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Effect of virginiamycin on digestibility of nutrients, blood and immunologic parameters, and quality of meat in veal calves

Published online by Cambridge University Press:  27 March 2009

V. Skřivanová ,
M. Marounek ,
J. Šimůnek  and
V. Benda
V. Skřivanová
Affiliation:
Institute of Animal Production, Prague IO-Uhřiněves, Czech Republic
M. Marounek
Affiliation:
Institute of Animal Physiology and Genetics, Prague 10-Uhřiněves, Czech Republic
J. Šimůnek
Affiliation:
Institute of Animal Physiology and Genetics, Prague 10-Uhřiněves, Czech Republic
V. Benda
Affiliation:
Institute of Chemical Technology, Prague 6-Dejvice, Czech Republic.
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Summary

Experiments were carried out in 1992 with ten male calves, 4 weeks old initially, on a milk diet. Five calves received 80 mg/head virginiamycin (a feed antibiotic) daily for about 14 weeks. Virginiamycin significantly (P < 0·05) increased weight gains (122±2 kg ν. 114±2 kg), digestibility of ash, serum iron and haemoglobin. The feed intake per 1 kg of gain was non-significantly lowered in the virginiamycin group. The phagocytic activity of granulocytes in blood samples of treated calves was slightly increased with a concomitant decrease in the concentration of immunoglobulins. Meat of virginiamycin-fed calves tended to be somewhat darker, to contain more K, Na and Fe and to have a higher pH 24 h post mortem. There were no major differences in other qualitative characteristics of meat between the groups.

Type
Animals
Information
The Journal of Agricultural Science , Volume 123 , Issue 2 , October 1994 , pp. 275 - 278
Copyright
Copyright © Cambridge University Press 1994

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