笔者在多年南美白对虾的养殖过程中,对如何使用P·S·B来预防病害,摸索出一些诀窍。在此整理出来,供广大养殖业者参考。1.在放苗前一个星期,塘口进水30cm,用潮湿沙子拌匀P·S·B,全池均撒,浓度30ppm。用过之后,最好用耙子耙动塘泥,以利P·S·B的生长繁殖。2.放养30天以后,再次 The author in many years of Penaeus vannamei breeding process, how to use P · S · B to prevent disease, to explore some know-how. In this sorted out, for the majority of aquaculture operators. 1 week before Fangmiao, Tangkou into the water 30cm, mix with wet sand P · S · B, all the ponds are scattered, the concentration of 30ppm. After use, it is best to use a rake rake pond mud, in order to facilitate the growth and reproduction of PSB. 2. After stocking for 30 days, again