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How to prevent fish fingerling death & improve their adaptability

3 min read

fish

FolĀ­lowĀ­ing simple deĀ­livĀ­ery proĀ­cedĀ­ures after buyĀ­ing finĀ­gerĀ­lings may reĀ­duce death of the new stock while inĀ­creasĀ­ing their adĀ­aptĀ­abĀ­ilĀ­ity for maĀ­turĀ­ity within the reĀ­quired six months.

Jared Mokaya, a Kenya PrisĀ­ons SerĀ­vice ofĀ­ficer in charge of fish farmĀ­ing at the serĀ­vice’s NaĀ­kĀ­uru staĀ­tion said stressed finĀ­gerĀ­lings can delay to maĀ­ture for weeks or a month, yet is can be conĀ­trolled.

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A farmer must inĀ­form the finĀ­gerĀ­ing hatchĀ­ery of plans of colĀ­lectĀ­ing the stock a day to doing so. This alĀ­lows the hatchĀ­ery to reĀ­duce the feeds given to the finĀ­gerĀ­lings.

ā€œStarving the fish for a day beĀ­fore transĀ­portĀ­aĀ­tion to the fish pond reĀ­duces the amount of waste proĀ­duced. AcĀ­cuĀ­muĀ­laĀ­tion of waste can be toxic to the delĀ­icĀ­ate stock while in the enĀ­closed transĀ­portĀ­aĀ­tion bags,ā€ the ofĀ­ficer said.

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When finĀ­gerĀ­lings are transĀ­porĀ­ted, they are put in speĀ­cial bags with oxyĀ­gen-enĀ­riched water.

At the same time, it is wrong for the famer to imĀ­meĀ­diĀ­ately open the bag and reĀ­move the fish with bare hands. They are supĀ­posed to move out on their own into the new enĀ­virĀ­onĀ­ment.

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The finĀ­gerĀ­lings, toĀ­gether with the conĀ­tainer must be placed on the water of the new pond for between 20 and 30 minutes. This alĀ­lows for the water in the bag to asĀ­sume temĀ­perĀ­atĀ­ures of the surĀ­roundĀ­ing. The bag is them opened careĀ­fully opened for the fish to flow into the new home, Mokaya said.

ā€œFolĀ­lowĀ­ing the brief moĀ­ment of acĀ­cliĀ­matĀ­izĀ­aĀ­tion, the young ones start feedĀ­ing imĀ­meĀ­diĀ­ately. Water temĀ­perĀ­atĀ­ure shock efĀ­fects are also minĀ­imal,ā€ he said.

Mokaya is a NaĀ­kĀ­uru Prison SerĀ­vice aquaculĀ­ture exĀ­pert, who also helps farmĀ­ers set up inĀ­tegĀ­rated backĀ­yard fishĀ­ponds.

Mokaya can be reached on +254775702877 or +254724469499

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