How to prevent fish fingerling death & improve their adaptability
3 min readFolĀlowĀing 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 serĀviceās 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.
āStarving 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.
āFolĀlowĀing 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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