Factors affecting the occurrence of atypical lactations for Holstein-Friesian cows

Livestock Production Science

Volumn 87, Issue 2-3, 2004, Pages 245-250

  Rekik, B ^a   Gara, A Ben ^a  

^a Higher School of Agriculture of Mateur University of Carthage   (Tunisia)

Author keywords

Atypical lactation curve; Lactation curves; Test day records

Indexed keywords

FRIESIA;

EID: 2442421938     PISSN: 03016226     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livprodsci.2003.09.023     Document Type: Article

References (13)

1. Agresti A. Categorical Data Analysis. 1990;Wiley, New York
2. Bouraoui, R., 2002. Impact of heat stress on physiological responses, milk yield, and reproduction of Friesian-Holstein cows in Tunisia, Ph.D. thesis. Institut National Agronomique de Tunis, Ariana, Tunisie.
3. Gengler N. Persistency of lactation yields: a review. Proceedings of International Workshop Genetic Improvement and Functional traits in cattle, Gembloux, Belgium, 21-23 January. 1996;87-96
4. Grossman M., Kuck A.L., Norton H.W. Lactation curves of pure-bred and crossbred dairy cattle. J. Dairy Sci. 69:1986;195-203
5. Harbaoui, H., 1999. Management and health factors of culling cows in large dairy cattle herds in Tunisia, Thèse de doctorat en Médecine vétérinaire. ENMV, Sidi Thabet.
6. Keown J.F., Everett R.W., Empet N.B., Wadell L.H. Lactation curves. J. Dairy Sci. 69:1986;769-781
7. Ray D.E., Halbach T.J., Armstrong D.V. Season and lactation effects on milk production and reproduction of dairy cattle in Arizona. J. Dairy Sci. 75:1992;2976-2983
8. SAS User's Guide, Version 6.10 for Windows, 1989. SAS Inst. Inc., Cary, NC.
9. Scott T.A., Yandell B., Zepeda L., Shaver R.D., Smith T.T. Use of lactation curves for analysis of milk production data. J. Dairy Sci. 79:1996;1885-1894
10. Shanks R.D., Berger P.J., Freeman A.E., Dickinson F.N. Genetic aspects of lactation curves. J. Dairy Sci. 64:1981;1852-1860
11. Tekerli M., Akinci Z., Dogan I., Ackan A. Factors affecting the shape of lactation curves of Holstein cows from the Balikesir Province of Turkey. J. Dairy Sci. 83:2000;1381-1386
12. Vargas B., Koops W.J., Herrero M., Van Arendonk J.A.M. Modelling extended lactations of dairy cows. J. Dairy Sci. 83:2000;1371-1380
13. Wood P.D.P. Algebraic model of the lactation curve in cattle. Nature (London). 216:1967;164-165