi-Fine Wool Sheep

Studies on Wool-Eating Ailment in Guizhou Semi-Fine Wool Sheep

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