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A second survey of losses associated with pregnancy and parturition in Yorkshire sheep

Published online by Cambridge University Press:  27 March 2009

F. B. Leech  and
K. C. Sellers
F. B. Leech
Affiliation:
Rothamsted Experimental Station
K. C. Sellers
Affiliation:
Ministry of Agriculture, Fisheries and Food, Veterinary Investigation Centre, Leeds
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Extract

Data concerning a random sample of flocks in Yorkshire and Lancashire were collected, in the form of answers to a questionnaire. Information was received from 88% of the 272 farms approached.

The present survey, a more detailed repetition of one performed in 1952–53, has extended the information already collected and enabled deductions to be made regarding the relationship between disease losses, breed and husbandry methods. The advantages and disadvantages of this type of survey are discussed.

Information

Type
Research Article
Information
The Journal of Agricultural Science , Volume 52 , Issue 1 , February 1959 , pp. 117 - 124
Copyright
Copyright © Cambridge University Press 1959

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References

REFERENCES

Reeve, E. C. R. & Robertson, F. W. (1953). Anim. Breed. Abstr. 21, 211.Google Scholar
Sellers, K. C. & Leech, F. B. (1955). J. Agric. Sci. 46, 90.CrossRefGoogle Scholar
Yates, F. (1952). Sampling Methods for Censuses and Surveys, 2nd edition. London: Charles Griffin and Co.Google Scholar
Yates, F. (1955). Biometrika, 42, 382.Google Scholar