this post was submitted on 25 Apr 2024
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[–] protist@mander.xyz 49 points 7 months ago (2 children)

Pretty sure parasites are widely present among wild fish. Not defending fish farms, but parasites aren't only present on fish farms

[–] tb_@lemmy.world 10 points 7 months ago (1 children)

aren't only present on fish farms

No. But if you keep a lot of fish really tightly packed in the same place those parasites will have a much easier time spreading.

[–] protist@mander.xyz 6 points 7 months ago (1 children)

Yes. Again, my point is that fish parasites are widely present in wild fish populations and have been since before fish farming existed

[–] tb_@lemmy.world 4 points 7 months ago

Yes... But with open net fish farming you get more fish with parasites and more parasites per fish. So it was a lesser problem before.

[–] kbin_space_program@kbin.run 3 points 7 months ago (1 children)

https://westcoastnow.ca/2024/01/12/herring-deaths-raises-concerns/

Open net fish farms are proven to increase parasite counts on nearby wild stock

[–] protist@mander.xyz 14 points 7 months ago

Sure, but parasites are still widely present in wild populations