Modeling the relationship between reproductive performance and net-revenue in dairy herds

Agricultural Systems

Volumn 56, Issue 3, 1998, Pages 305-322

  Plaizier, J C B ^a   King, G J ^a   Dekkers, J C M ^a   Lissemore, K ^b  

^a UNIVERSITY OF GUELPH   (Canada)

^b UNIVERSITY OF GUELPH   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0032033876     PISSN: 0308521X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0308-521X(97)00044-9     Document Type: Article

References (33)

1. Agriculture Canada (1985) Canada Livestock and Meat Trade Report 76, 1.
2. Clapp, H. J. (1982) Growth management of dairy heifers. Factsheet Ontario Ministry of Agriculture and Food Order No. 82-056.
3. Congelton, W. R. Jr (1984) Dynamic model for combined simulation of dairy management strategies. Journal of Dairy Science 67, 644-660.
4. Dekkers, J. C. M. (1991) Estimation of economic values for dairy cattle breeding goals: bias due tosuboptimal management policies. Livestock Production Science 29, 131-149.
5. Dekkers, J. C. M. (1993) Breeding strategies for calving ease. An industry discussion paper. Centre for theGenetic Improvement of Livestock, University of Guelph. Guelph, Ontario, Canada.
6. Dijkhuizen, A. A., Stelwagen, J. and Renkema, J. A. (1986) A stochastic model for the simulation ofmanagement decisions in dairy herds, with special reference to production, reproduction, cullingand income. Preventive Veterinary Medicine 4, 237-289.
7. Dijkhuizen, A. A. and Stelwagen, J. (1988) An economic comparison of four insemination and cullingpoliciesin dairy herds, by method of stochastic simulation. Livestock Production Science 18, 239-252.
8. Fisher, L. J. and Williams, C. J. (1978) Effect of environmental factors and fetal and maternal genotype ongestation length and birth weight of Holstein calves. Journal of Dairy Science 1(10), 1462-1467.
9. Gibson, J. P (1989) Selection on the major components of milk: Alternative methods of derivingeconomic weights. Journal of Dairy Science 72, 3176-3189.
10. Jalvingh, A. W. (1993). Dynamic livestock modelling for on-farm decision support. Ph.D. thesis, University of Wageningen, The Netherlands.
11. King, G. J., Hurnik, J. F and Robertson, H. A. (1976) Ovarian function and estrus in dairy cows during earlylactation. Journal of Animal Science 42(3), 688-692.
12. Korver, S., van Arendonk, J. A. M. and Koops, W. J. (1985) A function for live weight change between twocalvings in dairy cattle. Animal Production 40, 233-241.
13. Leon-Velarde, C. U. (1991) A simulation model to analyze the bio-economic function of cows in intensivedairy farms using a systems approach. Ph.D. thesis, University of Guelph, Canada.
14. Marsh, W. E. (1986) Economic decision making on health and management in livestock herds: examiningcomplex problems through computer simulation. Ph.D. thesis, University of Minnesota, MN.
15. Marsh, W. E., Dijkhuizen, A. A. and Morris, R. S. (1987) An economic comparison of four culling decisionrules for reproductive failure in United States Dairy Herds using DairyORACLE. Journal of Dairy Science 70, 1274-1280.
16. NRC (1989) Nutrient Requirements of Dairy Cattle, 6th revised edn. National Research Council, National Academic Press, Washington, DC.
17. ODFAP (1994) Ontario Dairy Farm Accounting Project. Annual Report 1993. Cooperative project of the Canadian Dairy Commission, the Ontario Milk Marketing Board, the Ontario Ministry of Agriculture and Food and the University of Guelph.
18. Oltenacu, P. A., Roundsaville, T. R., Milligan, R. A. and Hintz, R. L. (1980a). Relationship between Days Openand Cumulative Milk Yield at various intervals from parturition for high and low producing cows. Journal of Dairy Science 63, 1317-1327.
19. Oltenacu, P. A., Milligan, R. A., Rounsaville, T. R. and Foote, R. H. (1980b). Modelling reproduction in a herd of dairy cattle. Agricultural Systems 5, 193-205.
20. Oltenacu, P. A., Roundsaville, P. A., Milligan, R. A. and Foote, R. H. (1981) Systems analysis for designingreproductive management programs to increase production and profit in dairy herds. Journal of Dairy Science 64, 2096-2104.
21. OMMB (1995a) Dairy Statistical Handbook 1993-1995. Ontario Milk Marketing Board, Missisauga, Ontario.
22. OMMB (1995b) Ontario Milk Producer Prices. Ontario Milk Producer, April 1995, 38.
23. Pecsok, S. R., McGillard, M. L. and Nebel, R. L. (1994) Conception rates 1. Derivation and estimates for effects of estrus detection on cow profitability. Journal of Dairy Science 77, 3008-3015.
24. Plaizier, J. C. B. (1996) A study on the relationship between economic and reproductive efficiency in Ontario dairy herds using computer simulation. Ph.D. thesis, University of Guelph, Canada.
25. Plaizier, J. C. B., King, G. J., Dekkers, J. C. M. and Lissemore, K. (1997a) Estimation of economic values of indices for reproductive performance in Ontario dairy herds using computer simulation. Journal of Dairy Science (accepted).
26. Plaizier, J. C. B., King, G. J., Dekkers, J. C. M. and Lissemore, K. (1997b) An economic comparison of rebreeding policies using computer simulation in Ontario dairy herds. Canadian Journal of Animal Science (accepted).
27. Rogers, G. W., Van Arendonk, J. A. M. and McDaniel, B. T. (1988) Influence of production and prices on optimum culling rates and annualized net revenue. Journal of Dairy Science 71, 3453-3462.
28. SAS (1990) SAS User's Guide. Version 6. Statistical Analysis Systems Institute Inc., Cary N. C.
29. Sørensen, J. T., Kristensen, E. K. and Thysen, I. (1992) A stochastic model simulating the dairy herd on a PC. Agricultural Systems 39, 177-200.
30. Van Arendonk, J. A. M. (1985) A model to estimate the performance, revenues and costs of dairy cows under different production and price situations. Agricultural Systems 16, 157-189.
31. Van Arendonk, J. A. M. and Dijkhuizen, A. A. (1985) Studies on the replacement policies in dairy cattle. III. Influence of variation in reproduction and production. Livestock Production Science 13, 333-349.
32. Walter-Toews, D., Martin, S. W., Meek, A. H. and McMillan, I. (1986) Dairy calf management, morbidity and mortality in Ontario Holstein herds. I. The Data. Preventive Veterinary Medicine 4, 103-124.
33. Wood, P. D. P. (1967) Algebraic model of the lactation curve in cattle. Nature 216, 164-165.