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A study of artificial fibre bag technique for determining the dig estibility of feeds in the rumen
Abstract
SUMMARY: The artificial fibre bag technique was evaluated for assessing the proportions of dietary D. M. and N which disappear in the rumen. The most important factor determining the variability in disappearance from bags incubated together was the sample size in relation to bag size. For incubation of 5 g air dry feed, a bag size of 17 ✗ 9 cm was found to be adequate. There were also variations in substrate disappearance between animals and between days of incubation. It was estimated that three sheep and the measurement of substrate disappearance twice were necessary in order to obtain acceptable repeatability. The technique was found to be satisfactory as a simple and rapid guide for measuring nutrients disappearance in the rumen such as protein degradation and carbohydrate fermentation. It has been used in subsequent work to measure the effect of features of the rumen environment, such as pH and NH 3 concentration, on rate of fermentation.
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Research works printed but not linked: 19
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- Balch, 1962, Regulation of voluntary food intake in ruminants, Nutrition Abstracts and Reviews, 32, 669
- Ørskov E. R. (1976). Nitrogen digestion and utilization in young and lactating ruminants. World Review of Nutrition and Dietetics. (In press).
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- Bullis, 1967, In vivonylon bag dry matter digestibility as a predictor of ration feeding value, Journal of Animal Science, 26, 915
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- Erwin, 1959, Rapid method of determining digestibility of concentrate and roughage in cattle, Journal of Animal Science, 18, 1518
- 10.1017/S0021859600024175 · DOI · Paper page
- Mehrez, 1976, Rates of rumen fermentation in relation to ammonia concentration, Proceedings of Nutrition Society, 35, 50A
- Miles, 1951, Rumen digestion of some crude fibre constituents, Journal of Dairy Science, 34, 492
- 10.1079/BJN19710083 · doi:10.1079/bjn19710083
- Quin, 1938, Studies on the alimentary tract of Merino sheep in South Africa. 4. Description of experimental technique, Onderstepoort Journal of Veterinary Science and Animal Industry, 11, 341
- Rodriguez, 1968, The in vivobag technique in digestibility studies, Revista Cubana de Ciencia Agricola (English edition), 2, 77
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Cited by
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Van Soest, P. J. (2006) · Animal Feed Science and Technology · doi:10.1016/j.anifeedsci.2006.01.023 · Cited by 478
Mode of action of the yeast Saccharomyces cerevisiae as a feed additive for ruminants
Newbold, C. J., Wallace, R. J., & Mcintosh, F. M. (1996) · British Journal Of Nutrition · doi:10.1079/bjn19960029 · Cited by 347
Natural products as manipulators of rumen fermentation
Wallace, R. J., McEwan, N. R., McIntosh, F. M., Teferedegne, B., & Newbold, C. J. (2002) · Asian-Australasian Journal of Animal Sciences · doi:10.5713/ajas.2002.1458 · Cited by 324
Mould, F. L., & Ørskov, E. R. (1983) · Animal Feed Science and Technology · doi:10.1016/0377-8401(83)90002-0 · Cited by 313
Self-citationFilya, I. (2003) · Journal of Dairy Science · doi:10.3168/jds.s0022-0302(03)73963-0 · Cited by 287
Metadata
- Authors
- Mehrez, A. Z., & Ørskov, E. R.
- Venue
- The Journal of Agricultural Science
- Publisher
- Cambridge University Press (CUP)
- Published
- 1977-06
- Volume
- 88
- Issue
- 3
- Pages
- 645-650
- ISSN
- 0021-8596 (ISSN-L)
- 1469-5146
- OpenAlex
- W2051816896
- Cited by
- 791
- References
- 0
- FWCI
- 13.60
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mehrez, A. Z., & Ørskov, E. R. (1977). A study of artificial fibre bag technique for determining the dig estibility of feeds in the rumen. The Journal of Agricultural Science. https://doi.org/10.1017/s0021859600037321
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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