Hostname: page-component-cd9895bd7-p9bg8 Total loading time: 0 Render date: 2024-12-28T04:10:18.411Z Has data issue: false hasContentIssue false
  • English
  • Français

The effect of a change in blood acid-base status on body composition and mineral retention in growing lambs

Published online by Cambridge University Press:  02 September 2010

H. Abu Damir ,
D. Scott ,
J. K. Thomson ,
J. H. Topps ,
W. Buchan  and
K. Pennie
H. Abu Damir
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
D. Scott
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
J. K. Thomson
Affiliation:
School of Agriculture, 581 King Street, Aberdeen AB9 1UD
J. H. Topps
Affiliation:
School of Agriculture, 581 King Street, Aberdeen AB9 1UD
W. Buchan
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
K. Pennie
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
Get access

Abstract

Three groups of lambs of about 25 kg live weight were given a concentrate diet either on its own (eight lambs) or supplemented with 10 g/kg ammonium chloride (eight lambs) or 20 g/kg sodium bicarbonate (12 lambs). At about 45 kg live weight the lambs were killed and their body composition was determined. The composition of their gains was also determined using information obtained from a fourth group of lambs (eight lambs) which were killed at the start of the experiment. Lambs given the ammonium chloride diet showed a reduction in blood pH while those given the sodium bicarbonate diet showed an increase to levels seen in lambs given forage diets. There were also marked effects on calcium (Ca), phosphorus (P) and magnesium retention with retentions being reduced in those given the ammonium chloride diet and increased in those given the bicarbonate diet. The average rates of retention of Ca and P in lambs given the bicarbonate diet were 9·1 and 5·9 g/kg empty-body weight gain and are comparable with rates seen in lambs given forage diets. These results suggest that dietary induced changes in blood acid-base status is a major factor contributing to the lower rates of retentions of these minerals in lambs given cereal-based diets.

Keywords

acid base equilibriumbody compositioncalciumlambsphosphorus
Type
Research Article
Information
Animal Production , Volume 51 , Issue 3 , December 1990 , pp. 527 - 534
Copyright
Copyright © British Society of Animal Science 1990

