Hostname: page-component-848d4c4894-hfldf Total loading time: 0 Render date: 2024-05-22T17:07:16.663Z Has data issue: false hasContentIssue false
  • English
  • Français

A note on amino acid digestibility measured in pigs with pre-or post-valve ileo-rectal anastomoses, fed soya-bean, pea and meat meals

Published online by Cambridge University Press:  02 September 2010

S. Green
S. Green
Affiliation:
AEC Nutrition Laboratories, 03600 Commentry, France
Get access

Extract

It is known that microbial activity in the hind-gut of pigs influences the amino acid composition of faeces (Mason, 1984), yet contributes little to protein nutrition (Just, Jørgensen and Fernández, 1985). This diminishes the extent to which amino acid digestibility determined by faecal collection from intact pigs adequately represents nutritional value. In order to minimize the interference of hind-gut microflora, pigs for digestibility trials have been surgically modified to create a by-pass of the large intestine by ileo-rectal anastomosis (e.g. Green, Bertrand, Duron and Maillard, 1987 and 1988). This involves transection of the ileum approximately 100 mm anterior to the ileo/caecal valve. The modification can be considered as an alternative to collecting digesta from cannulas fitted in the ileum. The attributes of ileo-rectal anastomosis are that all digesta, rather than spot samples, can be collected and the animals remain in good health for many months of trial work. There is, however, concern that because the anastomosis operation involves complete severance of the ileum, digestion in the ileum may be abnormal. Of particular concern is the by-pass of the ileo-caecal valve which is suspected to have a restraining rôle on digesta passage (Gazet and Kopp, 1964; Laplace and Borgida, 1976), and therefore a possible influence on digestibility. When using ileo-caecal valve, by fitting the anterior digesta, other workers have attempted to preserve a complete ileum, and functional ileo-caecal value, by fitting the anterior cannula immediately posterior to the valve (Laplace, 1986)

Type
Research Article
Information
Animal Production , Volume 47 , Issue 2 , October 1988 , pp. 317 - 320
Copyright
Copyright © British Society of Animal Science 1988

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Alimon, A. R. and Farrell, D. J. 1980. Studies on pigs prepared with re-entrant cannulas. II. Disappearance of dry matter, nitrogen and amino acids from diets containing different protein sources. Australian Journal of Agricultural Research 31: 627–635.CrossRefGoogle Scholar
Association of Official Agricultural Chemists. 1965. Official Methods of Analysis of the Association of Official Agricultural Chemists. 10th ed. Association of Official Agricultural Chemists, Washington, DC.Google Scholar
Batterham, E. S., Darnell, R. E., Herbert, L. S. and Major, E. I. 1986. Effects of pressure and temperature on the availability of lysine in meat and bone meal as determined by slope-ratio assays with growing pigs, rats and chicks and by chemical techniques. British Journal of Nutrition 55: 441–453.CrossRefGoogle ScholarPubMed
Batterham, E. S., Lowe, R. F., Darnell, R. E. and Major, E. J. 1986. Availability of lysine in meat meal, meat and bone meal and blood meal as determined by the slope-ration assay with growing pigs, rats and chicks and by chemical techniques. British Journal of Nutrition 55: 427–440.CrossRefGoogle ScholarPubMed
Gazet, J. C. and Kopp, J. 1964. The surgical significance of the ileo-caecal junction. Surgery 56: 565–573.Google Scholar
Green, S., Bertrand, S. L., Duron, M. J. C. and Maillard, R. A. 1987. Digestibility of amino acids in maize, wheat and barley meal, measured in pigs with ileo-rectal anastomosis and isolation of the large intestine. Journal of the Science of Food and Agriculture 41: 29–43.CrossRefGoogle Scholar
Green, S., Bertrand, S. L., Duron, M. J. C. and Maillard, R. A. 1988. Digestibility of amino acids in soya-bean, sunflower and groundnut meal, measured in pigs with ileo-rectal anastomosis and isolation of the large intestine. Journal of the Science of Food and Agriculture. 42: 119–128.CrossRefGoogle Scholar
Just, A., Jørgensen, H. and Fernández, J. A. 1985. Correlations of protein deposited in growing female pigs to ileal and faecal digestible crude protein and amino acids. Livestock Production Science 12: 145–159.CrossRefGoogle Scholar
Laplace, J. P. 1986. Amino acid availability in pig feeding. Proceedings of 4th World Congress of Animal Feeding, pp. 109–129. Editorial Garsi, Madrid.Google Scholar
Laplace, J. P. and Borgida, L. P. 1976. [Physiological problems arising from ileal re-entrant fisulation in the pig. Bibliographical and experimental study.] Annales de Zootechnie 25: 361–371.CrossRefGoogle Scholar
Mason, V. C. 1984. Metabolism of nitrogenous compounds in the large gut. Proceedings of the Nutrition Society 43: 45–53.CrossRefGoogle ScholarPubMed
Sauer, W. C. and Ozimek, L. 1986. Digestibility of amino acids in swine: results and their practical applications. A review. Livestock Production Science 15: 367–388.CrossRefGoogle Scholar
Zebrowska, T. 1980. Protein digestion and absorption in the stomach and the small intestine of pigs. In Current Concepts of Digestion and Absorption in Pigs (ed. Low, A. G. and Partridge, I. G.), pp. 52–65. National Institute for Research in Dairying, Reading.Google Scholar