0155 - Good Results In Breeding Marine Products In Qingdao. It is difficult...Back

Good Results In Breeding Marine Products In Qingdao. It is difficult to breed the fry of abalone and scallop artificially because they ovulate and yield sperm at different times. Scientific workers made them do it simultaneously by irradiating them with ultraviolet rays. Photo shows researchers observing the wriggling of soft organs of abalone and scallop in the vessels. Photo by Yue Guofang