Comparison of mathematical models to describe disappearance curves obtained using the polyester bag technique for incubating feeds in the rumen

Journal of Animal Science

Volumn 77, Issue 7, 1999, Pages 1875-1888

  Lopez S ^a   France, J ^b   Dhanoa, M S ^c   Mould, F ^b   Dijkstra, J ^d  

^a UNIVERSITY OF LEÓN   (Spain)

^b UNIVERSITY OF READING   (United Kingdom)

^c ABERYSTWYTH UNIVERSITY   (United Kingdom)

^d WAGENINGEN UNIVERSITY   (Netherlands)

Author keywords

Degradability; Forage; In situ; Kinetics; Mathematical models; Rumen

Indexed keywords

ANIMALIA;

POLYESTER;

ANIMAL; ANIMAL FOOD; ANIMAL HUSBANDRY; ARTICLE; COMPARATIVE STUDY; INSTRUMENTATION; KINETICS; METHODOLOGY; RUMINANT STOMACH; THEORETICAL MODEL;

ANIMAL FEED; ANIMAL HUSBANDRY; ANIMAL NUTRITION PHYSIOLOGY; ANIMALS; KINETICS; MODELS, THEORETICAL; POLYESTERS; RUMEN;

EID: 0033159362     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/1999.7771875x     Document Type: Review

References (29)

1. Agricultural and Food Research Council. 1993. Energy and Protein Requirements of Ruminants. CAB International, Wallingford, U.K.
2. Bibby, J., and H. Toutenburg. 1977. Prediction and Improved Estimation in Linear Models. John Wiley & Sons, London.
3. Carro, M. D., S. López, J. S. Gonzalez, and F. J. Ovejero. 1991. The use of the rumen degradation characteristics of hay as predictors of its voluntary intake by sheep. Anim. Prod. 52:133-139.
4. Dhanoa, M. S., J. France, R. C. Siddons, S. López, and J. G. Buchanan-Smith. 1995. A non-linear compartmental model to describe forage degradation kinetics during incubation in polyester bags in the rumen. Br. J. Nutr. 73:3-15.
5. Draper, N. R., and H. Smith. 1981. Applied Regression Analysis. John Wiley & Sons, New York.
6. France, J., J. Dijkstra, and M. S. Dhanoa. 1996. Growth functions and their application in animal sciences. Ann. Zootech. 45:165-174.
7. France, J., S. López, J. Dijkstra, and M. S. Dhanoa. 1997. Particulate matter loss and the polyester-bag method. Br. J. Nutr. 78:1033-1037.
8. France, J., S. López, J. Dijkstra, R. Sanderson, and M. S. Dhanoa. 1998. Models for interpreting in vitro gas production profiles from ruminant feeds. In. E. R. Deaville, E. Owen, A. T. Adesogan, C. Rymer, J. A. Huntington, and T.L.J. Lawrence. In vitro Techniques for Measuring Nutrient Supply to Ruminants (Occasional Publ. No. 22). pp 79-80. British Society of Animal Science, Edinburgh, U.K.
9. France, J., J.H.M. Thornley, S. López, R. C. Siddons, M. S. Dhanoa, P. J. Van Soest, and M. Gill. 1990. On the two compartment model for estimating the rate and extent of feed degradation in the rumen. J. Theor. Biol. 146:269-287.
10. Genstat 5 Committee. 1987. GENSTAT 5 Reference Manual. Oxford University Press, Oxford, U.K.
11. Gonzalez, J. S., S. López, M. D. Carro, and F. J. Ovejero. 1994. Protein degradability and cell wall digestion in the rumen of forage harvested from permanent mountain meadows in relation to NPK fertilization. In: G. C. Fahey, Jr. (Ed.) Proc. of the National Conference on Forage Quality, Evaluation and Utilization. p 57. Univ. of Nebraska, Lincoln.
12. Huntington, J. A., and D. I. Givens. 1995. The in situ technique for studying the rumen degradation of feeds: A review of the procedure. Nutr. Abstr. Rev. Ser. B 65:63-93.
13. Lin, L.I.K. 1989. A concordance correlation coefficient to evaluate reproducibility. Biometrics 45:255-268.
14. López, S., M. D. Carro, J. S. Gonzalez, and F. J. Ovejero. 1991a. Rumen degradation of the main forage species harvested from permanent mountain meadows in Northwestern Spain. J. Agric. Sci. 117:363-369.
15. López, S., M. D. Carro, J. S. Gonzalez, and F. J. Ovejero. 1991b. The effect of method of forage conservation and harvest season on the rumen degradation of forages harvested from permanent mountain meadows. Anim. Prod. 53:177-182.
16. López, S., J. France, and M. S. Dhanoa. 1994. A correction for particulate matter loss when applying the polyester-bag method. Br. J. Nutr. 71:135-137.
17. Mertens, D. R. 1993. Rate and extent of digestion. In: J. M. Forbes and J. France (Ed.) Quantitative Aspects of Ruminant Digestion and Metabolism, pp 13-51. CAB International, Wallingford, U.K.
18. Motulsky, H. J., and L. A. Ransnas. 1987. Fitting curves to data using nonlinear regression: A practical and nonmathematical review. FASEB J. 1:365-374.
19. Nocek, J. E. 1988. In situ and other methods to estimate ruminal protein and energy digestibility: A review. J. Dairy Sci. 71:2051-2069.
20. NRC. 1996. Nutrient Requirements for Beef Cattle (7th Ed.). National Academy Press, Washington, DC.
21. Ørskov, E. R., F. D. De B. Hovell, and F. Mould. 1980. The use of the nylon bag technique for the evaluation of feedstuffs. Trop. Anim. Prod. 5:195-213.
22. Ørskov, E. R., and I. McDonald. 1979. The estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage. J. Agric. Sci. 92:499-503.
23. Ricker, W. E. 1979. Growth rates and models. In: W. S. Hoar, D. J. Randall, and J. R. Brett (Ed.) Fish Physiology, Vol. VIII. pp 677-743. Academic Press, New York.
24. Robinson, P. H., J. G. Fadel, and S. Tamminga. 1986. Evaluation of mathematical models to describe neutral detergent residue in terms of its susceptibility to degradation in the rumen. Anim. Feed Sci. Technol. 15:249-271.
25. SAS. 1988. SAS/STAT® User's Guide (Release 6.03). SAS Inst. Inc., Cary, NC.
26. Schnute, J. 1981. A versatile growth model with statistically stable parameters. Can. J. Fish. Aquat. Sci. 38:1128-1140.
27. Van Milgen, J., and R. Baumont. 1995. Models based on variable fractional digestion rates to describe ruminal in situ digestion. Br. J. Nutr. 73:793-807.
28. Van Milgen, J., M. R. Murphy, and L. L. Berger. 1991. A compartmental model to analyze ruminal digestion. J. Dairy Sci. 74:2515-2529.
29. Zwietering, M. H., I. Jongenburger, F. M. Rombouts, and K. van't Riet. 1990. Modeling of the bacterial growth curve. Appl. Environ. Microbiol. 56:1875-1881.