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The parasite is then carried in the salmon until the next spawning cycle. The myxosporean parasite that causes whirling disease in trout has a similar life cycle. [ 2 ] However, as opposed to whirling disease, the Henneguya infestation does not appear to cause significant incapacitation of the host salmon — even heavily infected fish tend to ...
The popularity of such raw fish dishes makes it important for consumers to be aware of this risk. Raw fish should be frozen to an internal temperature of −20 °C (−4 °F) for at least seven days to kill parasites. It is important to be aware that home freezers may not be cold enough to kill parasites. [67] [68]
Gyrodactylus salaris, commonly known as salmon fluke, [1] salmon killer, or the Norwegian salmon killer is a tiny monogenean ectoparasite which lives on the body surface of freshwater fish. [2] This leech-like parasite has been implicated in the reduction of Atlantic salmon populations in the Norwegian fjords . [ 3 ]
1. Farm-Raised Salmon. Some farm-raised salmon may contain more parasites than its wild-caught counterpart due to the densely populated conditions of fish farms, which can foster a breeding ground ...
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Some evidence indicates that sea lice flourishing on salmon farms can spread to nearby wild juvenile salmon and devastate these populations. [29] Sea lice, particularly L. salmonis and various Caligus species, including C. clemensi and C. rogercresseyi , can cause deadly infestations of both farm-grown and wild salmon.
Chum salmon (Oncorhynchus keta) is known as dog salmon or calico salmon in some parts of the US, and as keta in the Russian Far East. This species has the widest geographic range of the Pacific species: [ 48 ] in the eastern Pacific from north of the Mackenzie River in Canada to south of the Sacramento River in California and in the western ...
Salmon poisoning disease (SPD) is a fatal disease of dogs and other canids caused by a rickettsial bacterium, Neorickettsia helminthoeca. [2] It results from eating raw salmon, trout, or salamander and is common in the Pacific Northwest.