Chile salmon industry swims against current amid marine concerns

Source:AFP Published: 2017/7/14 5:03:40

Salmon are leaping in their millions from Chilean fish farms to US, Japanese and European dining tables - but surging demand and environmental concerns have Chile wriggling on the hook.

The world's second-biggest producer of the juicy pink fish after Norway, Chile earned $3.8 billion from farmed salmon last year - but campaigners warn the environment is paying a high cost.

"The demand for salmon is unsustainable," said Liesbeth van der Meer, director of environmental group Oceana Chile. "There is an ecological burden that the system can no longer endure. Beyond a certain quantity of salmon, it collapses."

She calculates that for every 190 grams of salmon produced, a kilogram of local fish is used to feed the farmed salmon. To make the industry sustainable, Chile should halve its current salmon production, she said.

The industry estimates that demand for salmon is rising by 10 percent a year. And 70,000 jobs in Chile depend on it.

Last year, red algae infested the waters off southern Chile, killing other sea life. Environmentalists blamed it on waste emissions from fish farms.

The algae wiped out one-fifth of Chile's salmon ­production in 2016. It fell from 883,000 to 728,000 tons - most of that exported to the US, Europe, Brazil and Japan.

Chile's size in the market is such that the fall contributed to a 40 percent rise in world salmon prices.

Producers are recovering from that blow. But the president of the SalmonChile trade association, Felipe Sandoval, acknowledges they are having to "think and take steps to ensure medium- and long-term stability" and reduce costs.

Separately, the industry has been criticized for pumping antibiotics into the salmon, prompting warnings that this could promote drug-resistant super-bacteria.

In 2016 the Chilean salmon industry used 382.5 tons of antibiotics. That was 700 times the amount used in Norway.

The government in 2007 had to reduce the intensity of salmon farming due to an outbreak of infection.

Any further health alerts will hit production, warned Eugenio Zamorano, head of aquaculture in the fisheries ministry. But "if the health and environmental parameters are working, the industry can grow," he said.

New regulations affecting the fish farms will come into force in 2018 in response to weather phenomena in the Pacific that experts suspect are due to climate change.

Compared to Chile's two other major salmon-producing regions, Magallanes - the furthest to the south - has a relatively good level of environmental controls, without too many fish farms close together, the government said.

With cooler waters, farms in Magallanes use less than 1 percent of the antibiotics used in the other two regions, Aysen and Los Lagos.



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