Hostname: page-component-8448b6f56d-qsmjn Total loading time: 0 Render date: 2024-04-23T23:36:03.240Z Has data issue: false hasContentIssue false

The effects of carbadox on the performance and carcass characteristics of early-weaned pigs given high- and low-protein diets

Published online by Cambridge University Press:  02 September 2010

R. G. Campbell
Affiliation:
Animal Research Institute, Princes Highway, Werribee, Victoria 3030, Australia
Get access

Abstract

Thirty-six male pigs weaned at 28 days of age were used to study the effects of methyl-3-(2- quinoxalinylmethylene) carbazate-N1, N4-dioxide (carbadox) in high- and low-protein diets on the performance of pigs growing between 7 and 32 kg live weight, and on carcass characteristics at the latter weight.

The inclusion of carbadox (55 mg/kg) in a high-protein diet containing 195 g crude protein per kg and 10·2 g lysine per kg had no effect on performance or on carcass characteristics. Pigs offered the high-protein diets grew more rapidly, had a lower food conversion ratio and were leaner at 32 kg live weight than those offered a lowprotein diet containing 146g crude protein per kg and 6·0 g lysine per kg. Supplementation of the low-protein diet with lysine (4·2 g/kg) had no effect on performance or carcass characteristics but the inclusion of carbadox in the low-protein diet increased growth performance and reduced carcass backfat measurements at 32 kg. However, the performance was inferior, and the backfat thickness greater, compared with the high-protein diets. On the other hand, supplementation of the low-protein diet with lysine plus carbadox raised growth performance and reduced carcass backfat measurements to the levels exhibited on the high protein diets.

Type
Research Article
Copyright
Copyright © British Society of Animal Science 1982

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

Association of Official Agricultural Chemists. 1965. Official Methods of Analysis of the Association of Official Agricultural Chemists. 10th ed.Association of Official Agricultural Chemists, Washington, DC.Google Scholar
Barber, R. S., Braude, R. and Mitchell, K. G. 1974. A note on further studies on sodium salicylate as a growth stimulant for growing pigs receiving diets with or without copper sulphate. Anim. Prod. 18: 219222.Google Scholar
Fox, M. 1971. Nutritional evaluation of meat and bone meal. Divl Rep. Viet. Dep. Agric., Div. Agric. Chem., No. 2.Google Scholar
Klein, R. G., Turk, J. L., Froe, J. L. and Connell, H. E. 1976. Effect of mecadox on protein utilization. Proc. Int. Pig Vet. Soc, Iowa, la., p. AA. 7 (Abstr.).Google Scholar
Moser, B. D., Peo, E. R. and Lewis, A. J. 1980. Effect of carbadox on protein utilization in the baby pig. Nutr. Rep. Int. 22: 949956.Google Scholar
Thrasher, G. W., Shively, J. E., Askelson, C. E., Babcock, W. E. and Chalquest, R. R. 1969. Effects of feeding carbadox upon the growth and performance of young pigs. J. Anim. Sci. 28: 208215.CrossRefGoogle ScholarPubMed
Thrasher, G. W., Shively, J. E., Askelson, C. E., Babcock, W. E. and Chalquest, R. R. 1970. Effects of carbadox on performance and carcass traits of growing swine. J. Anim. Sci. 31: 333338.CrossRefGoogle Scholar
Yen, J. T., Jensen, A. H., Bajjalieh, N. H. and Ladwig, V. D. 1976. Effects of methyl-3-(2-quinoxalinylmethylene) carbazate-N1, N4-dioxide on nitrogen and energy digestibility in and performance of young pigs. J. Anim. Sci. 42: 375380.CrossRefGoogle Scholar
Yen, J. T., Veum, T. L. and Lauxen, R. 1979. Lysine-sparing effect of Carbadox in low protein diet for young pigs. J. Anim. Sci. 49: Suppl. 1, pp. 257258 (Abstr.).Google Scholar