The chemical composition of Phyllanthus discoideus and its effect on the ruminal ammonia and volatile fatty acid concentration when fed to west African dwarf sheep

Archives of Animal Nutrition

Volumn 53, Issue 2, 2000, Pages 191-205

  Osakwe, I I ^a   Steingass, H ^a   Drochner, W ^a  

^a UNIVERSITY OF HOHENHEIM   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

OVIS ARIES;

EID: 0033661171     PISSN: 0003942X     EISSN: None     Source Type: Journal    
DOI: 10.1080/17450390009381946     Document Type: Article

References (24)

1. AOAC (1990) Official Methods of Analysis, (15th edn.). Association of Official Analytical Chemists, Washington, DC, USA.
2. Barry, T. N. and Forss, D. A. (1983) The condensed tannin content of vegetative Lotus pedunculatus, its regulation by fertiliser application, and effect upon protein solubility. Sci. Food Agric., 34, 1047-1056.
3. Barry, T. N. and Manley, T. R. (1986) Interrelationships between the concentration of total condensed tannins, free condensed tannins and lignin in Lotus sp. and their consequences in ruminant nutrition. J. Sci. Food and Agric., 37, 248-254.
4. Cammann, K. (1979) Working with ion selective electrodes., Springer-Verlag, Berlin.
5. Chiquette, J., Cheng, K. J., Costeron, J. W. and Milligan, L. P. (1988) Effect of tannin on the digestibility of two isosynthetic strains of Birdsfoot trefoil using in vitro and in sacco techniques. Can. J. Anim. Sci., 68, 751-760.
6. Diagayete, M. (1981) Untersuchungen zur Erweiterung der Kenntnisse über den Futterwert westafrikanischer Futterpflanzen. Diss., Univ. Stuttgart-Hohenheim, Fac. IV.
7. Goering, H. K. and Van Soest, P. J. (1970) Forage fibre analyses apparatus reagents, procedures and some applications. Agric. Handbook 379, ARS, USDA, Washington DC, pp. 1-20.
8. Jackson, F. S., Barry, T. N., Lascano, C. and Palmer, B. (1996) The extractable and bound condensed tannin content of leaves from tropical tree, shrub and forage legumes. J. Sci. Food Agric., 71, 103-110.
9. Kumar, R. and Singh, M. (1984) Recovery from tannic-acid-inhibited proteolysis in the rumen by urea. Indian J. Anim. Sci., 54, 438-445.
10. Larbi, A., Osakwe, I. I. and Lambourne, J. W. (1993) Variation in relative palatability to sheep among Gliricidia sepium provenances. Agroforestry Systems, 22, 221-224.
11. Le Houerou, H. N. (Ed.) (1980) Browse in Africa. The current state of knowledge. International Livestock for Africa, Addis Ababa, Ethiopia, 419 pp.
12. Lohan, O. P., Lall, D., Vaid, J. and Negi, S. S. (1983) Utilization of oak tree (Quercus incana) fodder in cattle rations and fate of oak-leaf in the ruminant system. Indian J. Anim. Sci., 53, 1057-1063.
13. Makkar, H. P. S., Blümmel M., Borowy, N. and Becker, K. (1993) Gravimetric determination of tannins and their correlation's with chemical and protein precipitation methods. J. Sci. Food Agric., 61, 161-165.
14. Mangan, J. L. (1988) Nutritional effect of tannins in animal feeds. Nutr. Res. Rev., 1, 209-231.
15. Onwuka, C. F. I. (1992) Tannin and saponin contents of some tropical browse species fed to goats. Tropical Agriculture (Trinidad), 69, 176-180.
16. Reed, J. D., Soller, H. and Woodward, A. (1990) Fodder tree and straw diets for sheep: intake, growth, digestibility and the effects of phenolics on nitrogen utilization. Anim. Feed Sci. Technol., 30, 39-50.
17. Reid, C. S. W., Ulyatt, M. J. and Wilson, J.M. (1974) Plant tannins, bloat and nutritional value. Proc. N. Z. Soc. Anim. Prod., 34, 82-95.
18. Rittner, U. (1992) Polyphenolics of African multipurpose trees and shrubs and their effects in ruminant nutrition. Diss., Univ. Stuttgart- Hohenheim, Fac. I.
19. Rodriguez, D., Muller, L. D. and Schingoethe, D. J. (1975) In vitro and mouse evaluation of methods for protecting whey protein and casein from ruminal degradation. J. Dairy Sci., 58, 1841-1846.
20. SAS (1985) User's Guide, 1985 edn. Statistical Analysis Systems Institute Inc, Cary, NC, USA.
21. Singleton, V. L. and Rossi, J. A. (1965) Colorimetry of total phenolics with phosphomolybdic-phosphotungstic acid reagents. Amer. J. Enol. Vitic., 16, 144-158.
22. Torres, F. (1983) Role of woody perennials in animal agroforestry. Agroforestry Systems, 1, 131-163.
23. Woodward, A. and Reed, J. A. (1989) The influence of polyphenolics on the nutritive value of browse: a summary of research conducted at ILCA. ILCA Bulletin, 35, 2-11.
24. Zijlstra, J. B., Beukema, J., Wolthers, B. G., Byrne, B. M., Groen, A. and Dankert, J. (1977) Pre-treatment methods prior to gaschromatographic analysis of volatile fatty acids from faecal samples: Clinica Chimica Acta, 78, 243-250.