

Publisher: Cambridge University Press
E-ISSN: 1475-2662|54|3|719-726
ISSN: 0007-1145
Source: British Journal of Nutrition, Vol.54, Iss.3, 1985-11, pp. : 719-726
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Abstract
1. The use of a nylon-bag technique for pig feed digestibility determination was studied. Bags, measuring 25 × 40 mm and containing feed samples, were introduced into the pig gastrointestinal tract through a duodenal cannula, and recovered in the faeces between 23 and 69 h later. The disappearance of organic matter and crude protein (nitrogen × 6.25) from the bags was compared with in vivo apparent digestibility, determined by conventional faecal-collection methods, and neutral-detergent-fibre content for eleven feeds. The residues left in the bags after passage through the intestine from whole-crop-pea (Pisum sativum) and barley-grain samples were analysed for starch, non-starch polysaccharide residues, Klason lignin, crude protein and ash.
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