Journal of Agricultural Science and Engineering
Articles Information
Journal of Agricultural Science and Engineering, Vol.2, No.1, Feb. 2016, Pub. Date: Feb. 24, 2016
Effect of Compensatory Growth on Carcass Characteristics of Sudanese Desert Lambs
Pages: 5-10 Views: 836 Downloads: 416
Authors
[01] Yagoub Magboul Yagoub, Faculty of Agricultural Technology and Fish Sciences, Al-Neelain University, Khartoum, Sudan.
[02] Hiba Abdalraheem SattiShareef, Department of Animal Production, Faculty of Agriculture, Omdurman Islamic University, Omdurman, Sudan.
[03] Salih Ahmed Babiker, Department of Meat Production, Faculty of Animal Production, University of Khartoum, Shambat, Sudan.
[04] Nazik Eisa, Department of Animal Science, Faculty of Agricultural Sciences, Gezera University, Wad Medani, Sudan.
Abstract
This study was conducted to detect the effect of compensatory growth on carcass characteristics of the Sudanese desert lambs. Twelve lambs (Hamri ecotype) of the same initial weight (23±16 Kg) were used in this experiment. The animals were randomly divided into two groups. The first group (A) was adlibitum offered a high energy diet (10. 50 MJ/Kg DM) for 60 days. While the second group (B) was given a low energy diet (8.03 MJ/Kg DM) throughout the same period (60 days).Lambs of the second group were found just to maintain their weight. After that period the lambs from the second group were offered the high energy diet (10. 50 MJ/Kg DM) until they reached the final weight obtained by the first group. It spent 45 days to reach that weight. At the end of the experiment four animals from each group were chosen randomly for slaughter to obtain carcass data and physical and chemical meat analysis. The results showed that hot and cold carcass weights, dressing percentage were not significantly different between treatments. Similarly dressing percentage was not significantly different between treatments. Body components were not significantly different between treatments except mesenteric fat which was significantly (p<0.05) higher in rehabilitated lamb group. The proportion of muscle and fat were significantly greater in the rehabilitated lambs than in free fed lambs. Meat chemical analysis were not significantly different between the two groups, however the fat was significantly (p<0.05) greater in rehabilitated lamb group. Meat quality attributes showed significantly higher colour co-ordinates (L) and (a) and superior water holding capacity in rehabilitated lambs group than in free fed lamb group.
Keywords
Sudanese Desert Lambs, Compensatory Growth, Carcass Characteristics
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