Fish have been enlisted by the Punjab government in an
unlikely new front of India’s war on dengue fever.
Authorities believe that fish from the Rawal Dam hatchery
can solve the rising number of cases in Rawalpindi without the use of
anti-mosquito chemicals. They’ve been released into ponds and fountains in the
hope that they eat larvae from the mosquitoes that carry the virus.
Feed residue from illicit fish farms is threatening the
operation of a power station near Manila, reports Philippines news organ The
Inquirer.
The coal-fired plant, largest in the Philippines, says fish
feed is entering its water intake and jeopardizing the area’s electricity
supply. Agricultural authorities say fish farmers should keep their cages 400m
away from the plant perimeter at all times, but currently many are at a quarter
of that distance.
In 2008-9 the plant was forced to shut down after typhoon
damage allowed fish to escape their cages and swim into the cooling system.
Aquaculture in Trinidad and Tobago will receive a boost
after its government announced a $3.6m investment in the industry.
The money will be spent on new farms and technology, as well
as research and training for the fish farmers of the Caribbean islands. Food
Production Minister Devant Maharaj hopes the investment bring some commercial
clout to aquaculture in his country.
“Approximately 75 per cent of fish farmers can be considered
to be subsistence or backyard farmers who, for a number of reasons, are unable
to achieve economies of scale and hence commercial and economic viability,”
said Maharaj.
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Farmed tilapia are being transported to the Sea of Galilee
in a bid to replenish its fish population, reports the Times of Israel.
The continuing project, which this year will introduce
approximately one million of the fish to the lake, also aims to balance its
ecosystem as the tilapia will filter out toxins produced by seaweed.
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| The dengue fever-carrying Aedes aegypti mosquito [photo credit: Wikipedia] |
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