Quantitative aspects of ruminant digestion and metabolism - Phần 5

... Journal of Animal Science 55 , 150 5– 151 4. Siciliano-Jones, J. and Murphy, M.R. (1989) Production of volatile fatty acids in the rumen and caecum-colon of steers as affected by forage:concentrate and ... and extent of protein degradation. In: Tsuda, T., Sasaki, T. and Kawashima, R. (eds) Physio- logical Aspects of Digestion and Metabolism in Ruminants. Academic...

Ngày tải lên: 07/11/2013, 23:15

... valeric and isovaleric acids each Beef and veal Buffalo Goat Mutton and lamb Other ruminants Non-ruminants Non-ruminants Buffalo Sheep Goat Cow Fig. 1.1. Relative contribution of various groups of ruminants ... model is described mathemat- ically and implemented. Requirements for Quantifying Rate and Extent of Digestion Robust quantitative description of the rate and e...

Ngày tải lên: 24/10/2013, 17:15

... 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 ... flow (l/day) DM flow (g/day) 1.4 ( 103 Ru-phen) 0.1642 10.00 57 4.8 0.1246 9.74 57 3.2 1.0 0.1847 10.00 56 8.2 0.1401 9. 75 568.2 0.6 ( 169 Yb) 0.2380 10.00 55 2.0 0.180...

Ngày tải lên: 24/10/2013, 17:15

... (ed.) Rumen Microbial Metabolism and Ruminant Digestion. INRA Editions, Paris, pp. 353 – 355 . Czerkawski, J.W. and Breckenridge, G. (1977) Design and development of a long-term rumen simulation technique ... Acta Agricul- turae Scandinavica (Suppl. 25) , 132–144. Hvelplund, T., Andrieu, J., Weisbjerg, M.R. and Vermorel, M. (19 95) Prediction of the energy and protein value...

Ngày tải lên: 29/10/2013, 00:15

... Journal of Animal Science 54 , 8 85 894. Weston, R.H. (1983) The effect of cold exposure on various aspects of digestion and metabolism in roughage-fed sheep. Proceedings of the Nutrition Society of Australia ... L.A.A., Degryse, A.D. and van Miert, A.S.J.P.A.M. (eds) Physiological and Pharmaco- logical Aspects of the Reticulo-rumen. Martinus Nijhoff, Dordrecht, The...

Ngày tải lên: 29/10/2013, 00:15

... Lactate S. ruminantium 0.72 0. 35 0.67 0.06 0.64 0. 15 B. ruminicola 0 .56 0 .52 0.62 0.20 0.04 B. fibrisolvens 0.39 0 .54 0 .52 0 .53 0. 45 S. bovis 2.04 1. 85 2.10 1.83 M. elsdenii 0. 45 0 .55 0.14 0.21 Rumen ... Lactate S. ruminantium 0. 95 0.83 1. 25 1.11 B. ruminicola 0 .59 2.1 5. 0 4.0 B. fibrisolvens 0 .5 0 .5 0.83 0.62 0.71 S. bovis 20.0 2.94 3 .5 5.88 M. elsdenii 0 .53 1.6...

Ngày tải lên: 07/11/2013, 23:15

... (1991a) A re-assessment of bacterial growth efficiency: the heat production and membrane potential of Streptococcus bovis in batch and continuous culture. Archives of Microbiology 155 , 55 9 56 5. Russell, ... Microbiology 37, 53 7 54 3. Russell, J.B. and Cook, G.M. (19 95) Energetics of bacterial growth: balance of anabolic and catabolic reactions. Microbiological Reviews...

Ngày tải lên: 07/11/2013, 23:15

... K.L. and Clapperton, J.L. (19 65) Prediction of the amount of methane pro- duced by ruminants. British Journal of Nutrition 19, 51 1 52 2. Bugaut, M. (1987) Occurrence, absorption and metabolism of ... to almost 100%) and many trials showed a relatively low starch digestibility and high escape from rumen fermentation. With high levels of − 150 −1 25 −100 − 75 50 − 25...

Ngày tải lên: 15/12/2013, 08:15

... label. HO C COH OH OH OH OH H H D D DC C C C D HO C COH OH OH OH OPO 3 H H D D DC C C C D H C CO OH HO OH OH OPO 3 H H D DC C C C D H (2,3,6,6D 4 )-Glucose (2,3,6,6D 4 )-Glucose-6-P (3,6,6D 3 )-Fructose-6-P Fig. 11.2. A schematic representation of the loss of label from the 2-position, but not the 3 and 6 positions, of glucose ... 2600 2900 À 45 55 53 À2 .5 À3.0 À4.3 Lactate 761 892...

Ngày tải lên: 15/12/2013, 08:15

... D.B. and West, C.E. (1967a) 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 ... Ellman, M.G. and Miles, J.M. (1988) Choice of infusion- sampling mode for tracer studies of free fatty acids metabolism. American Journal of Physiology 254 , E562–E5...

Ngày tải lên: 15/12/2013, 09:15