Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094

April 2013 Vol. 2(4): pp. 123-131

Copyright © 2015 Global Advanced Research Journals

 

Full Length Research Paper

Influence of Nutritional Supplementation “Flushing” on Reproduction Performances of Barbarine Sheep

Medini Ibrahim(MSc), Akrem Jalel (MD), Khaldi Gley(PhD, HDR)

 

1,3. Department of animal resources ,fisheries and food technology (INAT), Tunis, Tunisia.

2. Department of Neurosciences, BS, France

*Corresponding author E-mail: mediniibrahim@yahoo.fr;  

Tel: +216 97 164 418  

Accepted 03 April, 2013

 

Abstract

The objective of this work is to study the effect of feed supplement (Flushing) on the reproductive performances of the barbarine ewes. It was carried in 2011 in our laboratory of animal resources, fisheries and food technology in Tunis (Tunisia) The study was conducted on 199 records and each of them contains: the ewe’s identification, the initial weight, the final weight, the weight difference, the number of corpus luteum and the lambs’ number. The 199 ewes are divided into 3 groups: the control group (0) that does not have a feed supplementation, group 200 which receives 200g/ewe/day, of the concentrate feed and the group 400 g gets 400g/ewe/day, of the concentrate feed as well. The initial weight is very important for the reproductive performances. It’s included between 39 kg and 53 kg. The reproductive performances are calculated for all ewes to study the influence of the Flushing on the performances’ change. In fact, the prolificacy’s average of the group 200 is (143%), the low average is in the group 0 (124%); however, the group 400 has the average (127%). The fertility average is 95.61%. The group 200 has the maximum rate (100%). For the group 0, the rate is 95.31%, however, the group 400 has the minimal rate (91%). For the ovulation rate, we find the group 200 with the most important average (1.51); the group 0 has the lowest average (1.29). And the group 400 has the average (1.37). Hence, the average of embryonic mortality is almost the same for the 3 groups which is around of (0.1). Moreover, the average of the weight difference and the quantity of the concentrate feed are proportional, and in fact the averages are as follows: group 0: 0.1kg; group 200:1.9kg; group 400: 2.34kg.

Keywords: barbarine ewes, Flushing, prolificacy, fertility, ovulation rate.

 


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