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前言瓦片,是马氏珠母贝人工育苗生产中采用的传统附苗器。一九七一年四月,在两广珍珠养殖经验交流学习班上,大多数同志既肯定了瓦片附苗器在生产中使用基本成功的一面,又指出瓦片附苗器存在着下列几个方面的缺点:第一、瓦片附苗器投放前,需经过浸泡、洗刷、绑扎成串、消毒等麻烦手续,费工费时。第二、瓦片附苗器投放时,容易引起育苗池水质的变化,尤其是当浸泡时间不够,洗刷不干净,消毒处理不当时,对水质影响更明显,严重的可致使幼虫大量下沉,造成
Preface Tiles, is a traditional malachite device that is used in the artificial seedling production of Pinctada martensii. In April 1971, most of the comrades in the experience exchange workshop on pearls farming in Guangdong and Guangxi not only affirmed the basic success of using tile seedlings in their production, but also pointed out that there are several Aspects of the shortcomings: First, the tile attached to the vaccine before delivery, subject to soaking, scrubbing, banding, sterilization and other troublesome procedures, time-consuming work. Second, the tile attached to the device when placed, easily lead to nursery pond water quality changes, especially when the soaking time is not enough, the scrub is not clean, improper disinfection, the water quality is more obvious, serious can cause a large number of larvae sink, Cause