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Growth response of purebred Merino and crossbred prime lambs supplemented with canola and flaxseed oils


Nguyen, VD and Ives, SW and Smith, RW and Malau-Aduli, AEO, Growth response of purebred Merino and crossbred prime lambs supplemented with canola and flaxseed oils, Proceedings of the 5th International Conference on Sustainable Animal Agriculture for Developing Countries, 27-30 October 2015, Pattaya, Thailand, pp. 113-116. (2015) [Refereed Conference Paper]

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The objective of this study was to evaluate the influence of flaxseed and canola oil supplementation on the growth of genetically divergent prime lambs. Seventy-two weaned lambs from Corriedale sires mated to Merino dams (CxM), White Suffolk sires mated to Corriedale dams (WxC) and purebred Merino (MxM) were randomly distributed into six treatment groups. Each group were fed daily with 1 kg pellets per lamb supplemented with either flaxseed or canola oil at 50ml/kg (high), 25ml/kg (low) oil levels and no oil (control) . Lambs had daily ad libitum access to lucerne hay and water over a ten-week period. Results demonstrated that while gender had an inconsequential impact, significant differences in average daily weight gain (ADG) were attributable to oil supplementation. Furthermore, the appropriate level of these oils should be 50ml/kg over a ten-week supplementation. Lamb breed exerted the most significant impact on liveweight and body condition score with WxC lambs eliciting the best growth performance in this study.

Item Details

Item Type:Refereed Conference Paper
Keywords:flaxseed oil, canola oil, supplementation, prime lambs, growth
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Animal production
Research Field:Animal nutrition
Objective Division:Animal Production and Animal Primary Products
Objective Group:Livestock raising
Objective Field:Sheep for meat
UTAS Author:Nguyen, VD (Mr Viet Nguyen)
UTAS Author:Ives, SW (Dr Stephen Ives)
UTAS Author:Smith, RW (Dr Rowan Smith)
UTAS Author:Malau-Aduli, AEO (Associate Professor Aduli Malau-Aduli)
ID Code:101364
Year Published:2015
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2015-06-19
Last Modified:2017-10-04

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