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Effects of derived meals from juncea(Brassica juncea),yellow and black seeded canola(Brassica napus)and multicarbohydrase enzymes supplementation on apparent metabolizable energy in broiler chickens

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Animal Nutrition 2016年第3期2卷 154-159页

作者： Balachandar Jayaraman Janice MacIsaac Derek Anderson Department of Animal Science University of Manitoba Dalhousie University Faculty of Agriculture

Two experiments were conducted to determine the nitrogen-corrected apparent metabolizable energy(AMEn) of differently processed meals from Juncea(Brassica juncea), yellow and black seeded canola(Brassica napus), with or without supplementation of multi-carbohydrase enzymes(Enz) in diets for broiler chickens. The first experiment was a 3×2×2 factorial arrangement with the main factors being seed type(yellow [Yellow] or black [B1] canola seeds and Juncea seeds), processed at two temperatures(high temperature desolventized-toasted [HTDT] at 95℃ or low temperature desolventized-toasted[LTDT] at 57℃), with or without Enz. In Exp. 1, a total of 384 one-day-old male broiler chicks were randomly assigned to 64 battery cages, with 6 birds/cage. The second experiment was a 2×2×2 factorial arrangement with the main factors being seed type(Yellow or black [B2]), seed source(Scott,Saskatchewan or Truro, Nova Scotia) and Enz(with or without) supplementation. A total of 264 one-dayold male broiler chicks were randomly assigned to 44 battery cages, with 6 birds per cage. In Exp, 1 and 2,all birds were fed a common starter diet from 1 to 14 days of age. From d 15 to 21, the birds were fed one of the test treatments, a basal grower diet or the basal grower diet replaced with 30% test ingredient with celite(0.8%) added as an inert marker. Excreta was collected on d 20 and 21. In Exp. 1, there were no interactions(P > 0.05) among seed type, processing temperature and Enz. Processing temperature and dietary Enz did not affect(P > 0.05) AMEn of different canola meals. The AMEn of prepress solvent extracted canola and juncea meals(PSEM) from Yellow(11.2 MJ/kg) was higher(P 0.05) among seed color,location and Enz. Supplementation of dietary Enz did not affect(P > 0.05) AMEn of different cold press canola meals. The AMEn of cold press canola meals(CPM) from Yellow(14.7 MJ/kg) was higher(P < 0.05)co

关键词： canola meal Prepress solvent extraction Cold press extraction AMEn Yellow seeded canola Black seeded canola

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