Optimization of production of australian crayfish in RAS in the Altai cancer farm

Experimental work has been carried out to optimize the feeding conditions and keeping of red claw crayfish in a recirculation aquaculture system (RAS) increase growth during artificial cultivation determine design standards. The lack functional complete feed methodological approaches maintenance necessitated developing effective methods for practical implementation technology minimizing impact side factors. experiment involved 105 species Cherax quadricarinatus weighing more than 10 g, which were kept containers with an area 1.5 m2 volume 0.3 m3, equipped shelters, water aeration, filtration heating. Three options compound formulations are proposed based on low-calorie “Coppens Vital”, was supplemented vegetable animal additives (pollock, cereals, gammarus, bloodworm, pumpkin, carrots). With daily rate making 4-6% body weight, there established regimen 2 times day. absolute average three experimental groups hydrobionts, mass accumulation coefficient calculated. As result, composition diet optimized, makes it possible stabilize percentage leaders group terms growth. It is noted that uneven population requires sorting depending planting density while maintaining diets. study different stocking densities fish tanks basis measuring fish-breeding biological indicators, complement general characteristic limiting values RAS operation when objects, can be used as regulatory documentation stabilizing economically important features grown objects. information obtained opportune helps avoid technological losses production products.