Mohamed Et Al

Mohamed et al

Greener
Journal of Agricultural Sciences,
 Vol. 5 (7),
pp. 
233-239, December
2015.

ISSN: 2276-7770 

Research Paper

Manuscript Number: 081214325

 

(DOI http://doi.org/10.15580/GJAS.2015.7.081214325)

 

The effect of feeding groundnut hay and
concentrates on some carcass characteristics of Sudanese Desert lambs (tribal
subtypes Hamari and Kabashi) in North Kordofan State, Sudan

 

Mohamed Ali, M.A.1, Abdella, H.O.2,
Elimam, M.E.2, Sulieman, A.H.2, Tibin, M.A.M.3,
Neama, A.E.4 and Jadalla, J.B.*1

 

1 Department of Animal production, Faculty of Natural
resources and Environmental Studies, University of Kordofan

2 Department of Animal production Faculty of Agricultural
Sciences, University of Gezira

3 Department of Animal production, Faculty of Natural
resources and Environmental Studies, University of Peace

4 Department of Animal
production Faculty of Agricultural Sciences, University of Dallanj

Abstract

 

Twelve Desert lambs; six Hamari tribal subtype and similar number
of Kabashi subtype) were used in the experiment. Their age was four months with
average weight of 25.25 Kg. Six lambs (three from each subtype, received a
fattening ration and the other six lambs were kept on natural grazing (control).
At the end of the experimental period of 60 days all lambs were slaughtered for
studying meat characteristics. Slaughter weight (SWt.), empty body weight (EBW)
and hot carcass weight of pen fed lambs had considerably higher values (P
<0.01) compared to free grazing animals. In addition, the dressing
percentage (D %), Longissmus dorsi (L. dorsi) muscle area and
the width of tail base followed the same trend. Kabashi lambs showed greater
values (P <0.01)  for most carcass traits compared with Hamari ones. Also
pen fed lambs had higher (P <0.01) percentages of fat and muscle in carcass
and a decreased percentage of bone compared to the free grazing animals.
Kabashi lambs, especially the pen fed, had higher percentages (P<0.01) for
fat and lean whereas Hamari animals on the same feed had the highest (P
<0.01)  total bone percentage. Subtype and feeding system had
significant effects on D %, L. dorsi muscle area and tail
base. Higher values (P <0.01)  for these parameters were noticed in pen
fed Kabashi lambs. Also subtype × feeding system interactions had significant
(P<0.01) effects on D %, L. dorsi muscle area and tail base
width.

 

Key words: Groundnut hay, Carcass,
Dressing percentages, Longissmus dorsi, Slaughter
weight. 

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