Supplementation of Acacia mearnsii tannins decreases methanogenesis and urinary nitrogen in forage-fed sheep

CSIRO Publishing - Tập 56 Số 9 - Trang 961 - 2005
Juan E Carulla1, Michael Kreuzer2, Andrea Machmüller2, Hans Heß2
1Department of Animal Production, National University of Colombia, Bogotá, Colombia
2Institute of Animal Science, Animal Nutrition, Swiss Federal Institute of Technology (ETH), ETH Center/LFW, CH-8092 Zurich, Switzerland.

Tóm tắt

The objective of this experiment was to assess the effects of a partial replacement of ryegrass (Lolium perenne) by red clover (Trifolium pratense) or alfalfa (Medicago sativa) supplemented with 0 or 41 g Acacia mearnsii extract (containing 0.615 g/g condensed tannins)/kg dietary dry matter on nitrogen turnover and methane release by sheep, using the respiration chamber technique. Across all variables, there was no significant interaction between basal diet and tannin supplementation. The partial replacement of the grass by the legumes remained without effect on the amounts of nitrogen excreted through faeces or urine. Nitrogen and energy utilisation was lower (P < 0.05) with ryegrass–alfalfa than with ryegrass alone, and methane release (kJ/MJ gross energy intake) was higher (P < 0.05) with ryegrass–red clover than with ryegrass alone. Tannin supplementation decreased (P < 0.05) ruminal ammonia concentration and urinary nitrogen excretion without affecting body nitrogen and energy retention, and reduced (P < 0.001) methane release by 13% on average. The results suggest that supplemented Acacia mearnsii tannins can be useful in mitigating methane and potential gaseous nitrogen emissions, whereas a replacement of grass by legumes obviously shows no advantage in this respect.

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Tài liệu tham khảo

Al�n, 1985, Finnish Chemical Letters, 1985, 190

Barry, 1999, The British Journal of Nutrition, 81, 263, 10.1017/S0007114599000501

Benchaar, 2001, Canadian Journal of Animal Science, 81, 563, 10.4141/A00-119

Ben Salem, 2002, Animal Science, 75, 127, 10.1017/S1357729800052905

10.1016/S0377-8401(02)00180-3

Broderick, 1997, Crop Science, 37, 1884, 10.2135/cropsci1997.0011183X003700060037x

Broderick, 2000, Journal of Dairy Science, 83, 1543, 10.3168/jds.S0022-0302(00)75026-0

Carulla, 2001, Archivos Latinoamericanos de Producci�n Animal, 9, 17

10.1016/0269-7483(89)90016-5

Fievez, 1999, Journal of Applied Animal Research, 16, 1, 10.1080/09712119.1999.9706258

Fraser, 1990, Proceedings of the New Zealand Society of Animal Production, 50, 43

10.1016/S0377-8401(01)00250-4

10.1071/AR02241

Hess, 2004, Journal of Animal and Feed Sciences, 13, 95, 10.22358/jafs/73747/2004

Hoffmann, 1980, Archives of Animal Nutrition, 30, 743

10.1016/S0921-4488(03)00142-1

Makkar, 1995, Journal of the Science of Food and Agriculture, 69, 495, 10.1002/jsfa.2740690414

Makkar, 1995, Journal of the Science of Food and Agriculture, 69, 481, 10.1002/jsfa.2740690413

10.1016/0377-8401(95)00793-M

Mbanzamihigo, 2002, Canadian Journal of Animal Science, 82, 69, 10.4141/A01-042

McCaughey, 1999, Canadian Journal of Animal Science, 79, 221, 10.4141/A98-107

10.1046/j.1365-2672.2001.01220.x

10.1016/S0377-8401(03)00041-5

Mueller-Harvey, 1992, Advances in Plant Cell Biochemistry and Biotechnology, 1, 151

10.1023/A:1012654928177

10.1016/S0921-4488(97)00031-X

Reed, 1995, Journal of Animal Science, 73, 1516, 10.2527/1995.7351516x

Rosskopf, 1991, Archives of Animal Nutrition, 41, 411

Schwarting, 1978, Zeitschrift fur Tierphysiologie, Tierernahrung und Futtermittelkunde, 40, 6, 10.1111/j.1439-0396.1978.tb00519.x

?liwi?ski, 2004, Journal of Animal and Feed Sciences, 13, 73, 10.22358/jafs/67390/2004

10.1006/abio.1996.0123

Terrill, 1992, Journal of the Science of Food and Agriculture, 58, 321, 10.1002/jsfa.2740580306

10.1079/BJN19940048

Ulyatt, 1997, Proceedings of the New Zealand Society of Animal Production, 57, 130

Van Soest, 1991, Journal of Dairy Science, 74, 3583, 10.3168/jds.S0022-0302(91)78551-2

Waghorn, 2002, Proceedings of the New Zealand Grassland Association, 64, 167, 10.33584/jnzg.2002.64.2462

Woodward, 2001, Proceedings of the New Zealand Society of Animal Production, 61, 23

Y��ez Ruiz, 2004, Journal of Animal Science, 82, 2023, 10.2527/2004.8272023x

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CSIRO Publishing

Tập 56 Số 9

961

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