I wanted to find a way to break the cycle and began to look at experimenting with outcrossing to a new bloodline to give our domestic gene pool a chance to refresh itself.

• 我想要找一种打破这种循环的方法，我开始着眼于通过异型杂交而产生一种新的血统的实验，从而给我们这个大家庭的基因库一次更新它们自己的机会。