Feed intake variation in crossbred lambs applied to livestock production

Holman, B.W.D., and Malau-Aduli, A.E.O. (2014) Feed intake variation in crossbred lambs applied to livestock production. In: Proceedings of the 10th World Congress on Genetics Applied to Livestock Production. pp. 559-561. From: 10th World Congress on Genetics Applied to Livestock Production, 16-22 August 2014, Vancouver, Canada.

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Abstract

Genetically divergent prime lambs were supplemented with Spirulina and had ad libitum access to Lucerne hay in a nine-week feeding trial. The main objective was to model residual feed intake, liveweight gain, standardised daily feed intake (SDFI), feed conversion ratio and daily feed intake (DFI) and test for sire breed and sex variations. Level of Spirulina supplementation and sex were found to have no independent effects on lamb feed intake (P>0.05). However, DFI and SDFI in Merino sired lambs were lower than in their crossbred counterparts (P<0.023). Merino ewe lambs consumed more Lucerne hay than wethers (P<0.05). These findings could prove useful when balancing feed resources to match Spirulina supplementation levels and lamb breeding management goals.

Item ID: 55038
Item Type: Conference Item (Research - E1)
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Copyright Information: This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Date Deposited: 11 Sep 2018 23:19
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0702 Animal Production > 070204 Animal Nutrition @ 50%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0702 Animal Production > 070201 Animal Breeding @ 50%
SEO Codes: 83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8303 Livestock Raising > 830310 Sheep - Meat @ 100%
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