Optimal decisions in organic beef production from steers - Effects of criterion of optimality and price changes

Livestock Science

Volumn 110, Issue 1-2, 2007, Pages 25-32

  Nielsen, B K ^a   Kristensen, A R ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

Dairy bull calves; Finishing; Grazing; Markov process; Sensitivity analyses; Slaughtering

Indexed keywords

TRIFOLIUM;

EID: 34249995770     PISSN: 18711413     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livsci.2006.09.024     Document Type: Article

References (15)

1. Andersen H.R., and Thamsborg S.M. Studeproduktion ved afgræsning af ferske enge. DJF Report No. 40 (Husbandry) (2002), Research Centre Foulum, Denmark
2. Andersen H.R.T., and Nielsen B. Produktionssystemer for kontinuert produktion af efterårsfødte stude. DJF Report No. 48 (Husbandry) (2003), Research Centre Foulum, Denmark
3. Anonym. Afregningspriser for uge 17/2005 for slagtekvæg efter klassificering (Denmark) (2005), Kødbranchens Fællesråd, Denmark. http://www.beefboard.dk (www.beefboard.dk).
4. Kilpatrick D.J., and Steen R.W.J. A predictive model for beef cattle growth and carcass composition. Agricultural System 61 2 (1999) 95-107
5. Kristensen A.R. A general software system for Markov decision processes in herd management applications. Computers and Electronics in Agriculture 38 (2003) 199-215
6. Kristensen A.R., and Jørgensen E. Multi-level hierarchic Markov processes as a framework for herd management support. Annals of Operation Research 94 (2000) 69-89
7. Nielsen B., and Thamsborg S.M. Dairy bull calves as a resource for organic beef production: a farm survey in Denmark. Livestock Production Science 75 3 (2002) 245-255
8. Nielsen B., Thamsborg S.M., Hermansen J.E., Kristensen T., and Enemark P. Økologisk oksekødsproduktion baseret på tyrekalve fra malkekvægsbesætninger. DARCOF-report no. 13, Foulum, Denmark (2001) 112 pp.
9. Nielsen B., Thamsborg S.M., and Kristensen T. Feed supplement to young dairy calves after turn-out to pasture: effect on weight gain and subclinical coccidiosis in organic production systems. Acta agriculturæ Scandinavica. Section A, Animal Science 53 (2003) 1-10
10. Nielsen B.K., Kristensen A.R., and Thamsborg S.M. Optimal decisions in organic steer production - a model including winter feeding level, grazing strategy and slaughtering policy. Livestock Production Science 88 (2005) 239-250
11. Pananini R.V. An alternative natural beef production system: a differentiation strategy for California producers and packers. Giannini Foundation of Agricultural Economics. ARE Update 8 1 (2004) 9-11
12. Sainz R., and Pananini R.V. Effects of different grazing and feeding periods on performance and carcass traits for beef steers. Journal of Animal Science 82 (2004) 292-297
13. Steen R.W.J., and Kilpatrick D.J. Effects of plane of nutrition and slaughter weight on the carcass composition of serially slaughtered bulls, steers and heifers of three breed crosses. Livestock Production Science 43 (1995) 205-213
14. Strudsholm F., Aaes O., Madsen J., Kristensen V.F., Andersen R.H., Hvelplund T., and Østergaard S. Danske fodernormer til kvæg. Report vol. 84 (1999), The Danish Agricultural Advisory Center, Skejby 51 pp.
15. Thamsborg S.M. Uptake of nematode infections in steers reared at different grazing intensities. In: Søegaard, et al. (Ed). Grassland Farming - Balancing Environmental and Economic Demands. Proceedings of the 18th EGF, Aalborg, Grassland Science in Europe (2000) 561-563