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Bioassay for measuring tannin effects based on gas production technique. 1. Binding compounds

Published online by Cambridge University Press:  23 November 2017

I.C.S. Bueno*
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
P.B. Godoy
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
S.L.S. Cabral Filho
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
R.S. Dias
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
C. Longo
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
A.P. Minho
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
D.M.S.S. Vitti
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
H. Louvandini
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
A.L. Abdalla
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, São Paulo, Brazil
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Extract

Anti nutritional factors in tropical legumes are very common and the chemical analysis for tannins has become an important tool to evaluate alternative ruminant feeds in the tropics. However, frequently results from tannin chemical analysis are not in agreement with biological response when animals are fed those feeds. There is a lack of information concerning the biological effects (activity or reactivity) of tannins on ruminants. Usually the effects of tannins are tested in vitro by adding compounds with capacity of biding tannins. The aim of this work was to compare two binding compounds to evaluate the effect of tannins of tanniniferous feeds for ruminants.

Type
Poster Presentations
Copyright
Copyright © The British Society of Animal Science 2005

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References

France, J.,; Dhanoa., M.S.,; Theodorou., M.K.,; Lister., S.J.,; Davies., D.R., and Isac, D., 1993. A model to interpret gas accumulation profiles associated with in vitro degradation of ruminant feeds. Journal of Theoretical Biology 42: 99111.CrossRefGoogle Scholar
Mauricio., R.M.,; Mould., F.L.,; Dhanoa., M.S.,; Owen, E.; Channa, K.S.; Theodorou., M.K., 1999. Semi automated in vitro gas production technique for ruminant feedstuff evaluation. Animal Feed Science and Technology 42: 321330.CrossRefGoogle Scholar
SAS Institute, 2000. The SAS system for windows. Release 8.01. Cary.Google Scholar

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