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Journal of Animal Science, Vol 69, Issue 2 719-725, Copyright © 1991 by American Society of Animal Science

JOURNAL ARTICLE

Nutrient digestibilities of soft winter wheat, improved triticale cultivars, and pearl millet for finishing pigs

K. D. Haydon and S. E. Hobbs
College of Agric. Coastal Plain Sta., Dept. of Anim. Sci., University of Georgia, Tifton 31793-0748.

A replicated 4 x 4 Latin square digestion trial was conducted to determine apparent nutrient digestibilities and N and energy balances for soft red winter wheat, Beagle 82 triticale, Florico triticale, and pearl millet using finishing pigs fitted with ileal T-cannulas. Fortified experimental diets contained 97.5% of each respective grain. Nitrogen and amino acid digestibilities of soft winter wheat and triticale were similar (P greater than .13) when measured near the end of the small intestine and over the total digestive tract. Ileal digestibilities of alanine, isoleucine, leucine, threonine, tryptophan, and valine were higher (P less than .05) for pearl millet than for the other grains. Total tract N and amino acid digestibilities were all higher than ileal digestibilities. Gross energy and DM digestibilities determined at the small intestine were higher (P less than .05) for wheat and pearl millet than for Beagle 82 triticale, with the Florico variety being intermediate in energy digestibility. Total tract digestible and ME concentrations followed essentially the same pattern as ileal GE digestibility and were 2 to 3% higher (P less than .05) for wheat and pearl millet than Beagle 82 triticale. Florico triticale had similar (P greater than .05) DE but was 1.3% lower (P less than .05) in ME content than wheat.




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Copyright © 1991 by the American Society of Animal Science.