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Quantitative aspects of ruminant digestion and metabolism - Phần 6

Quantitative aspects of ruminant digestion and metabolism - Phần 6

Quantitative aspects of ruminant digestion and metabolism - Phần 6

... T., Harmeyer, J. and Breves, G. (19 86) The passage of protozoa from the reticulo-rumen through the omasum of sheep. British Journal of Nutrition 56, 62 5 63 4. 2 26 M.K. Theodorou and J. France ... examples of this type of neutra- listic interaction, the degradation of oxalate by Oxalobacter formigenes (Dawson et al., 1980) and 3-hydroxy- 4-1 (H)-pyridone degradation by unidentified Gram- negative ... Quantitative Aspects of Ruminant Digestion and Metabolism, 2nd edition (eds J. Dijkstra, J.M. Forbes and J. France) 207 some comminution of digesta particles occurs by repeated rhythmic contrac- tions and...
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Quantitative aspects of ruminant digestion and metabolism - Phần 1

Quantitative aspects of ruminant digestion and metabolism - Phần 1

... Other ruminants Non-ruminants Non-ruminants Buffalo Sheep Goat Cow Fig. 1.1. Relative contribution of various groups of ruminants and non-ruminants to the production of meat (left graph) and milk ... Library of Congress, Washington, DC, USA. Library of Congress Cataloging-in-Publication Data Quantitative aspects of ruminant digestion and metabolism / edited by J. Dijkstra, J. M. Forbes, and J. ... and relatively easy to trap, became prime targets of hunters and, eventually, were domesticated and farmed. Today, ruminants account for almost all of the milk and approxi- mately one-third of...
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Quantitative aspects of ruminant digestion and metabolism - Phần 2

Quantitative aspects of ruminant digestion and metabolism - Phần 2

... 1.4 ( 103 Ru-phen) 0. 164 2 10.00 574.8 0.12 46 9.74 573.2 1.0 0.1847 10.00 568 .2 0.1401 9.75 568 .2 0 .6 ( 169 Yb) 0.2380 10.00 552.0 0.18 06 9. 76 555 .6 60 G.J. Faichney concentration of the solute ... sheep given chopped ( * -- -- * ) or ground ( * — * ) lucerne hay (Van Soest, 1982); and (c) digesta leaving the stomach of sheep given chopped ( * -- -- * ) or ground and pelleted ( * — * ) lucerne ... because of its role both in the processes of digestion and absorp- tion and in the expression of voluntary feed consumption. The Nature of Digesta The ruminant GI tract consists of a succession of...
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Quantitative aspects of ruminant digestion and metabolism - Phần 3

Quantitative aspects of ruminant digestion and metabolism - Phần 3

... incubations â Short- or medium-term experiments â Non-steady-state conditions 2. Continuous cultures â Medium- or long-term experiments â Quasi-steady-state conditions â Types: . 2a. The semi-permeable ... cultures, and enable the study of long-term (weeks) effects of factors affecting the microbial population and the digestion of nutrients under controlled conditions of pH, turnover rate and nutrient ... analysis of the disappearance profiles (Chapter 2) and will depend on the shape of the curve (Michalet-Doreau and Ould-Bah, 1992). More frequent measurements are required in the first 24 h of incuba-...
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Quantitative aspects of ruminant digestion and metabolism - Phần 4

Quantitative aspects of ruminant digestion and metabolism - Phần 4

... (Weston, 19 96) . An understanding of particle kinetics of digestion and passage from the RR is important in the prediction of yields of microbial protein and substrates provid- ing energy for ruminant ... of the leaf and stem com- ponents by removal of cuticle, crushing and separation of vascular bundles and other plant tissues, and release of plant cell contents (Ulyatt et al., 19 86; Wilson and ... of the breakdown process of (A) leaves of tropical and temperate grasses and of legumes, and (B) mature stems of grass and legume, during eating and initial (0 6 h) digestion in the rumen to...
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Quantitative aspects of ruminant digestion and metabolism - Phần 5

