Effect of the method of oestrous synchronization and eCG dosage on fertility and twinning in Algerian rumbi sheep [electronic resource].

By: Contributor(s): Language: English Summary language: Arabic Description: p.47-53Other title:
  • تأثير تزامن الشبق مع جرعات من eCG على خصوبة نعاج الرامبى الجزائرية [Added title page title]
Uniform titles:
  • Beni-Suef veterinary medical journal, 2001 v. 11 (1) [electronic resource].
Subject(s): Online resources: In: Beni-Suef Veterinary Medical Journal 2001.v. 11(1)Summary: Two hundred and twenty fife mature cyclic Algerian Rumbi ewes were used in this study. They were all used as control ewes in Autumn, and after lambing at the following Spring they were divided into 5 groups, after eliminatmg the infertile ewes. Each of the 5 groups, of thirty ewes each, has been treated differently. Four groups were synchronized with sponges progestogens and then received 0, 350, 450 and 700 i.u of eCG. The fifth group received double injections of PGF2a given 8 days apart, and then stimulated by 450 i.u of eCG. Control ewes presented an acceptable rate of fertility while ewes which received eCG treatments and particularity the dose of 450 i.u presented increased twinning and fertility rate and consequently total number of lambs born. The differences between stimulated groups by eCG and the others were significant, particularly between groups received the dose of 450 i.u and other groups
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Two hundred and twenty fife mature cyclic Algerian Rumbi ewes were used in this study. They were all used as control ewes in Autumn, and after lambing at the following Spring they were divided into 5 groups, after eliminatmg the infertile ewes. Each of the 5 groups, of thirty ewes each, has been treated differently. Four groups were synchronized with sponges progestogens and then received 0, 350, 450 and 700 i.u of eCG. The fifth group received double injections of PGF2a given 8 days apart, and then stimulated by 450 i.u of eCG. Control ewes presented an acceptable rate of fertility while ewes which received eCG treatments and particularity the dose of 450 i.u presented increased twinning and fertility rate and consequently total number of lambs born. The differences between stimulated groups by eCG and the others were significant, particularly between groups received the dose of 450 i.u and other groups

Summary in Arabic.

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