由于缺乏动物识别、记录和评价计划，因而人工授精技术通常用于与进口种质资源的杂交，而并非当地的优良遗传资源。
AI is usually used for crossbreeding with imported germplasm rather than for superior local genetics, due to the paucity of animal identification, recording and evaluation programmes.
解决办法是昆虫学家和育种家共同拟定一个能动的种质收集和评选计划。
The solution is for entomologists and plant breeders to develop a dynamic program of collection and evaluation of germplasm.
一项育种计划，必须为把新的遗传种质不断地渗进育种种群提供条件，以避免近交。
A breeding programme must provide for a continual infusion of new genetic material into the population to avoid in-breeding.
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