Open the lid slowly letting in just a little light at first. Sudden bright light will frighten the fingerlings and add to their stress. After a couple of minutes remove the rubber band from the bag and slip the bag out of the box allowing the fingerlings and their water to remain in the box.
What is the best time to release the fingerlings?
The fingerlings can be harvested and sold when they weigh on average about 8-10 g and measure 80-100 mm. The fingerlings should not be fed on the day before you harvest. They should be netted early in the morning and conditioned for about three hours before packing. The survival rate should be of 30%-40%.
What equipment is needed to transport the fingerlings?
Small fish may often be easily shipped in plastic bags containing water and oxygen. Large numbers of fingerlings are best transported in a hauling tank with aeration or oxygen supplied. The water should remain clean and cool during transport. The fish should be loaded and unloaded with a minimum of handling and stress.
How much is catfish fingerlings in Nigeria?
Buying the Catfish As it stands, buying a catfish juvenile costs between N25 – N35 per fish, hence, we can settle for N30 per fish on average. This means acquiring 1,000 fish will cost N30, 000 on average.
How do you make fingerling?
Fingerling production in ponds is done under semi-intensive fanning conditions; fish are reared at low densities but supplementary (pellet) feeding is applied and, sometimes, aeration is needed. The water exchange rate is low (15-25 % per day). The main goal and advantage of this system is to produce high quality fish.
What is fingerlings of fish?
Fingerling – refers to a fish that has reached the stage where the fins can be extended and where scales have started developing throughout the body. In this stage, the fish is typically about the size of a finger.
How do you acclimate tilapia?
To properly acclimate fish open bag and pour fish and water into a container. Pour water from your tank into the container in small increments. This allows the fish to adjust to any change in temperature. This whole process should only take about fifteen minutes.
Where are fingerlings raised?
ponds If the ponds are relatively small and suitable for rearing of spawn to fry stage, initially 3–4 crops of fry are raised and finally the ponds are usually utilized for fingerling production.