"Heaven must have put me here for some purpose," the saying goes, and while native breeds may not compare with improved strains in terms of economic performance, they still possess one or two special characteristics, such as resistance to certain diseases or an ability to eat certain foods, that have enabled them to pass nature's tests and survive.
俗話說得好，「天生我材必有用」，土種動物的整體表現﹘﹘經濟價值﹘ ﹘雖不及改良種完美，但生存在天地間，身上總有一、二個特點，像是不怕曬、抗病力強、耐粗食等，所以能通過大自然的千錘百煉。