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Imprint
Development and implementation of a breeding strategy to optimize replacement decisions and sales of sows in organic production systems
Project
Project code: 2815OE105
Contract period: 01.07.2016
- 31.07.2018
Budget: 99,257 Euro
Purpose of research: Applied research
The aim of the project is to develop an optimal design for a breeding strategy that covers the specific requirements of organic pig production systems. Implementation of a new breeding design includes the extension of performance testing and database systems for novel functional traits, genetic evaluations, development of an organic breeding value, and evaluating of different breeding program designs. The new selection instrument (= organic breeding value) will be used by participating herds and participating breeding organizations to optimize mating designs and selection decisions. In detail, the working program includes in chronological order 1.) identification of participating herds prior to the begin of the project, 2.) implementation of software packages for data recording for conventional and novel functional traits, 3.) recording of biological-technical farm specific parameters and cost components for the evaluation of breeding program designs, 4.) derivation of economic weights for traits in the breeding goal based on the 'contingent valuation' methodology, 5.) development of a framework (computer program) for the evaluation of breeding program designs with the main evaluation criteria genetic gain, inbreeding, genetic relationships, and economic evaluation criteria, 6.) implementation of genetic evaluations with specific adaption to the traits (e.g. threshold or logistic models for categorical functional traits), 7.) development of an organic breeding value using selection index methodology and based on genetic parameters from the genetic evaluations, 8.) defining the optimal selection and replacement strategy for breeding organizations as well as on a 'farm gate level'.
Section overview
Subjects
- Animal breeding
- Organic Farming
Framework programme
Federal Organic Farming Scheme and other forms of sustainable agriculture (BÖLN)