Quantitative aspects of ruminant digestion and metabolism - Phần 5

... Tiererna¨hrung 31, 68 5 69 6. Leng, R.A. and Brett, D.J. (1 966 ) Simultaneous measurements of the rates of produc- tion of acetic, propionic and butyric acids in the rumen of sheep on different diets and the ... 63 24 13 3 .61 Leng and Brett (1 966 ) Maize:lucerne chaff (1:1) 0 .6 c 73 65 21 14 3.11 Leng and Brett (1 966 ) Steers Lucerne hay:concentrate (4:1) 7.99 a 103 73 18 9 50.1 Siciliano-Jones and Murphy ... Siciliano-Jones and Murphy (1989) Concentrate:lucerne hay (4:1) 8. 56 a 108 67 22 12 54.1 Siciliano-Jones and Murphy (1989) Concentrate:lucerne hay:lucerne pellets ( 16: 1:3) 8.94 a 118 63 26 12 42.3...
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Quantitative aspects of ruminant digestion and metabolism - Phần 7

Quantitative aspects of ruminant digestion and metabolism - Phần 7

... standard of the product, and the use of the name by the USDA implies no approval of the product, and exclusion of others that may be suitable. ß CAB International 2005. Quantitative Aspects of ... measured. S. ruminantium also has a PTS for glucose (Martin and Russell, 19 86) and stores large amounts of glycogen (Strobel and Russell, 1991). The rapid death rate of S. ruminantium (Mink and Hespell, ... deamination (Van Nevel and Demeyer, 1977; Russell and Martin, 1984), but most active ammonia-producing bacteria were Gram-negative (Bla- den et al., 1 961 ) and resistant to monensin (Chen and Wolin, 1979)....
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 8 docx

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 8 docx

... conc.D-ST grassD-ST maizeD-ST conc.D-ST grassD-ST maizeD-ST conc.D-P grassD-P maizeD-P conc.D-P grassD-P maizeD-P conc.LargeparticlesSmallparticlesS-ST/SCS-NDF S-PCellul. Micr. ... 2005. Quantitative Aspects of Ruminant Digestion and Metabolism, 2nd edition (eds J. Dijkstra, J.M. Forbes and J. France) 263 (around 5% of N). As a result, during grazing or when ruminants are fed ... P.N. and Keynes, R.D. (eds) Physiology of Digestion and Metabolism in the Rumin-ant. Oriel Press, Newcastle-upon-Tyne, UK, pp.319–334.Baldwin, R.L., Thornley, J.H.M. and Beever, D.E. (1987) Metabolism...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 9 pptx

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 9 pptx

... 2005. Quantitative Aspects of Ruminant Digestion and Metabolism, 2nd edition (eds J. Dijkstra, J.M. Forbes and J. France)291In fasted, pregnant and lactating sheep about 26% , 30% and 16% , re-spectively, ... from the 6- position during the metabolism of pyruvate (seeFig. 11.2). When glucose goes to fructose -6 - phosphate and back to glucose,the 2-label will show a loss of glucose, but the 6- label will ... Effect of exercise on net hepatic uptake of lactate, pyruvate,alanine and glycerol in sheep. Canadian Journal of Physiology and Pharmacol-ogy 65 , 2 065 –2070.Glucose and Short-chain Fatty Acid Metabolism...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 10 pptx

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 10 pptx

... D.B. and West, C.E. (1 967 a) Rates of entry and oxidation of acetate, glucose,D (-) -b-hydroxy-butyrate, palmitate, oleate and stearate, and rates of production and oxidation of propionate and ... emphasize the quantitative aspects of NEFA metabolism. Composition and Sources of Plasma NEFA and TAGThe metabolically most active pool of long-chain fatty acids is transported and metabolized ... of plasma NEFA and TAGEstimates of lipid absorption in sheep fed roughage-based diets are in the order of 12 to 16 g/day of TAG (Harrison and Leat, 1972; Pullen et al., 1988).NEFA content of...
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