Supplementation of selenium to sheep grazing kikuyu or ryegrass: II. Effect on selenium concentration in the grass and body tissues

South African Journal of Animal Science

Volumn 29, Issue 3, 1999, Pages 145-153

  Van Ryssen, J B J ^a   Coertze, R J ^a   De Villiers, J F ^b  

^a UNIVERSITY OF PRETORIA   (South Africa)

^b KwaZulu Natal Department of Agriculture   (South Africa)

Author keywords

Fertilized; Kikuyu; Parenteral; Ryegrass; Selenium; Sheep; Toxicity

Indexed keywords

ANIMALIA; LOLIUM; LOLIUM MULTIFLORUM; OVIS ARIES; PENNISETUM CLANDESTINUM; PENNISETUM GLAUCUM;

EID: 0033258826     PISSN: 03751589     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (23)

1. ALLEN, W.M. & MALLINSON, C.B., 1984. Parenteral methods of supplementation with copper and selenium. Vet. Rec. 114, 451.
2. ARCHER, J.A. & JUDSON, G.J., 1994. Selenium concentrations in tissues of sheep given a subcutaneous injection of barium selenate or sodium selenate. Aust. J. Exp. Agric. 34, 581.
3. DAVIES, E.B. & WATKINSON, J.H., 1966. Uptake of native and applied selenium by pasture species: 1. Uptake of Se by browntop, ryegrass, cocksfoot and white clover from Atiamuri sand. N. Z. J. Agric. Res. 9, 317.
4. ECHEVARRIA, M.G., HENRY, P.R., AMMERMAN, C.B. & RAO, P. V., 1988. Effects of time and dietary selenium concentration as sodium selenite on tissue selenium uptake by sheep. J. Anim. Sci. 66, 2299.
5. GISSEL-NIELSEN, G., 1993. General aspects of selenium fertilization. Norwegian J. Agric. Sci. Suppl. 11, 135.
6. GRACE, N.D. & CLARK, R.G., 1991. Trace element requirements, diagnosis and prevention in sheep and cattle. In: Physiological aspects of digestion and metabolism in ruminants. Eds. Tsuda, T., Sasaki, Y. & Kawashima, R., Academic Press, Inc. London, p. 321.
7. HAKKARAINEN, J., 1993. Bioavailability of selenium. Norwegian J. Agric. Sci., Suppl. 11, 21.
8. HENRY, P.R., ECHEVARRIA, M.G., AMMERMAN, C.B. & RAO, P. V., 1988. Estimation of the relative biological availability of inorganic selenium sources for ruminants using tissue uptake of selenium. J. Anim. Sci. 66, 2306.
9. HIGGINS, S.P. & FEY, M.V., 1993. Selenium in some grass pastures of Natal and fertilizer-induced Se uptake by ryegrass (Lolium multiflorum). S. Afr. J. Plant Soil. 10, 188.
10. KOH, T-S. & BENSON T.H., 1983. Critical re-appraisal of fluorometric method for determination of selenium in biological materials. J. Assoc. Off. Anal. Chem. 66, 918.
11. LANGLANDS, J.P., BOWLES, J.E., DONALD, G.E. & SMITH, A.J., 1986. Selenium excretion in sheep. Aust. J. Agric. Res. 37, 201.
12. LANGLANDS, J.P., DONALD, G.E., BOWLES, J.E. & SMITH, A.J., 1990. Selenium supplementation for grazing sheep. 1. A comparison between soluble salts and other forms of supplement. Anim. Feed Sci. Tech. 28, 1.
13. MASTERS, D.G., WHITE, C.L., PETER, D.W., PURSER, D.B., ROE, S.P. & BARNES, M.J., 1992. A multi element supplement for grazing sheep. II. Accumulation of trace elements in sheep fed different levels of supplement. Aust. J. Agric. Res. 43, 809.
14. MAYLAND, H.F., 1994. Selenium in plant and animal nutrition. In: Selenium in the environment. Eds. Frankenberger, W.T. & Benson, S: Marcel Dekker, Inc. New York. pp. 29.
15. MILES, N., 1991. Nutrition of intensive pastures in the summer rainfall areas of southern Africa. J. Grassl. Soc. S. Afr. 8, 39.
16. MONEY, D.F.L., MEADS, W.J. & MORRISON, L., 1986. Selenised compressed salt blocks for selenium deficient sheep. N. Z. Vet. J. 34, 81.
17. SAMUEL, M.L., 1989. Statistics for the life sciences. Collier MacMillan Publishers, London, p. 505.
18. STATISTICAL ANALYSIS SYSTEM, 1994. SAS User's Guide: Statistics Version 6. SAS Institute Inc. Cary, NC., USA.
19. VAN RYSSEN, J.B.J., BRADFIELD, G.D., VAN MALSEN, S. & DE VILLIERS, J.F., 1992. Response to selenium supplementation of sheep grazing cultivated pastures in the Midlands of Natal. J. S. Afr. Vet. Assoc. 63, 148.
20. VAN RYSSEN, J.B.J., DE VILLIERS, J.F. & COERTZE, R.J., 1999. Supplementation of selenium to sheep grazing kikuyu and ryegrass: I. Selenium status of unsupplemented sheep and animal performance upon supplementation. S. Afr. J. Anim. Sci. 29, 137-144.
21. VAN RYSSEN, J.B.J., VAN MALSEN, P.S.M. & HARTMANN, F., 1998. Contribution of dietary sulphur to the interaction between selenium and copper in sheep. J. Agric. Sci., Camb. 130, 107.
22. WATKINSON, J.H., 1983. Prevention of selenium deficiency in grazing animals by annual topdressing of pasture with sodium selenate. N.Z. Vet. J. 31, 78.
23. WHELAN, B.R., PETER, D.W. & BARROW, N.J., 1994. Selenium fertilizers for pastures grazed by sheep. I. Selenium concentrations in whole blood and plasma. Aust. J. Agric. Res. 45, 863.