Hostname: page-component-586b7cd67f-2plfb Total loading time: 0 Render date: 2024-11-30T22:22:57.516Z Has data issue: false hasContentIssue false
  • English
  • Français

A note on an alternative form of the lactation model of Wood

Published online by Cambridge University Press:  02 September 2010

M. S. Dhanoa
M. S. Dhanoa
Affiliation:
Grassland Research Institute, Hurley, Maidenhead, Berkshire SL6 5LR
Get access

Abstract

An alternative form, y = Anmce−cn, of the lactation model of Wood, y = Anbe−cn, is suggested. The new parameter, m, is the time required to achieve maximum milk yield. The correlations between non-linear parameters are reduced.

Type
Research Article
Information
Animal Production , Volume 32 , Issue 3 , June 1981 , pp. 349 - 351
Copyright
Copyright © British Society of Animal Science 1981

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

Beale, E. M. L. 1960. Confidence regions in non-linear estimation. Jl R. statist. Soc. Ser. B 22: 41–88.Google Scholar
Draper, N. R. and Smith, H. 1966. Applied Regression Analysis. John Wiley, New York.Google Scholar
Edwards, A. W. F. 1972. Likelihood. Cambridge University Press, Cambridge.Google Scholar
Ross, G. J. S. 1970. The efficient use of function minimisation in non-linear maximum likelihood estimation. Jl R. statist. Soc. Ser. C. 19: 205–221Google Scholar
Wood, P. D. P. 1967. Algebraic model of the lactation were in cattle. Nature, Lond. 216: 164–165CrossRefGoogle Scholar