The effects of condensed tannins from Desmodium intortum and Calliandra calothyrsus on protein and carbohydrate digestion in sheep and goats

The British Journal of Nutrition
R A Perez-Maldonado, B W Norton

Abstract

A factorial experiment was conducted to study the effects of condensed tannins (CT) from the tropical legumes Desmodium intortum and Calliandra calothyrsus on the digestion and utilization of protein and carbohydrate in sheep and goats. CT-free Centrosema pubescens was also fed for comparison with the CT legumes, and each legume was included (300 g/kg DM) in a basal diet of pangola grass (Digitaria decumbens). Pangola grass alone was used as a control diet. There were no significant (P > 0.05) differences between sheep and goats for the efficiency of digestion of N (0.574, SE 0.013), organic matter (OM; 0.519, SE 0.010), neutral-detergent fibre (NDF; 0.524, SE 0.011) and acid-detergent fibre (ADF; 0.407, SE 0.016). Diets containing desmodium and calliandra were digested less well in the rumen (64 and 62% of total OM digested) when compared with the pangola and centrosema diets (74 and 73% of total OM digested in rumen). There was an apparent net gain of 30% in ADF across the digestive tract of sheep and goats given calliandra, and this gain was ascribed to the formation of 'artifact' fibre as a result of fibre-tannin interaction. Overall, inclusion of legume at 300 g/kg in the diet significantly increased (P < 0.05) the concent...Continue Reading

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Citations

Oct 1, 1996·The British Journal of Nutrition·R A Perez-Maldonado, B W Norton
Jun 13, 2003·Archiv für Tierernährung·E M HoffmannK Becker
Jul 11, 2007·Bulletin of Environmental Contamination and Toxicology·Q GuangqiuL Haoliang
Jan 28, 2014·Journal of Animal Physiology and Animal Nutrition·L AbeciaE Molina-Alcaide
Apr 13, 2012·Journal of Agricultural and Food Chemistry·Martin M LorenzPeter Udén
Jan 13, 2001·Journal of Applied Microbiology·C S McSweeneyD O Krause
Jan 26, 2020·Animals : an Open Access Journal From MDPI·Trinidad de EvanEduarda Molina-Alcaide
Jun 1, 2007·Animal : an International Journal of Animal Bioscience·M T P DentinhoR J B Bessa
Feb 10, 2018·Journal of Agricultural and Food Chemistry·Jessica QuijadaIrene Mueller-Harvey

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