Effect of Prolonged High-Concentrate Feeding on Ruminal Protozoa Concentrations

Journal of Animal Science

Volumn 74, Issue 11, 1996, Pages 2803-2809

  Franzolin, R ^a,b   Dehority, B A ^a  

^a OHIO STATE UNIVERSITY   (United States)

^b UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

Concentrates; Fauna; Protozoa; Rumen

Indexed keywords

ANIMAL; ANIMAL DISEASE; ARTICLE; DIET; EATING; ISOLATION AND PURIFICATION; MALE; PARASITOLOGY; PH; PHYSIOLOGY; PROTOZOON; RANDOMIZATION; RUMINANT STOMACH;

ANIMALS; DIET; EATING; HYDROGEN-ION CONCENTRATION; MALE; PROTOZOA; RANDOM ALLOCATION; RUMEN;

EID: 0030277656     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/1996.74112803x     Document Type: Article

References (28)

1. Abe, M., H. Shibui, T. Iriki, and F. Kumeno. 1973. Relation between diet and protozoal population in the rumen. Br. J. Nutr. 29:197.
2. Bryant, M. P., and N. Small. 1960. Observations on the ruminal microorganisms of isolated and inoculated calves. J. Dairy Sci. 43:654.
3. Christiansen, W. C., W. Woods, and W. Burroughs. 1964. Ration characteristics influencing rumen protozoal populations. J. Anim. Sci. 23:984.
4. Dehority, B. A. 1993. Laboratory manual for classification and morphology of rumen ciliate protozoa. CRC Press, Boca Raton, FL.
5. Dehority, B. A., and C. G. Orpin. 1988. Development of, and natural fluctuations in, rumen microbial populations. In: P. N. Hobson (Ed.) The Rumen Microbial Ecosystem. pp 151-183. Elsevier Applied Science, London.
6. De Semet, S., D. I. Demeyer, and C. J. van Nevel. 1992. Effect of defaunation and hay:concentrate ratio on fermentation, fibre digestion and passage in the rumen of sheep. Anim. Feed Sci. Technol. 37:333.
7. Eadie, J. M. 1962a. The development of rumen microbial populations in lambs and calves under various conditions of management. J. Gen. Microbiol. 29:563.
8. Eadie, J. M. 1962b. Inter-relationships between certain rumen ciliate protozoa. J. Gen. Microbiol. 29:579.
9. Eadie, J. M. 1967. Studies on the ecology of certain rumen ciliate protozoa. J. Gen. Microbiol. 49:175.
10. Grubb, J. A., and B. A. Dehority. 1975. Effects of an abrupt change in ration from all roughage to high concentrate upon rumen microbial numbers in sheep. Appl. Environ. Microbiol. 30:404.
11. Kreikemeier, K. K., D. L. Harmon, R. T. Brant, Jr., T. G. Nagaraja, and R. C. Cochran. 1990. Steam-rolled wheat diets for finishing cattle: Effects of dietary roughage and feed intake on finishing steer performance and ruminal metabolism. J. Anim. Sci. 68: 2130.
12. Latham, M. J., M. E. Sharpe, and J. D. Sutton. 1971. The microbial flora of the rumen of cows fed hay and high cereal rations and its relationship to the rumen fermentation. J. Appl. Bacteriol. 34:425.
13. Lyle, R. R., R. R. Johnson, and W. R. Backus. 1981a. Ruminal characteristics as affected by monensin, type of protein supplement and proportions of whole wheat and corn in forage-free diets fed to finishing steers. J. Anim. Sci. 53:1377.
14. Lyle, R. R., R. R. Johnson, J. V. Wilhite, and W. R. Backus. 1981b. Ruminal characteristics in steers as affected by adaptation from forage to all-concentrate diets. J. Anim. Sci. 53:1383.
15. Mackie, R. I., and F.M.C. Gilchrist. 1979. Changes in lactate-producing and lactate-utilizing bacteria in relation to pH in the rumen of sheep during stepwise adaptation to a high-concentrate diet. Appl. Environ. Microbiol. 38:422.
16. Mackie, R. I., F.M.C. Gilchrist, A. M. Robberts, P. E. Hannah, and H. M. Schwartz. 1978. Microbiological and chemical changes in the rumen during the stepwise adaptation of sheep to high concentrate diets. J. Agric. Sci. 90:241.
17. NRC. 1984. Nutrient Requirements of Beef Cattle (6th Ed.). National Academy Press, Washington, DC.
18. SAS. 1988. SAS/STAT® User's Guide (Release 6.03). SAS Inst. Inc., Cary, NC.
19. Slyter, L. L., R. R. Oltjen, D. L. Kern, and F. C. Blank. 1970. Influence of type and level of grain and diethylstilbesterol on the rumen microbial populations of steers fed all-concentrate diets. J. Anim. Sci. 31:996.
20. Steel, R.G.D., and J. H. Torrie. 1980. Principles and Procedures of Statistics. McGraw-Hill Publishing Co., New York.
21. Towne, G., and T. G. Nagaraja. 1990. Ornasal ciliated protozoa in cattle, bison and sheep. Appl. Environ. Microbiol. 56:409.
22. Towne, G., T. G. Nagaraja, R. T. Brandt, Jr., and K. E. Kemp. 1990a. Ruminal ciliated protozoa in cattle fed finishing diets with or without supplemental fat. J. Anim. Sci. 68:2150.
23. Towne, G., T. G. Nagaraja, R. T. Brandt, Jr., and K. E. Kemp. 1990b. Dynamics of ruminal ciliated protozoa in feedlot cattle. Appl. Environ. Microbiol. 56:3174.
24. Towne, G., T. G. Nagaraja, and K. E. Kemp. 1988. Ruminal ciliated protozoa in bison. Appl. Environ. Microbiol. 54:2733.
25. Vance, R. D., R. R. Johnson, E. W. Klosterman, B. A. Dehority, and R. L. Preston. 1970. All-concentrate rations for growing-finishing cattle. Ohio Agric. Res. and Dev. Center, Res. Summary 43.
26. Vance, R. D., R. L. Preston, E. W. Klosterman, and V. R. Cahill. 1972. Utilization of whole shelled and crimped corn grain with varying proportions of corn silage by growing-finishing steers. J. Anim. Sci. 35:598.
27. Varel, V. H., and B. A. Dehority. 1989. Ruminal cellulolytic bacteria and protozoa from bison, cattle-bison hybrids, and cattle fed three alfalfa-corn diets. Appl. Environ. Microbiol. 55:148.
28. Wedekind, K. J., R. B. Muntifering, and K. B. Barker. 1986. Effects of diet concentrate level and sodium bicarbonate on site and extent of forage fiber digestion in the gastrointestinal tract of wethers. J. Anim. Sci. 62:1388.