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Some carcass characteristics of commercial quality cattle in Mexico

Published online by Cambridge University Press:  27 March 2009

M. H. Butterworth ,
E. García  and
E. L. Aguirre
M. H. Butterworth
Affiliation:
Instituto Tecnológico y de Estudios Superiores de Monterrey, Department of Animal Science, Sucursal de Correos ‘J’, Monterrey, N.L. Mexico
E. García
Affiliation:
Instituto Tecnológico y de Estudios Superiores de Monterrey, Department of Animal Science, Sucursal de Correos ‘J’, Monterrey, N.L. Mexico
E. L. Aguirre
Affiliation:
Instituto Tecnológico y de Estudios Superiores de Monterrey, Department of Animal Science, Sucursal de Correos ‘J’, Monterrey, N.L. Mexico
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Summary

Little is known about the carcass characteristics of unimproved commercial (or ‘Criollo’) cattle although these still account for a large proportion of slaughter animals in Latin America.

Data were collected from 52 commercial cattle in a commercial slaughterhouse in Monterrey, N.L. Mexico. They included carcass weight, length, total edible meat (carcass fat was negligible), total bone and eleven typical Mexican cuts whose anatomical relations are described. The age of the animals was judged according to dentition and data were stratified using this criterion for analysis. Variations in total edible meat, which averaged 77·4%, were almost entirely accounted for by differences in body weight. Data are presented to indicate amounts of various cuts in the carcasses and some significant differences were demonstrated in values for these cuts among age groups; possible explanations for this were discussed. Prediction equations were calculated to relate total edible meat with the selected cuts and carcass weight and it was found that carcass weight gave the best prediction of total edible meat and could also be used to predict expected weights of individual joints with reasonable accuracy.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 82 , Issue 1 , February 1974 , pp. 11 - 14
Copyright
Copyright © Cambridge University Press 1974

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References

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