Method of cultivating biological flocs and application thereof in breeding litopenaeus vannamei

一种培养生物絮团的方法及在凡纳缤对虾养殖中的应用

Abstract

一种培养生物絮团的方法及在凡纳缤对虾养殖中的应用,涉及生物絮团的培养。所述培养生物絮团包括短小芽孢杆菌、嗜酸乳杆菌和季也蒙毕赤酵母;制备短小芽孢杆菌剂、嗜酸乳杆菌剂和季也蒙毕赤酵母菌菌粉;每天采用每亩水体泼洒芽孢杆菌菌粉、酵母菌菌粉和乳酸菌菌剂的方式,并在养殖池四周中下层设置纳米曝气管曝气,形成絮团;对养殖水体的C/N比进行调节,控制C/N在(12~14)︰1;生物絮团培育好后在养殖期间每天每亩水体泼洒短小芽孢杆菌剂、季也蒙毕赤酵母菌菌粉和嗜酸乳杆菌剂。培养的生物絮团可在凡纳缤对虾养殖中应用。
The invention relates to a method of cultivating biological flocs and an application thereof in breeding litopenaeus vannamei and relates to cultivation of biological flocs. The cultivated biological flocs comprise bacillus pumilus, lactobacillus acidophilus and pichia guilliermondii. The method comprises the following steps: preparing a bacillus pumilus inoculant, a lactobacillus acidophilus inoculant and pichia guilliermondii powder; adopting a way of splashing bacillus pumilus powder, saccharomycetes powder and a lactic acid bacteria inoculant for a water body per mu every day, and arranging an nano aerating tube in the lower layer around a cultivation pond to aerate to form the flocs; adjusting the C/N weight of a cultivating water body and controlling the C/N at (12-14): 1; and after the biological flocs are cultivated, splashing the bacillus pumilus inoculant, pichia guilliermondii powder and a lactobacillus acidophilus inoculant to the water body per mu every day. The cultivated biological flocs can be applied to breeding litopenaeus vannamei.

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