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

Agricultural Research Council. 1980. The Nutrient Requirements of Ruminant Livestock. Commonwealth Agricultural Bureaux, Slough.Google Scholar
Barzel, U. S. and Jowsey, J. 1969. The effects of chronic acid and alkali administration on bone turnover in adult rats. Clinical Science 36: 517–524.Google Scholar
Block, E. 1984. Manipulating dietary anions and cations for prepartum dairy cows to reduce incidence of milk fever. Journal of Dairy Science 67: 2939–2948.CrossRefGoogle ScholarPubMed
Davidson, J., Mathieson, J. and Boyne, A. W. 1970. The use of automation in determining nitrogen by the Kjeldahl method, with final calculations by computer. Analyst, London 95: 181–193.CrossRefGoogle ScholarPubMed
Dingwall, W. S. 1986. Use of cereal-based diets in lamb production systems. Annual Proceedings of the Sheep Veterinary Society, Vol 11, pp. 8–11.Google Scholar
Dishington, I. W. and Bjornstad, J. 1982. Prevention of milk fever by dietary means: the effect of a concentrate fortified with mineral salts. Ada Veterinaria Scandinavica 23: 336–343.CrossRefGoogle ScholarPubMed
Ender, F., Dishington, I. W. and Helgebostad, A. 1971. Calcium balance studies in dairy cows under experimental induction and prevention of hypocalcaemic paresis puerperalis. Zeitshrift für Tierphysiologie, Tierernahrung und Futtermittelkunde 28: 233–288.CrossRefGoogle ScholarPubMed
Fahey, G. C. and Merchen, N. R. 1989. Ruminant nutrition research 1988. Proceedings of the 37th Annual Pfizer Research Conference; New York, pp. 93–198.Google Scholar
Field, A. C., Wiener, G. and Wood, J. 1969. The concentration of minerals in the blood of genetically diverse groups of sheep. II. Calcium, phosphorus, magnesium, potassium, sodium and chlorine concentrations for three hill breeds and their crosses at pasture. Journal of Agricultural Science, Cambridge 73: 267–274.CrossRefGoogle Scholar
Fredeen, A. H., Depeters, E. J. and Baldwin, R. L. 1988a. Characterization of acid-base disturbances and effects on calcium and phosphorus balances of dietary fixed ions in pregnant and lactating does. Journal of Animal Science 66: 159–173.CrossRefGoogle ScholarPubMed
Fredeen, A. H., Depeters, E. J. and Baldwin, R. L. 1988b. Effects of acid-base disturbances caused by differences in dietary fixed ion balance on kinetics of calcium metabolism in ruminants with high calcium demand. Journal of Animal Science 66: 174–184.Google Scholar
Gitelman, H. J. 1967. An improved automated procedure for the determination of calcium in biological fluids. Analytical Biochemistry 18: 521–531.CrossRefGoogle Scholar
Gitelman, H. J., Hurt, C. and Lutwak, L. 1966. An improved automated spectro-metric method for magnesium analysis. Analytical Biochemistry 14: 106–120.Google Scholar
Gunn, R. G. 1969. A note on seasonal and age changes in the calcium, phosphorus and magnesium content of the blood of Scottish Blackface ewes, as influenced by calcium and phosphorus supplementation. Journal of Agricultural Science, Cambridge 73: 159–160.Google Scholar
Lawes Agricultural Trust. 1977. GENSTAT V, Mark 4.01. Rothamsted Experimental Station, Harpenden, Hertfordshire.Google Scholar
McSherry, E. and Morris, R. C. 1978. Attainment and maintenance of normal stature with alkali therapy in infants and children with classic renal tubular acidosis. Journal of Clinical Investigation 61: 509–527.CrossRefGoogle ScholarPubMed
Matteini, E., Cottrozi, G. and Cappelli, G. 1976. Human growth hormone secretion induced by sodium bicarbonate infusion. Ada Medica Auxologica 8: 49–54.Google Scholar
Rajaratne, A. A. J., Scott, D., Thompson, J. K., Buchan, W. and Pennie, K. 1990. The effect of variation in dietary calcium supply on the phosphorus requirements of growing lambs. Animal Production 51: 135–142.Google Scholar
Roach, A. G. 1965. Application of Technicon Autoanalyzer equipment to the routine determination of calcium and phosphorus in animal feedstuffs. In Automation in Analytical Chemistry, Technicon Symposia (ed. Skeggs, L. T. J.), pp. 137–141. Mediad Incorporated, New York.Google Scholar
Roby, K. A. W., Chalupa, W., Orsini, J. A., Elser, A. H. and Kronfeld, D. S. 1987. Acid-base and electrolyte balance in dairy heifers fed forage and concentrate diets: effect of sodium bicarbonate. Americal Journal of Veterinary Research 48: 1012–1016.Google Scholar
Scott, D. 1976. Changes in mineral, water and acid-base balance associated with feeding and diet. In Digestion and Metabolism in The Ruminant, (ed. McDonald, I. W. and Warner, A. C. I.), Proceedings of the lVth International Symposium on Ruminant Physiology pp. 205–215. University of New England Publishing Unit, Armidale, NSW.Google Scholar
Technical Committee On Response To Nutrients. 1990. A reappraisal of the calcium and phosphorus requirements of sheep and cattle. Nutrition Abstracts and Reviews In Press.Google Scholar
Thompson, J. K., Gelman, A. L. and Weddell, J. R. 1988. Mineral retentions and body composition of grazing lambs. Animal Production 46: 53–62.Google Scholar
Young, D. S. 1966. An improved method for the automatic determination of serum inorganic phosphate. Journal of Clinical Pathology 19: 397–399.CrossRefGoogle ScholarPubMed
Wan Zahari, M., Thompson, J. K., Scott, D. and Buchan, W. 1989a. Body composition and mineral retention in growing lambs fed grass and concentrate diets. In Recent Progress on Mineral Nutrition and Mineral Requirements in Ruminants. Proceedings of the International Meeting on Mineral Nutrition and Mineral Requirements in Ruminants, Kyoto, Japan, pp. 119–121.Google Scholar
Wan Zahari, M., Thompson, J. K., Scott, D., Topps, J. H., Buchan, W. and Pennie, K. 1989b. Effect of growth rate on mineral retention and body composition of growing lambs. Animal Production 49: 443–450.Google Scholar
Wan ZAHARI, M., Thompson, J. K., Scott, D. and Buchan, W. 1990. The dietary requirements of calcium and phosphorus for growing lambs. Animal Production 50: 301–307.Google Scholar