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The relationship of bovine mandibular cheek tooth development to age determined by post-mortem radiographic examination of cattle aged between 12 and 24 months

Published online by Cambridge University Press:  27 March 2009

A. H. Andrews
A. H. Andrews
Affiliation:
Department of Animal Husbandry and Hygiene, Royal Veterinary College, Boltons Park Farm, 44 Hawkshead Road, Potters Bar, Hertfordshire
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Summary

Results of visual and radiographic development of the mandibular caudal teeth were obtained from 135 cattle between 1 and 2 years old. Age ranges for each stage of tooth development were obtained. Using visual assessment of second molar intra-oral eruption the maximum age range before animals could be differentiated was 8 months (1 year 3 months from 1 year 11 months). Animals showed different stages of development in all six teeth using criteria based on resorption of the temporary premolar teeth and crown and root formation in the permanent premolar and molar teeth. The maximum age range before animals could be distinguished was 5 months (1 year 6 months from 1 year 11 months) and at all other ages the age difference before differentiation was less.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 98 , Issue 1 , February 1982 , pp. 109 - 117
Copyright
Copyright © Cambridge University Press 1982

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References

REFERENCES

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