Showing posts from January 22, 2020

Toxic Tides

One of the biggest challenges facing the aquaculture industry everywhere, is  Lepeophtheirus salmonis , the sea-louse.    Sea lice,   Lepeophtheirus salmonis,  on farmed Atlantic salmon, New Brunswick, CA. Photo by 7Barrym0re It's a parasite which attacks both farmed and wild salmon (above), causing lesions and infections which stunt their growth. But t he costs of de-lousing are high. And so are the losses suffered by the industry in the marketplace.  Many lice can actually kill many fish. To fight back, the fish-farmers dump pesticides into the waters (below). But, because they’re released directly into the environment, they not only kill the lice, but place beneficial, “non-target” organisms at risk, too. And several of these live in the open ocean, beyond the confines of the  farms. This image shows how industry applies pesticides within their operations. The latest (but not the only) cautionary tale about the wisdom of this practise,   has just

'Live animals are the largest source of infection': dangers of the export trade

The Guardian Transporting more livestock will increase transmission of diseases, including some that could also threaten humans.   Story here. Pigs being trucked. Photo by Cayce from Malaysia.