Effect of four levels of hay offer on the digestible nutrients intake by calves;Efeito de quatro níveis de oferta de feno sobre o consumo de nutrientes digestíveis por bezerros

Revista Brasileira de Zootecnia

Volumn 27, Issue 4, 1998, Pages 809-814

  Ospina, Harold ^a   Prates, Ênio Rosa ^a  

^a FEDERAL UNIVERSITY OF RIO GRANDE DO SUL   (Brazil)

Author keywords

Calves; Digestibility; Digestible nutrients; Hay; Intake

Indexed keywords

ANIMALIA; AVENA STRIGOSA;

EID: 0242489633     PISSN: 01004859     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (24)

1. AFRC. Energy and Protein Requeriments of Ruminants. An advisory manual prepared by the AFRC technical Committee on Responses to Nutrients. CAB International. Wallingford, UK. 195 p. 1993.
2. AOAC - ASSOCIATION OF ANALITICAL CHEMIST. Official Methods of Analysis. 12. ed. Washington D.C., 1094p. 1975.
3. BRAGA, E., CAMARÃO, A, P. Efeito do nível de oferta de forragem no consumo e digestibilidade do capim Paspalum plicatulum Mich Vel. Aff. Pasturas Tropicais-Boletin, n.9, p.24-26, 1987.
4. CHILLIARD, Y., DOREAU, M., BOCQUIER, F. et al. Digestive and metabolic adaptations of ruminants to variations in food supply. In: JOURNET, M., GRENET, E., FARCE, M-H., THÉRIEZ, M., DEMARQUILLY, C. (Eds.) Recent developments in the Nutrition of Herbivores. INTERNATIONAL SYMPOSIUM ON THE NUTRITION OF HERBIVORES, 4, 1995. Proceedings... INRA Editions, Paris, p.329-360. 1995.
5. COCHRAN, W.G., COX, G.M. Experimental Designs. 2.ed. Edition. Wiley, New York. 1957.
6. FERRELL, C.L. Energy Metabolism. In: CHURCH, D.C. (Ed.) The Ruminant Animal: Digestive Physiology and Nutrition. Prentice-Hall, Englewood Cliffs, NJ. p.250-268. 1988.
7. GALYEAN, M.L., OWENS, F.N. Effects of diet composition and level of feed intake on site and extent of digestion in ruminants. In: TSUDA, T., SASAKI, Y., KAWASHIMA, R. (Eds.) Physiological Aspects of Digestion and Metabolism in Ruminants. San Diego, Academic Press. p.483-512. 1991.
8. GHERARDI, S.G., BLACK, J.L. Influence of post-rumen supply of nutrients on rumen digesta load and voluntary intake of roughage by sheep. Br. J. Nutr., v.62, p.589-599. 1989.
9. GROVUM, W.L. A new look at what is controlling food intake. In: SYPOSIUM OF FEED INTAKE IN CATTLE, 1986, Stillwater. Proceedings... Oklahoma: Oklahoma State University, p. 1-40. 1987.
10. GROVUM, W.L. Appetite, palatability and control of feed intake. In: CHURCH, D.C. (Ed.) The Ruminant Animal: Digestive Physiology and Nutrition. Prentice-Hall, Englewood Cliffs, NJ. P.202-216. 1988.
11. HART, F.J., LEIBHOLZ, J. The effect of species of grass, stage of maturity and level of intake on the degradation of protein and organic matter in the rumen of steers. Aust. J. Agric. Res., v.41, p.791-798.1990.
12. KENNEDY, P.M. Comparative adapatability of Herbivores to tropical enviroments. In: JOURNET, M., GRENET, E., FARCE, M-H., THÉRIEZ, M., DEMARQUILLY, C. (Eds.) Recent developments in the Nutrition of Herbivores. INTERNATIONAL SYMPOSIUM ON THE NUTRITION OF HERBIVORES, 4, 1995. Proceedings... Paris: INRA Editions, p.309-328. 1995.
13. KETELAARS, J.J.M.H., TOLKAMP, B.J. Toward a new theory of feed intake regulation in ruminants. 1. Causes of differences in voluntary feed intake: critique of current views. Livest. Prod. Sci., v.30, p.269-296. 1992.
14. LOPEZ, S.E. Efeito de diferentes tratamentos na composição químico-bromatologica e no valor nutritivo da aveia branca (Avena sativa L.) conservada nas formas de silagem ou feno. Porto Alegre, RS: UFRGS, 1990. 124p. Dissertaçáo (Mestrado em Zootecnia) - Universidade Federal do Rio Grande do Sul/ Faculdad de Agronomia, 1990.
15. MERCHEN, N.R. Digestion, Absortion and Excretion in Ruminants. In: CURHC, D.C. (Ed.) The Ruminant Animal: Digetive Physiology and Nutrition. Prentice-Hall, Enlewood Cliffs, NJ. p172-201. 1988.
16. MERCHEN, N.R., BOURQUIN, L.D. Processes of digestion and factors influencing digestion of forage-based diets by ruminants. In: FAHEY, G.Jr. (Ed.) Forage quality, evaluation and utilization. Madison, ASA. p.564-612. 1994.
17. MINSON, D.J. Forage in Ruminant Nutrition. San Diego, Academic Press. 483p. 1990
18. NUTRIENT REQUIREMENTS OF BEEF CATTLE - NRC, 6. ed. Washington, Academic Press. 90p. 1984.
19. RIEWE, M.E., LIPPKE, H. Considerations in determinig the digestibility of harvested forages. In: BARNES, R.F., CLANTON, D.C., GORDON, C.H., KLOPFENSTEIN, T.J., WALDO, D.R. (Eds.). NAT. CONFERENCE ON FORAGE QUALITY EVALUATION AND UTILIZATION. Proceedings... Lincoln, Nebraska. PF-1.1970.
20. THIAGO, L.R.L. Voluntary intake of forages by Ruminants: Factors relation to eating behaviour and Rumen fill. Reading, University of Reading, Ph.D. Thesis. 1988.
21. VAN SOEST, P.J., ROBERTSON, J.B. Analysis of forages and fibrous foods. A laboratory manual for animal science 613. Ithaca, Cornell University. 202p. 1985.
22. VAN SOEST, P.J. Nutritional Ecology of the Ruminant. Ithaca, Cornell University Press. 476p. 1994.
23. WESTON, R.H. Animal factors affecting feed intake. In: HACKER, J.B. (Ed.) Nutritional Limits to Animal Production from Pastures. London, Farnham Royal. p183-198. 1982.
24. WESTON, R.H., DAVIS, P. The significance of four forage characters as constraints to voluntary intake. INTERNATIONAL SYMPOSIUM ON THE NUTRITION OF HERBIVORES, 3, 1991, Pennang. Proceedings... Serdang: Malays Soc. Anim. Prod., p.33. 1991.