A female chick weighing 90-300 g lays as many as 500 eggs per spawning. They need to produce 6-15 fries / m2 / month. Use larger chicks to increase seed production. 1-1.5 kg breeding animals can produce 45 fry / m2 / month. 19янв. 2015 г.
How many juveniles can a catfish lay?
A medium hatchery (500,000 juveniles per year) required a total incubation capacity of 800 g of fertilized egg batches. This amount of eggs is laid in about 16 females weighing 500 g (see Section 3.5.1) and incubated in four incubation troughs (see Section 3.10.1).
How many juveniles can tilapia produce?
& gt;Transsexual juveniles are stored at a rate of 3000 fish / m3 and can be grown for 6 weeks until they reach an average of 10 g. Fish of this size can be replenished with 2500 fish / m3 to produce 25-30 g of juveniles in 4 weeks. These fish are stored at 1,500 fish / m3 and can produce 50-60 g of juveniles in 4 weeks.
What is the production of juvenile fish?
The production of juveniles in the pond is carried out under semi-intensive fan conditions. Fish are bred at low densities, but supplemental (pellet) feeding is applied and may require aeration. The water exchange rate is low (15-25% per day). The main goal and advantage of this system is to produce high quality fish.
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What form of energy is being used when a cheetah runs?What does fry mean for a fish?
