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Biological activity of tannins of Brazilian browses using semi-automated gas production technique. 2. Plants from Ceará state ecosystem

  • E F Nozella (a1), S L S Cabral Filho (a1), I C S Bueno (a1), A P Minho (a1), P B Godoy (a1), J A Araújo Filho (a2) and D M S S Vitti (a1)...

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Animal production in Brazilian semi-arid north-east is limited by dry-season feed shortage leading to high mortality and low production of the herds. Most of vegetation consists of forage plants with high protein content but low digestibility and high levels of tannins (10%). The aim of this work was to investigate the biological activity of tannins using the in vitro gas method with the addition of polyethylene glycol (PEG).

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Bueno, I.C.S.; Cabral Filho, S.L.S., Gobbo, S.P.; Louvandini, H.; Vitti, D.M.S.S.; Abdalla, A.L. 2005. Influence of inoculum source in a gas production method. Animal Feed Science and Technology, 123-124: 95-105.
Makkar, H.P.S. 2000 Quantification of tannins in tree foliage. Vienna: FAO; IAEA, 2000. cap.3, p.6-8: Measurement of total phenolics and tannins using Folin-Ciocalteu method. (Laboratory manual).
Mauricio, R.M.; Mould, F.L.; Dhanoa, M.S.; Owen, E.; Channa, K.S.; Theodorou, M.K. 1999. A semi-automated in vitro gas production technique for ruminant feedstuff evaluation. Animal Feed Science and Technology, 79: 321-333.
SAS Institute. 2000. The SAS system for windows. Release 8.01. Cary.

Biological activity of tannins of Brazilian browses using semi-automated gas production technique. 2. Plants from Ceará state ecosystem

  • E F Nozella (a1), S L S Cabral Filho (a1), I C S Bueno (a1), A P Minho (a1), P B Godoy (a1), J A Araújo Filho (a2) and D M S S Vitti (a1)...

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