| abstract |
The present invention provides a model and technology which selects a high capacity impotent cow having excellent heredity ability and collects eggs in vivo so as to enable mass propagation of excellent fertilized eggs by biotechnology technique, embryo transfer technology, etc., thereby acquiring, preserving, and maintaining outstanding genetic resources of hanwoo (Korean native cattle) in farm, and moreover, a high-quality meat production system is prepared so as to increase recessed hanwoo breeding farms and ensure competitiveness of hanwoo which is differentiated to imported meat. |