ORIGINAL PAPER
The chemical composition of different types and
varieties of pea and the digestion of their protein
in pigs
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The Kielanowski Instirute of Animal Physiology and Nutrition, Polish Akademy of Sciences,
05-110 Jabłonna, Poland
Publication date: 1992-01-29
J. Anim. Feed Sci. 1992;1(1):71-79
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ABSTRACT
Six varieties of white-flowered and three varieties of coloured-ftowered peas were analysed for
content of nutrients and some antinutritional factors. In a trial on cannulated pigs, ileal and fala)
digestibility of protein and amino acids wcre estimated. The coloured-flowered varieties of pea
contained significantly more NDF (P<0.05), Klason lignin and tannins (P <0.01) Chan the
white-flowered ones. The trypsin inhibitor activity ranged widety in both white- and coloured-flowered peas. Methionine, cystine and threonine were negatively correlated with the protein
content of the tested seeds. The true ileal and faecal digestibilifies of pea protein ranged from 66 to 83
and from 74 to 88, respectively. The greatest differences among the peas in ileal amino acid
digestibility occurred for methi oni ne, cystine and tryptophanc. It was found that among the analyscd
factors (NDF, tannins, trypsin inhibitor) only NDF significantly decreased the ileal digestibility of
protein. The faccal digestibility was mainly reduced by tannin content.
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