Document Detail

Thermoregulation and reproductive performance of grazing desert ewes (Ovis aries) as influenced by concentrate supplementation.
MedLine Citation:
PMID:  19137829     Owner:  NLM     Status:  MEDLINE    
Twenty sexually mature Desert ewes were used to study the effects of concentrate supplementation on thermoregulation and reproductive traits. The ewes were divided into two equal groups, control and supplemented; the supplemented group received daily 500 g of concentrate mixture (crushed sorghum grain and cotton seed cake). In both groups, oestrus was synchronized with hormonal method and the ewes were naturally inseminated. Pregnancy was diagnosed by the ultra-sonography technique. Dietary supplementation resulted in a shorter time of oestrus onset, higher rates of conception, lambing and a significant decrease in gestation length. The fertility and fecundity of ewes were also improved. Supplementations also increased significantly the pre-and post lambing weight of ewes and the birth and weaning weights of the lambs. The body weight, rectal temperature and respiratory rate increased significantly with the advance of pregnancy in both groups of ewes. These indices decreased significantly with the progress of lactation. The supplemented ewes maintained higher values of these indices during pregnancy and lactation.
Mohammed E Elnageeb; Abdalla M Abdelatif; Sharaf Eldin A Makawi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pakistan journal of biological sciences: PJBS     Volume:  11     ISSN:  1028-8880     ISO Abbreviation:  Pak. J. Biol. Sci.     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2009-01-13     Completed Date:  2009-02-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101247723     Medline TA:  Pak J Biol Sci     Country:  Pakistan    
Other Details:
Languages:  eng     Pagination:  2209-16     Citation Subset:  IM    
Department of Physiology, Faculty of Veterinary Medicine, University of Khartoum, Sudan.
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MeSH Terms
Birth Weight
Body Temperature Regulation / physiology*
Body Weight
Desert Climate
Dietary Supplements*
Reproduction / physiology*
Sheep, Domestic / physiology*

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