Raw Fish

Postby Tubular Toby » January 5th, 2013, 9:54 pm

A friend gave me a raw rainbow trout that she used for a photoshoot (you know, typical day in an art major's life) but I haven't fed it due to Nanophyetus salminicola/salmon poisoning concerns. I've read some people say that it's fine to feed rainbow trout and others that don't feed raw fish.

"Dogs and other canids — such as wolves, fox and coyotes — that eat RAW anadromous fish (fish that are born in fresh water and spend most of their life in the ocean, then return to fresh water swimming upstream to breed) are susceptible. Examples of anadromous fish are salmon, some species of trout, smelt, shad, striped bass and sturgeon."
http://myedmondsnews.com/2011/07/ask-th ... -raw-fish/

If you feed raw fish, what type do you feed? I feed canned mackerel at times, but have yet to feed raw fish.
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Postby Tubular Toby » January 5th, 2013, 10:05 pm

Well now I am reading that once frozen, raw fish is fine and that's why people go ahead and feed it anyway. Thanks to a study of using it as a lethal way to control coyote populations that suggests previously frozen fish is safe. I didn't read the entire study, just the part about frozen fish. I'm just not sure if it it seems worth to risk to me regardless.

http://digitalcommons.unl.edu/cgi/viewc ... 0coyote%22
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Postby pitbullmamaliz » January 5th, 2013, 10:26 pm

I have fed entire raw fish before. Not sure what kind - a friend caught it for me in a lake. They ate some, so I figured if it was safe for people it would be fine for Inara. I kept it in the freezer for a few weeks before feeding it.

Inara ate it (I have video somewhere) but it wasn't her favorite. Honestly, it made me a bit nervous too with all the tiny sharp little bones.
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Postby pitbullmamaliz » January 5th, 2013, 10:54 pm

Here's Inara eating the fish head. I found it a little too entertaining that her dinner was staring at me while she ate.

Image
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Postby call2arms » January 6th, 2013, 1:43 pm

The only thing I know about raw fish is that some of them contain a high level of the enzyme Thiaminase, which breaks down vitamin B1 (energy metabolism) and renders it inactive. Not sure how much raw fish is needed for that, but it eventually causes anorexia, cardiac enlargment and neurological impairment.
Thiaminase is inactivated when the fish has been cooked, I haven't seen anything about freezing though.
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Postby mnp13 » January 7th, 2013, 10:45 am

I would worry if you were feeding raw fish for every meal. But you're not. So I'd say go ahead.
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Postby cheekymunkee » January 7th, 2013, 10:00 pm

I have fed raw fish several times with no problems.
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Postby call2arms » January 8th, 2013, 3:55 pm

I'm not sure if this applies to every type of fish, and obviously a meal once in a while isn't an issue, I'm assuming if it were fed every meal as a sole or main source of protein, then it would become a problem.
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Postby DemoDick » January 8th, 2013, 9:00 pm

Dogs eat crap and vomit without getting sick. Don't sweat feeding a trout once in a while.

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Postby turtle » February 9th, 2013, 1:04 pm

Raw salmon can have a parasite that makes dogs very sick, so I would not feed raw salmon at all --

http://www.vetmed.wsu.edu/cliented/salmon.aspx

They do say that you can freeze it to kill this parasite, so I would think if you feed any type of raw fish that it is a good idea to freeze it for awhile.

Apparently raw trout can also cause the same problems --

http://andrewsigal.blogspot.com/2012/08 ... trout.html

From the Merck Vet manual --

[Salmon Poisoning Disease] is caused by Neorickettsia helminthoeca and is sometimes complicated by a second agent, N elokominica , which causes EFF [Elokomin fluke fever]. The vector of both agents is a small fluke, Nanophyetus salmincola . Dogs and other animals become infected by ingesting trout, salmon, or Pacific giant salamanders that contain encysted metacercariae of the rickettsia-infected fluke. In the dog’s intestine, the larval flukes excyst, embed in the duodenal mucosa, and introduce the rickettsiae. The fluke infection itself produces little or no clinical disease.

I have had raw fish of various types given to me over the years and I always cooked it. They like it just as well cooked so why take a chance?
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Postby Tubular Toby » February 9th, 2013, 2:52 pm

I didn't end up feeding it. I just decided it wasn't worth the risk (even though it had been frozen) and I didn't have an interest in cooking it. I'll just feed fish in the future that are not a risk of carrying said parasite.
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Postby DemoDick » February 15th, 2013, 11:51 am

turtle wrote:Raw salmon can have a parasite that makes dogs very sick, so I would not feed raw salmon at all --

http://www.vetmed.wsu.edu/cliented/salmon.aspx

They do say that you can freeze it to kill this parasite, so I would think if you feed any type of raw fish that it is a good idea to freeze it for awhile.

Apparently raw trout can also cause the same problems --

http://andrewsigal.blogspot.com/2012/08 ... trout.html

From the Merck Vet manual --

[Salmon Poisoning Disease] is caused by Neorickettsia helminthoeca and is sometimes complicated by a second agent, N elokominica , which causes EFF [Elokomin fluke fever]. The vector of both agents is a small fluke, Nanophyetus salmincola . Dogs and other animals become infected by ingesting trout, salmon, or Pacific giant salamanders that contain encysted metacercariae of the rickettsia-infected fluke. In the dog’s intestine, the larval flukes excyst, embed in the duodenal mucosa, and introduce the rickettsiae. The fluke infection itself produces little or no clinical disease.

I have had raw fish of various types given to me over the years and I always cooked it. They like it just as well cooked so why take a chance?


Any food *can* have a contagion and you *could* die from eating it. Michelle and I have been eating raw fish and meat for years with no ill effects. The only thing I cook thoroughly is chicken, and that's due to how it is processed and transported. Beef, venison, and (fresh) pork are seared on the grill long just enough to sterilize the outside of the cut, but the inside is quite raw, and delicious.

Don't worry about making your dog sick by feeding him what millions of years of evolution has designed him to eat.
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