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Simulating Economic Values of a Genetic Improvement Program for Australian Farmed Saltwater Crocodiles

Author

Listed:
  • Gray, Emily M.
  • Ahmadi-Esfahani, Fredoun Z.

Abstract

Farm profitability can be increased through the selection of genetically superior animals as future breeders. In genetic improvement programs, candidates for breeders are ranked by the profitability of their offspring, expressed as a weighted sum of the genetic gain from selection. Genetic improvement is expressed as a shift or change in the slopes of functions describing the biology of saltwater crocodiles. The weights, or economic values, are estimated as the change in profit when the bioeconomic profit function is reoptimised with respect to slaughter age following genetic improvement in each selection objective. Empirical results tend to show that farm profitability increases the most for a reduction in juvenile slaughter age, an increase in the percentage of first grade skins produced, and an increase in the number of viable hatchlings per clutch.

Suggested Citation

  • Gray, Emily M. & Ahmadi-Esfahani, Fredoun Z., 2005. "Simulating Economic Values of a Genetic Improvement Program for Australian Farmed Saltwater Crocodiles," 2005 Conference (49th), February 9-11, 2005, Coff's Harbour, Australia 137922, Australian Agricultural and Resource Economics Society.
    • Handle: RePEc:ags:aare05:137922
    DOI: 10.22004/ag.econ.137922
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