A parametric measure of lactation persistency in dairy cattle

Livestock Production Science

Volumn 96, Issue 2-3, 2005, Pages 141-148

  Kamidi, R E ^a  

^a INTERNATIONAL LIVESTOCK RESEARCH INSTITUTE   (Kenya)

Author keywords

Dairy cattle; Lactation curve; Linear models; Persistency

Indexed keywords

BOS TAURUS;

EID: 24344474341     PISSN: 03016226     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livprodsci.2004.11.042     Document Type: Article

References (26)

1. D.E. Beever, A.J. Rook, J. France, M.S. Dhanoa, and M. Gill A review of empirical and mechanistic models of lactation performance by the dairy cow Livest. Prod. Sci. 29 1991 115 130
2. J.M. Cobby, and Y.L.P. Le Du On fitting curves to lactation data Anim. Prod. 26 1978 127 133
3. J.C.M. Dekkers, J.H. Ten Hag, and A. Weersink Economic aspects of persistency of lactation in dairy cattle Livest. Prod. Sci. 53 1998 237 252
4. N. Gengler Persistency of lactation yields: a review Proc. International Workshop on Genetic Improvement of Functional Traits in Cattle. Gembloux, Belgium Interbull Bulletin vol. 12 1996 International Bull Evaluation Service (Interbull) Uppsala, Sweden 87 96
5. H.O. Gravert, and R. Baptist Breeding for persistency of milk yield Livest. Prod. Sci. 3 1976 27 31
6. F.A. Graybill Theory and Application of the Linear Model 1976 Duxbury Press Boston
7. M. Grossman, and W.J. Koops Multiphasic analysis of lactation curves in cattle J. Dairy Sci. 71 1988 1598 1608
8. M. Grossman, S.M. Hartz, and W.J. Koops Persistency of lactation yield: a novel approach J. Dairy Sci. 82 1999 2192 2197
9. S.V. Morant, and A. Gnanasakthy A new approach to the mathematical formulation of lactation curves Anim. Prod. 49 1989 151 162
10. B.E. Mostert, H.E. Theron, and F.H.J. Kanfer The effect of calving season and age at calving on production traits of South African dairy cattle S. Afr. J. Anim. Sci. 33 2001 205 214
11. B.E. Mostert, H.E. Theron, and F.H.J. Kanfer Derivation of standard lactation curves for South African dairy cows S. Afr. J. Anim. Sci. 33 2003 70 77
12. M. Nelkon, and P. Parker Advanced Level Physics Fourth edition 1977 Heinemann Educational Books London
13. V.E. Olori, and J.B. Galesloot Projection of partial location records and calculation of 305-day yields for dairy cattle in the Republic of Ireland Proc. Interbull Meet. August 26-27, 1999. Zurich, Swizerland Interbull bulletin vol. 22 1999 Uppsala, Sweden
14. V.E. Olori, S. Brotherstone, W.G. Hill, and B.J. McGuirk Fit of standard models of the lactation curve to weekly records of milk production of cows in a single herd Livest. Prod. Sci. 58 1999 55 63
15. L. Perochon, J.B. Coulon, and F. Lescourret Modelling lactation curves of dairy cattle with emphasis on individual variability Anim. Sci. 63 1996 189 200
16. A.J. Rook, J. France, and M.S. Dhanoa On the mathematical description of lactation curves J. Agric. Sci. 121 1993 97 102
17. G.J. Rowlands, S. Lucey, and A.M. Russel A comparison of different models of the lactation curve in dairy cattle Anim. Prod. 35 1982 135 144
18. SAS The SAS® System, Version 8 1999 SAS Institute Cary, NC
19. L. Sherchand, R.W. McNew, J.M. Rakes, D.W. Kellog, and Z.B. Johnson Comparison of lactation curves fitted by seven mathematical models J. Dairy Sci. 75 Suppl. 1 1992 303
20. J. Sölkner, and W. Fuchs A comparison of different measures of persistency with special respect to variation of test-day milk yields Livest. Prod. Sci. 16 1987 305 319
21. M. Tekerli, Z. Akinci, I. Dogan, and A. Akcan Factors affecting the shape of lactation curves of Holstein cows from the Balikesir province of Turkey J. Dairy Sci. 83 2000 1381 1386
22. P.D.P. Wood Algebraic model of the lactation curve in cattle Nature 216 1967 164 165
23. P.D.P. Wood Factors affecting persistency of lactation in cattle Nature 218 1968 894
24. P.D.P. Wood Factors affecting the shape of the lactation curve in cattle Anim. Prod. 11 1969 307 316
25. P.D.P. Wood A note on the repeatability of parameters of the lactation curve in cattle Anim. Prod. 12 1970 535 538
26. P.D.P. Wood Breed variations in the shape of the lactation curve of cattle and their implications for efficiency Anim. Prod. 31 1980 133 141