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University of Geogria College of Agriculture, Coastal Plain Station,4, Tifton 31793-0748
Abstract
A growing-finishing trial, a growing trial and a digestion and N balance trial were conducted to determine the nutritive value of Beagle 82, a new triticale cultivar for swine. For the growing-finishing trial, 32 pigs (average 21.4 kg live weight) were individually housed and fed either a corn-soybean meal diet, a triticale-soybean meal diet, a triticale-soybean meal diet with 30 and 40% less soybean meal during the growing (22 to 66 kg) and finishing (66 to 97 kg) periods, respectively, than the previous two diets, or a triticale-soybean meal diet with lysine and methionine replacing all the soybean meal during the finishing period. Differences among diets were not significant for average daily gain (ADG), feed consumption (FC) and feed to gain ratio (F/G). For the growing trial (22 to 57 kg) 16 pigs (average 22.1 kg live weight) were individually housed and fed either a triticale-soybean meal diet or a triticale diet without soybean meal but fortified with lysine and methionine. The difference between the diets was not significant for ADG and F/G. However, feed consumption of the triticale-soybean meal diet was about 10% greater (P<.05) than that of the triticale-amino acid diet. Nine barrows (average 19.4 kg live weight) were used in a digestion and N balance trial designed as a 3 x 3 Latin square with three replicates, where each pig received each treatment during the trial. Digestion coefficients for gross energy and crude protein were similar (P>.05) for pigs on all diets, but digestion coefficients for dry matter for pigs fed the corn-soybean meal diet (diet 1) and the triticale-soybean meal diet (diet 2) were greater (P<.05) than that of pigs fed the triticale-soybean meal diet with 30% less soybean meal (diet 3). Pigs fed diets 2 and 3 consumed more N, and excreted more N in feces, but pigs fed diet 1 retained more N than those fed diet 3 (P<.05). For growing-finishing swine, Beagle 82 triticale can satisfactorily replace all of the corn and part of the soybean meal. When fortified with lysine and methionine, Beagle 82 triticale can also replace all the soybean meal for finishing pigs.
3 Univ. of Florida, IFAS, Agr. Res. Center, Marianna, FL 32446.
4 Supported by State and Hatch funds allocated to the Georgia Agr. Exp. Sta.
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