Hostname: page-component-586b7cd67f-t8hqh Total loading time: 0 Render date: 2024-11-20T09:27:37.717Z Has data issue: false hasContentIssue false
  • English
  • Français

Mineral balance studies on lactating ewes with particular reference to the metabolism of magnesium

Published online by Cambridge University Press:  27 March 2009

J. L. L'Estrange  and
R. F. E. Axford
J. L. L'Estrange
Affiliation:
Department of Biochemistry and Soil Science, University College of North Wales, Bangor
R. F. E. Axford
Affiliation:
Department of Biochemistry and Soil Science, University College of North Wales, Bangor
Get access Rights & Permissions [Opens in a new window]

Extract

1. Balance experiments, in which urine was collected by a catheter inserted into the bladder, were carried out on four lactating ewes on two diets of fresh spring herbage and on one of hay plus cake, and the metabolism of magnesium, calcium, phosphorus, potassium and sodium were studied.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 67 , Issue 3 , December 1966 , pp. 295 - 304
Copyright
Copyright © Cambridge University Press 1966

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

Ashton, W. M., Owen, J. B. & Ingleton, J. W. (1964). A study of the composition of Clun Forest ewe's milk. J. agric. Sci., Camb. 63, 85–90.CrossRefGoogle Scholar
Butler, E. J. (1963). The mineral element content of spring pasture in relation to the occurrence of grass tetany and hypomagnesaemia in dairy cows. J. agric. Sci. Camb. 60, 329–40.CrossRefGoogle Scholar
Care, A. D. (1960). Proc. Conf. on Hypomagnesaemia, B.V.A. London, pp. 8–12.Google Scholar
Cunningham, I. J. (1936). Grass staggers and magnesium metabolism. N.Z. Jl Sci. Technol. 18, 424–8.Google Scholar
Duthie, J. F. (1959). A sheep metabolic cage for mineral balance and radio-isotope experiments. Lab. Pract. 8, 408–14.Google Scholar
Du Toit, P. J., Malan, A. I. & Groenewald, J. W. (1931). Studies in mineral metabolism. Phosphorus in the nutrition of sheep. 17th Rep. Div. Vet. Ser. and Anim. Indust., Union S. Africa, pp. 353–72.Google Scholar
Field, A. C. (1961). Studies on magnesium in ruminant nutrition. The effect of abrupt changes in the nature of the diet on the urinary magnesium excretion of sheep. Br. J. Nutr. 15, 287–95.CrossRefGoogle ScholarPubMed
Field, A. C. (1962). Studies on magnesium in ruminant nutrition. Magnesium balance studies on sheep given different amounts of grass nuts. Br. J. Nutr. 16, 99–107CrossRefGoogle ScholarPubMed
Field, A. C., McCallum, J. W. & Butler, E. J. (1958). Studies on magnesium in ruminant nutrition. Balance experiments on sheep with herbage from fields associated with lactation tetany and from control pastures. Br. J. Nutr. 12, 433–46.CrossRefGoogle ScholarPubMed
Fontenot, J. P., Miller, R. W., Whitehair, L. K. & MacVicar, R. (1960). Effect of a high-protein, highpotassium, ration on the mineral metabolism of lambs. J. Anim. Sci. 19, 127–33.CrossRefGoogle Scholar
Hemingway, R. G., Ritchie, N. S., Brown, N. A. & Peart, J. N. (1965). Effects of grazing management on plasma calcium and magnesium concentration of ewes in early lactation. J. agric. Sci., Camb. 64, 109–13.CrossRefGoogle Scholar
Hix, E. L., Evans, L. E. & Underbjerg, G. K. L. (1953). Extracellular water and dehydration in sheep. J. Anim. Sci. 12, 459–73.CrossRefGoogle Scholar
Horst, C. J. G. van der (1960). Balance experiments with milking cows. Tijdschr. Diergeneesk. 85, 1060–88.Google Scholar
Horst, C. J. G. van der & Hendricks, H. J. (1958). Balance trials with milking cows. Tijdschr. Diergeneesk. 83, 1162–74.Google Scholar
Kemp, A., Deys, O., Hemkes, O. J. & van Es, A. J. H. (1961). Hypomagnesaemia in milking cows: intake and utilization of magnesium from herbage by lactating cows. Neth. J. agric. Sci. 9, 134–49.Google Scholar
L'Estrange, J. L. & Axford, R. F. E. (1964b). A study of serum mineral changes in lactating Welsh mountain ewes under different grazing conditions with special reference to hypomagnesaemia. J. agric. Sci., Camb. 62, 341–51.CrossRefGoogle Scholar
L'Estrange, J. L. & Axford, R. F. E. (1964a). A study of magnesium and calcium metabolism in lactating ewes fed a semi-purified diet low in magnesium. J. agric. Sci., Camb. 62, 353–68.CrossRefGoogle Scholar
Lofgreen, G. P. & Kleiber, M. (1954). Further studies on the availability of phosphorus in alfalfa hay. J. Anim. Sci. 13, 258–64.CrossRefGoogle Scholar
Owen, J. B. (1957). A study of the lactation and growth of hill sheep in their native environment and under lowland conditions. J. agric. Sci., Camb. 48, 387–412.CrossRefGoogle Scholar
Paterson, R. & Crichton, C. (1960). Grass staggers in large scale dairying on grass. J. Br. Qrassld Soc. 15, 100–5.CrossRefGoogle Scholar
Rook, J. A. F. & Balch, C. C. (1958). Magnesium metabolism in the dairy cow. II. Metabolism during the spring grazing season. J. agric. Sci., Camb. 51, 199–207.CrossRefGoogle Scholar
Rook, J. A. F., Balch, C. C. & Line, C. (1958). Magnesium metabolism in the dairy cow. I. Metabolism on stall rations. J. agric. Sci., Camb. 51, 189–98.CrossRefGoogle Scholar
Ross, D. B. (1960). Some observations on the effects of changes in environmental conditions and diet in ewes. Vet. Rec. 72, 364–6.Google Scholar
Stillings, B. R., Bratzler, J. W., Marriott, L. F. & Miller, R. C. (1964). Utilization of magnesium and other minerals by ruminants consuming low and high nitrogen-containing forages and vitamin D. J. Anim. Sci. 23, 1148–54.CrossRefGoogle Scholar
Williams, D. H. (1955). M.Sc. Thesis, University of Wales.Google Scholar