Fit of standard models of the lactation curve to weekly records of milk production of cows in a single herd

Livestock Production Science

Volumn 58, Issue 1, 1999, Pages 55-63

  Olori, V E ^a   Brotherstone, S ^a   Hill, W G ^a   McGuirk, B J ^b  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

^b Genus Ltd   (United Kingdom)

Author keywords

Daily yield; Dairy cattle; Lactation curve; Model fitting; Peak yield

Indexed keywords

EID: 0032988684     PISSN: 03016226     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-6226(98)00194-8     Document Type: Article

References (21)

1. Ali T.E., Schaeffer L.R. Accounting for covariance among test day milk yields in dairy cows. Can. J. Anim. Sci. 67:1987;637-644.
2. Cobby J.M., Le Du Y.L.P. On fitting curves to lactation data. Anim. Prod. 26:1978;127-133.
3. Congleton W.R. Jr., Everett R.W. Error and bias in using the incomplete gamma function to describe lactation curves. J. Dairy Sci. 63:1980;101-108.
4. Elston D.A., Glasbey C.A., Nelson D.R. Non-parametric lactation curves. Anim. Prod. 48:1989;331-339.
5. Genstat 5 Committee, 1993. Genstat 5 Release 3 Reference Manual. Oxford Science, Oxford.
6. Guo, Z., Swalve, H.H., 1995. Modelling of the lactation curve as a sub-model in the evaluation of test day records. Paper presented at the INTERBULL open meeting, 7-8 September, 1995, Prague, Czech Republic.
7. Jamrozik J., Schaeffer L.R. Estimates of genetic parameters for a test day model with random regression for yield traits of first lactation Holsteins. J. Dairy Sci. 80:1997;762-770.
8. Keown J.F., Everett R.W., Empet N.B., Wadell L.H. Lactation curves. J. Dairy Sci. 69:1986;769-781.
9. McGuirk B.J. The Genus MOET breeding programme. Cattle Practice. 5:1997;263-265.
10. Nelder J.A. Inverse polynomials, a useful group of multi-factor response functions. Biometrics. 22:1966;128-141.
11. Olori V.E., Brotherstone S., Hill W.G., McGuirk B.J. Effect of gestation stage on milk yield and composition in Holstein-Friesian dairy cattle. Livest. Prod. Sci. 52:1997;167-176.
12. Perochon L., Coulon J.B., Lescourret F. Modelling lactation curves of dairy cattle with emphasis on individual variability. Anim. Sci. 63:1996;189-200.
13. Ptak E., Schaefer L.R. Use of test day yields for genetic evaluation of dairy sires and cows. Livest. Prod. Sci. 34:1993;23-34.
14. Rowlands G.J., Lucey S., Russell A.M. A comparison of different models of the lactation curve in dairy cattle. Anim. Prod. 35:1982;135-144.
15. SAS Institute, 1990. SAS STAT Version 6 Users Guide. SAS Institute Inc., Cary, NC.
16. Sherchand L., McNew R.W., Rakes J.M., Kellog D.W., Johnson Z.B. Comparison of lactation curves fitted by seven mathematical models. J. Dairy Sci. 75(Suppl. 1):1992;303.
17. Strathie R.J., McGuirk B.J. Developments with the Genus MOET dairy breeding scheme. Brit. Cattle Breed. Club Dig. 50:1995;9-15.
18. Wilmink J.B.M. Adjustment of test day milk, fat and protein yield for age, season and stage of lactation. Livest. Prod. Sci. 16:1987;335-348.
19. Wood P.D.P. Algebraic model of the lactation curve in cattle. Nature. 216:1967;164-165.
20. Wood P.D.P. Factors affecting the shape of the lactation curve in cattle. Anim. Prod. 11:1969;307-316.
21. Yadav M.C., Katpatal B.G., Kaushik S.N. Components of inverse polynomial function of lactation curve, and factors affecting them in Hariana and its Friesian crosses. Indian J. Anim. Sci. 47:1977;777-781.