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KMID : 1025520150570010036
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Journal of Animal Science and Technology
2015 Volume.57 No. 1 p.36 ~ p.36
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Performance and carcass characteristics of Australian purebred and crossbred lambs supplemented with Rice Bran
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Flakemore Aaron Ross
Otto John Roger
Suybeng Benedicte
Balogun Razaq Oladimeji
Malau-Aduli Bunmi Sherifat
Nichols Peter David
Malau-Aduli Aduli Enoch Othniel
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Abstract
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Background: This study examined the effects of dietary supplementation with rice bran, sire breed and gender on live animal performance and carcass characteristics in Australian crossbred and purebred Merino lambs.
Methods: Forty-eight lambs balanced by sire breed (Dorset, White Suffolk, Merino) and gender (ewe, wether) were randomly allocated into three dietary supplementation groups (Control- 24 lambs fed wheat/barley-based pellets, Low- 12 animals fed a 50/50 ratio of wheat-based/rice bran pellets, and High- 12 lambs fed rice bran pellets). The Rice bran pellets replaced 19 % of the barley component of the feed. Animals were group-fed at the rate of 1000 g of the supplement per head per day with ad libitum access to lucerne hay as the basal diet and water. The duration of the feeding trial was 49 days with an initial 21-day adjustment period.
Results: Sire breed differences were evident for initial (p??0.05) were observed between treatments for live animal performance, carcass characteristics, gender and their second-order interactions.
Conclusions: Results indicate that Rice bran can be utilised as a cost-effective supplementary feed source in genetically divergent sheep over a 49-day feeding period without detrimental effects on overall live animal performance or carcass characteristics.
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