prospective area,prospective region

Laser irradiation to the breeding eggs embryonic area can increase the hatching rate of the eggs(318 mW/cm~2X 1 —1274 mW/cm~2X1 , 6.

通过四批600枚种蛋的试验证明,不同剂量的He—Ne激光照射鸡种蛋胚区,可激励鸡胚胎早期发育好,出雏齐,提高孵化率6。