Feed intake, digestion, and renal function in Merino sheep selected for higher clean fleece weight

Australian Journal of Agricultural Research

Volumn 49, Issue 1, 1998, Pages 107-112

  Faichney, G J ^a,b   Welch, R J ^a,b   Brown, G H ^a  

^a CSIRO   (Australia)

^b IAPP Biometrics Unit ^*  (Australia)

Author keywords

Creatinine clearance; Extra cellular fluid; Fractional excretion; Glomerular filtration rate; U P ratio; Urea clearance; Urea synthesis

Indexed keywords

EID: 0031984452     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/A97091     Document Type: Article

References (27)

1. Campbell, E. A., and White, G. A. (1967). Renal function in heifers. Australian Journal of Agricultural Research 18, 841-8.
2. Chambers, J. M., and Hastie, T. J. (1992). 'Statistical Models in S.' (Wadsworth and Brooks/Cole Advanced Books & Software: Pacific Grove, CA.)
3. Corbeil, R. R., and Searle, S. R. (1976). Restricted maximum likelihood (REML) estimation of variance components in the mixed model. Technometrics 18, 31-8.
4. Dolling, C. H. S., and Carpenter, M. T. (1962). Water consumption at pasture of Merino sheep selected for high wool production. Proceedings of the Australian Society of Animal Production 4, 172-4.
5. Dolling, C. H. S., and Piper, L. R. (1968). Efficiency of conversion of food to wool. III. Wool production of ewes selected for high clean wool weight and of random control ewes on restricted and unrestricted food intakes in pens. Australian Journal of Agricultural Research 19, 1009-28.
6. Faichney, G. J. (1974). The effect of formaldehyde treatment of a casein supplement on urea excretion and on digesta composition in sheep. Australian Journal of Agricultural Research 25, 599-612.
7. 51CrEDTA in and its clearance from the body of Merino sheep selected for higher clean fleece weight. Proceedings of the Nutrition Society of Australia 17, 148.
8. Faichney, G. J., and Welch, R. J. (1993). Endogenous true creatinine excretion by Merino sheep. In 'Proceedings of the XV International Congress of Nutrition, Abstracts'. Vol. 2, p. 709.
9. Faichney, G. J., and Welch, R. J. (1994). Renal excretion of allantoin and creatinine in Merino sheep selected for higher clean fleece weight. Proceedings of the Society of Nutritional Physiology 3, 113.
10. Faichney, G. J., and White, G. A. (1983). 'Methods for the Analysis of Feeds Eaten by Ruminants.' (CSIRO: Melbourne.)
11. Faichney, G. J., and White, G. A. (1987). Effects of maternal nutritional status on fetal and placental growth and on fetal urea synthesis in sheep. Australian Journal of Biological Science 40, 365-77.
12. Ford, A. L., and Milligan, L. P. (1970). Tracer studies of urea recycling in sheep. Canadian Journal of Animal Science 50, 129-35.
13. Graham, N. M. (1968). The metabolic rate of Merino rams bred for high or low wool production. Australian Journal of Agricultural Research 19, 821-4.
14. Haeckel, R. (1981). Assay of creatinine in serum, with use of fuller's earth to remove interferents. Clinical Chemistry 27, 179-83.
15. Hough, G. M., Williams, A. J., McDowell, G. H., and Annison, E. F. (1988). Blood metabolites in ewes selectively bred for high or low clean fleece weights: possible use for selection for superior animals. Proceedings of the Australian Society of Animal Production 17, 422.
16. Jones, B., and Kenwood, M. G. (1989). 'Design and analysis of cross-over trials'. In 'Monographs on Statistics and Applied Probability No. 34'. (Chapman and Hall: London.)
17. Ladegaard-Pedersen, H. J. (1972). Measurement of extracellular volume and renal clearance by a single injection of inulin. Scandinavian Journal of Clinical and Laboratory Investigation 29, 145-53.
18. McCutcheon, S. N., Mackenzie, D. D. S., and Blair, H. T. (1987). Nitrogen metabolism and plasma urea concentrations in fleeceweight-selected and control Romney rams. Australian Journal of Agricultural Research 38, 917-26.
19. Piper, L. R., and Dolling, C. H. S. (1966). Variation in the sulphur content of wool of Merino sheep associated with genetic differences in wool-producing capacity. Australian Journal of Biological Science 19, 1179-82.
20. Piper, L. R., and Dolling, C. H. S. (1969a). Efficiency of conversion of food to wool IV. Comparison of sheep selected for high clean wool weight with sheep from a random control group at three levels of dietary protein. Australian Journal of Agricultural Research 20, 561-78.
21. Piper, L. R., and Dolling, C. H. S. (1969b). Efficiency of conversion of food to wool V. Comparison of the apparent digestive ability of sheep selected for high clean wool weight with that of sheep from a random control group. Australian Journal of Agricultural Research 20, 579-87.
22. Stacy, B. D., and Thorburn, G. D. (1966). Chromium-51 ethylenediaminetetraacetate for estimation of glomerular filtration rate. Science 152, 1076-7.
23. Thomson, B. C., Dellow, D. W., and Barry, T. N. (1989). The effect of selection for fleece weight upon urea metabolism and digestive function in Romney sheep. Australian Journal of Agricultural Research 40, 1065-74.
24. Thornton, R. F., and Wilson, B. W. (1972). Factors affecting the urinary excretion of urea nitrogen in cattle. III. High plasma urea nitrogen concentrations. Australian Journal of Agricultural Research 23, 727-34.
25. Turner, H. N. (1959). Ratios as criteria for selection in animal or plant breeding, with particular reference to efficiency of food conversion in sheep. Australian Journal of Agricultural Research 10, 565-80.
26. Williams, A. J. (1979). Speculations on the biological mechanisms responsible for genetic variation in the rate of wool growth. In 'Physiological and Environmental Limitations to Wool Growth'. (Eds J. L. Black and P. J. Reis.) pp. 337-54. (University of New England Publishing Unit: Armidale, NSW.)
27. Williams, A. J., Thornberry, K. J., and Nicol, H. (1991). A comparative investigation of the volumes of plasma and extracellular fluids and the renal clearance of urea and creatinine in Merino sheep from flocks with different genetic capacities for wool growth. Australian Journal of Agricultural Research 42, 1311-21.