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Influence of Crossbreeding Romanov Ewes with Crossbred Argali Romanov Rams on Male Progeny Performance and Carcass Traits | OMICS International | Abstract
ISSN: 2157-7579

Journal of Veterinary Science & Technology
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Research Article

Influence of Crossbreeding Romanov Ewes with Crossbred Argali Romanov Rams on Male Progeny Performance and Carcass Traits

Dvalishvili VG1, Fathala MM2, Vinogradov IS1* and Dawod A3

1Department of Breeding and Nutrition, All-Russian Research Institute of Livestock namely, Academician L. K. Ernst, Moscow, Russia

2Department of Animal Husbandry and wealth Development, Faculty of Veterinary Medicine Alexandria University, Egypt

3Department of Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, University of Sadat City, Egypt

*Corresponding Author:
Vinogradov IS
Department of Breeding and Nutrition
All-Russian Research Institute of Livestock namely
Academician L. K. Ernst, Moscow, Russia
Tel: + 371 67223448
E-mail: [email protected]

Received date: October 27, 2015 Accepted date: November 25, 2015 Published date: November 27, 2015

Citation: Dvalishvili VG, Fathala MM, Vinogradov IS, Dawod A (2015) Influence of Crossbreeding Romanov Ewes with Crossbred Argali Romanov Rams on Male Progeny Performance and Carcass Traits . J Veterinar Sci Technol 6:275. doi:10.4172/2157-7579.1000275

Copyright: © 2015 Dvalishvili VG, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The study was conducted to investigate growth performance, nutrient digestibility, carcass quality measures and some serum blood parameters of purebred and crossbred Romanov male lambs (7/8 Romanov:1/8 Argali). For this purpose two groups of sheep were formed, the first consisted of 163 ewes with 2 rams of purebred Romanov sheep, while the second consisted of 49 purebred Romanov ewes with one crossbred ram (3/4 Romanov:1/4 Argali). The ewes were mated with the rams from the same group. Newly born lamb survivability and live body weight were estimated just after lambing. The lambs kept in the experiment till the age of 4 months (weaning age) then ten male lambs from each group were selected and kept under the same feeding and housing condition till the age of 8 months. The lamb keeping index, growth performance, nutrient digestibility, carcass traits and some serum blood parameters were determined for each lamb group.

The results of the study revealed that, the crossbred Romanov male lambs (7/8 Romanov:1/8 Argali) had 4.80 kg more in their body weight as well as 19 g of average daily gain by the age of 8 months. Crossbred lambs had 2.8 kg more in their hot carcass weight over the purebred ones. Crossbred Romanov lambs had higher lamb keeping index, growth performance and nutrient digestibility than purebred ones. Also, they have a better metabolic blood profile.

Keywords

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