Simplified in situ method for estimating ruminai dry matter and protein degradability of concentrates

Journal of Animal Science

Volumn 81, Issue 2, 2003, Pages 520-528

  Olaisen, V ^a   Mejdell, T ^b   Volden, H ^c   Nesse, N ^a  

^a NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

^b SINTEF   (Norway)

^c NORWEGIAN UNIVERSITY OF LIFE SCIENCES   (Norway)

Author keywords

Cattle; Degradation; Dry Matter; Mathematical Model; Protein; Rumen

Indexed keywords

BOS TAURUS;

ANIMAL; ARTICLE; BIOLOGICAL MODEL; CATTLE; DIGESTION; FEMALE; KINETICS; METABOLISM; PARTICLE SIZE; PROTEIN INTAKE; REGRESSION ANALYSIS; RUMINANT STOMACH;

ANIMALS; CATTLE; DIETARY PROTEINS; DIGESTION; FEMALE; KINETICS; MODELS, BIOLOGICAL; PARTICLE SIZE; REGRESSION ANALYSIS; RUMEN;

EID: 0037528975     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/2003.812520x     Document Type: Article

References (15)

1. Broderick, G. A. 1994. Quantifying forage protein quality. Page 200 in Forage Quality, Evaluation, and Utilization. G. C. Fahey Jr., ed. Am. Soc. Agron., Madison, WI.
2. Calsamiglia, S., I. K. Yoon, and M. D. Stern. 1994. Effect of various incubation times on in situ estimation of ruminai crude protein degradation. J. Anim. Sci. 72(Suppl. 1):171.
3. Dhanoa, M. S., J. France, S. López, J. Dijkstra, S. J. Lister, D. R. Davies, and A. Bannik. 1999. Correcting the calculation of extent of degradation to account for particulate matter loss at zero time when applying the polyester bag method. J. Anim. Sci. 77:3385-3391.
4. Fogler, H. S., 1992. Pages 738-741 in Elements of Chemical Reactor Engineering. Prentice-Hall Int., Inc., London.
5. Hvelplund, T., and M. R. Weisbjerg. 1998. In vitro techniques to replace in vivo methods for estimating amino acid supply. Page 131 in In Vitro Techniques for Measuring Nutrient Supply to Ruminants. E. R. Deaville, E. Owen, A. T. Adesogan, C. Rymer, J. A. Huntington, and T. L. J. Lawrence, ed. Occasional Pub. No. 22, Br. Soc. of Anim. Sci. Proc., July 1997, Univ. of Reading, U.K.
6. López, S., J. France, J. Dijkstra, and M. S. France. 1999. Comparison of mathematical models to describe disappearance curves obtained using the polyester bag technique for incubating feeds in the rumen. J. Anim. Sci. 77:1875-1888.
7. Madsen, J., 1985. The basis for the proposed Nordic protein evaluation system for ruminants. The AAT-PBV system. Acta Agric. Scand. 25(Suppl.):9-20.
8. Madsen, J., T. Hvelplund, M. R. Weisbjerg, J. Bertilsson, I. Olsson, R. Sprndly, O. M. Harstad, H. Volden, M. Tuori, T. Varvikko, P. Huhtanen, and B. L. Olafsson. 1995. The AAT/PBV protein evaluating system for ruminants. A revision. Norw. J. Agric. Sci. 19(Suppl.):1-37.
9. Poncet, C., B. Michalet-Doreau, T. McAllister, and D. Rémond. 1995. Dietary compounds escaping rumen digestion. Page 167 in Recent Development in the Nutrition of Herbivores. M. Journet, E. Grenet, M.-H. Farce, M. Thériez, and C. Demarquilly, ed. Proc. IVth Int. Symp. Nutr. Herbivores, INRA Editions, Paris.
10. Stern, M. D., A. Bach, and S. Calsamiglia. 1997. Alternative techniques for measuring nutrient digestion in ruminants. J. Anim. Sci. 75:2256-2276.
11. Tamminga, S., W. M. Van Straalen, A. P. J. Subnel, R. G. M. Meijer, A. Steg, C. J. G. Wever, and M. C. Blok. 1994. The Dutch protein evaluation system: The DVE/OEB-system. Livest. Prod. Sci. 40:139-155.
12. Vanzant, E. S., R. S. Cochran, E. C. Titgemeyer, S. D. Stafford, K. C. Olson, D. E. Johnson, and G. St. Jean. 1996. In vivo and in situ measurements of forage protein degradation in beef cattle. J. Anim. Sci. 74:2773-2784.
13. Vérité, R., and J. L. Peyraud. 1989. Protein: The PDI system. Page 33 in Ruminant Nutrition: Recommended Allowances and Feed Tables, R. Jarrige, ed. John Libbey Eurotext, Paris.
14. Volden, H., and O. M. Harstad. 1995. Effect of rumen incubation on the true indigestibility of feed protein in the digestive tract determined by nylon bag techniques. Acta Agric. Sci. Scand. 45:106-115.
15. Wilkerson, V. A., T. J. Klopfenstein, and W. W. Stroup. 1995. A collaborative study of in situ forage protein degradation. J. Anim. Sci. 73:583-588.