Volume 8, Issue 4 (winter 2005)                   JCPP 2005, 8(4): 123-131 | Back to browse issues page

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A. Zare Shahneh, H. Sadeghi Panah. Effects of Fetal Growth Rate on Plasma Metabolite Concentration of Ewes in Late Pregnancy and after Lambing. JCPP. 2005; 8 (4) :123-131
URL: http://jcpp.iut.ac.ir/article-1-307-en.html
Abstract:   (7610 Views)
In order to determine the effects of fetal growth rate on plasma concentrations of glucose, triglyceride, total protein, and urea in ewes, this experiment was conducted at Animal Research Station of Tehran University Agricultural College. Sixteen pregnant Varamini ewes were allocated to 4 groups (n=4). During the breeding season, ewes of group 1 were mated by Varamini ram, animals in groups 2, 3 and 4 were mated by Moghani, Afshari and Shall rams, respectively. Because of the different genetic capacities of sires, fetal growth rate was expected to be different in various groups. Ewes in all groups were fed the same ration, so it was expected that differences in fetal growth rates would affect the mobilization of maternal fat and protein storage and blood levels of their metabolites. Blood samples were collected from jugular veins of ewes during the last 8 weeks of pregnancy and first week after lambing. Plasma levels of glucose, cholestrol, and triglycerid were not different among 4 groups. Total plasma protein in ewes carrying heavier fetuses was lower than in ewes with lighter fetuses (p<0.05). Conversely, plasma urea concentrations in ewes with heavier fetuses were higher than in ewes with lighter fetuses.
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Type of Study: Research | Subject: General

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