Effectivepopulationsize and breeders selection manners affect the effect of breeds conservation.
群体有效大小和留种方式影响保种的效果。
2
That number is smaller than current figures for the effectivepopulationsize (or number of breeding individuals) for endangered species such as chimpanzees (21, 000) and gorillas (25, 000).
Some technical measures were used in the breed control of Hequ horse, such matters as defining conservation region, determining effectivepopulationsize and having a right foundation herd etc.