Short-term changes in whole body and skin sulfur amino acid metabolism of sheep in response to supplementary cysteine

Australian Journal of Agriculture Research

Volumn 48, Issue 2, 1997, Pages 137-146

  Harris, P M ^a   Sinclair, B R ^a   Treloar, B P ^a   Lee, J ^a  

^a AGRESEARCH GRASSLANDS   (New Zealand)

Author keywords

methionine; protein; skin; wool

Indexed keywords

MEDICAGO SATIVA; OVIS ARIES;

EID: 0030891292     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/A96057     Document Type: Article

References (23)

1. Baldwin, J. A., Horton, G. M. J., Wohlt, J. E., Palatini, D. D., and Emanuele, S. M. (1993). Rumen-protected methiomne for lactation, wool and growth in sheep. Small Ruminant Research 12, 125-32.
2. Black, J. L., and Reis, P. J. (1979). Speculation on the control of nutrient partition between wool growth and other body functions. In 'Physiological and Environmental Limitations to Wool Growth'. (Eds J. L. Black and P. J. Reis.) pp. 193-208. (University of New England Publishing Unit: Armidale, NSW.)
3. Collins, R. M., Hinds, F. C., and Riley, M. L. (1992). Influence of level of feed intake and added methionine on wool growth. Proceedings of the Western Section, American Society of Animal Science 43, 523-6.
4. Cottle, D. J., and Carter, R. R. (1992). Overcoming seasonal depression in wool production in Romney Marsh ewes by feed supplementation. Proceedings of the Australian Society of Animal Production 19, 135-7.
5. Dellow, D. W., Harris, P. M., and Sinclair, B. R. (1988). Measurement of blood flow in the skin of sheep. Proceedings of the New Zealand Nutrition Society 13, 130-3.
6. Griffith, O. W. (1987). Mammalian sulfur amino acid metabolism: an overview. Methods in Enzymology 143, 366-76.
7. Harris, P. M., Dellow, D. W., and Sinclair, B. R. (1989). Preliminary 'in vivo' measurement of protein and energy metabolism in the skin of sheep. Australian Journal of Biological Science 40, 879-88.
8. Harris, P. M., Lee, J., Gurnsey, M. P., Dellow, D. W., and Sinclair, B. R. (1993). Measurement of blood flow and metabolite uptake by the skin of fleeceweight-selected and control Romney rams. Australian Journal of Agricultural Research 44, 255-64.
9. Harris, P. M., Lee, J., Sinclair, B. R., Treloar, B. P., and Gurnsey, M. P. (1994a). The effect of food intake on energy and protein metabolism in the skin of Romney sheep. British Journal of Nutrition 71, 647-60.
10. Harris, P. M., Lee, J., Sinclair, B. R., and Treloar, B. P. (19946). The effect of whole body cysteine supplementation on cysteine utilization by the skin of the well-fed sheep. Proceeding of the New Zealand Society of Animal Production 54, 139-42.
11. Hynd, P. I. (1989). Factors influencing cellular events in the wool follicle. In 'The Biology of Wool and Hair'. (Eds G. E. Rogers, P. J. Reis, K. A. Ward, and R. C. Marshall.) pp 169-84. (Chapman and Hall: London and New York.)
12. Kelly, K. E., Harris, P. M., Birtles, M. J., Dellow, D. W., and Hall, A. J. (1993). Cell proliferation in the wool follicles of fleeceweight selected and control Romney rams. Australian Journal of Agricultural Research 44, 239-53.
13. Lee, J., Harris, P. M., Sinclair, B. R., and Treloar, B. P. (1993). Whole body metabolism of cysteine and glutathione and their utilization in the skin of Romney sheep: consequences for wool growth. Journal of Agricultural Science (Cambridge) 121, 111-24.
14. Lee, J., Harris, P. M., Sinclair, B. R., and Treloar, B. P. (1995). Sulfur amino acid metabolism and protein synthesis in young sheep fed ryegrass pasture or two Lotus cultivars containing condensed tannin. Australian Journal of Agricultural Research 46, 1587-1600.
15. Lines, E. W., and Peirce, A. W. (1931). The basal (standard) metabolism of the Australian Merino sheep. C.S.I.R.O. Bulletin No 55.
16. Lobley, G. E. (1992). Control of the metabolic fate of amino acids in ruminants: a review. Journal of Animal Science 70, 3564-75.
17. Masters, D. G., Stewart, C. A., and Connell, P. J. (1993). Changes in plasma amino acid patterns and wool growth during late pregnancy and early lactation on the ewe. Australian Journal of Agricultural Research 44, 945-57.
18. Reis, P. J. (1989). The influence of absorbed nutrients on wool growth. In 'The Biology of Wool and Hair'. (Eds G. E. Rogers, P. J. Reis, K. A. Ward, and R. C. Marshall.) pp. 185-204. (Chapman and Hall: London and New York.)
19. SAS (1985). 'SAS User's Guide: Statistics, Version 5.' (SAS Institute Inc.: Cary, NC.)
20. Shotwell, M. A., Kilberg, M. S., and Oxender, D. L. (1983). The regulation of neutral amino acid transport in mammalian cells. Biochimica Biophysica Acta 737, 267-84.
21. Staples, L. D., McPhee, S. R., Williams, A. H., and Johnson, R. J. (1992a). Stimulation of wool growth with protected methionine in wethers fed diets containing different types of grain and levels of roughage. Proceedings of the Nutrition Society of Australia 17, 67-70.
22. Staples, L. D., McPhee, S. R., Williams, A. H., and Johnson, R. J. (1992b). Rumen protected DL-methionine stimulates wool and body growth in grain supplemented Merino ewe lambs on summer pasture. Proceedings of the Nutrition Society of Australia 17, 75-9.
23. Tagari, H., and Bergman, E. N. (1978). Intestinal disappearance and portal blood appearance of amino acids in sheep. Journal of Nutrition 108, 790-803.