Type of method | When to use | Breeds to be used for interbreeding/cross- breeding | Time frame |
---|---|---|---|
Open studbooks/interbreeding | Recommended for all breeds | Closely related breeds and/or breeds with a common breeding goal | Long term |
Cross-breeding projects; i.e. well-designed, with clear goals and outcomes; controlled and monitored. | To increase genetic diversity and/or introduce/improve desired genetic traits | Breeds possessing the desired trait | Limited/specified time period |