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Cat Forum / Health and Behavior / September 2007

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Why is tuna bad for cats?

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Stig - 05 Sep 2007 17:54 GMT
Just wondering, thanks, C
Matthew - 05 Sep 2007 18:15 GMT
all fish have levels of mercury.  Cats systems are slow in processing stuff
like this and it
> Just wondering, thanks, C

http://www.aspca.org/aspcablog/2006/06/ask-apcc-can-canned-tuna-fish-be-fed.html

Can canned tuna fish be fed to cats? Mine loves the smell and desperately
wants it, but I heard that tuna contains mercury.
-Jo P.

An occasional tuna treat given to your cat is probably relatively harmless.
It's true that mercury is often present in tuna, and at low levels, this may
not be a problem. But if tuna is fed nearly exclusively, it could
potentially pose significant problems
kraut - 06 Sep 2007 15:47 GMT
>Can canned tuna fish be fed to cats? Mine loves the smell and desperately
>wants it, but I heard that tuna contains mercury.
>-Jo P.

I give mine a small can of tuna a week for 4 cats plus they like milk
and cheese also which the get on occassion as a treat but yet people
will tell you that it is not good for them.

I find that it varies from cat to cat.  Milk and cheese will effect
some and not others but to make a blanket statement (Which most people
do) that it is bad for them is hogwash.  It has never bothered mine
and they have had it as a treat since I got them as kittens.  The
thing is MODERATION !!!!  If I gave them all they wanted everyday then
it might effect them badly.  ANYTHING to extreme is wrong whether it
be pets, people, ETC.
Suzie-Q - 06 Sep 2007 21:26 GMT
Including fish that are raised in tanks? They do that now, don't
they?

Sue

> all fish have levels of mercury.  Cats systems are slow in processing stuff
> like this and it
[quoted text clipped - 11 lines]
> not be a problem. But if tuna is fed nearly exclusively, it could
> potentially pose significant problems

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Matthew - 06 Sep 2007 21:52 GMT
Phil has a details on it at his site.  You can check it out  it has certain
keys ingredients that are deficient and others are excessive

http://maxshouse.com/Tuna_and_Cats_Nutritional_Facts.htm

> Including fish that are raised in tanks? They do that now, don't
> they?
[quoted text clipped - 19 lines]
>> not be a problem. But if tuna is fed nearly exclusively, it could
>> potentially pose significant problems
Matthew - 05 Sep 2007 18:17 GMT
also forgot to add  fish lacks proper levels of  taurine  which is required
in a feline's diet

> Just wondering, thanks, C
Mark G. - 05 Sep 2007 18:20 GMT
I think the human analogy would be that anything you like that much _must_
be bad for you.  :-)

-Mark
Dave Whiley - 05 Sep 2007 18:21 GMT
> Just wondering, thanks, C

As I recall, there's no reason why tuna should be bad for cats.  However,
tuna sold on tins/cans for consumption by homo sapiens tends to contain
other things such as salt or oil, which isn't good for cats.

Well, that's what I tell him, anyway.

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Dave

not-me should be djw401 and there's no need for any wossname

Stig - 05 Sep 2007 19:16 GMT
> As I recall, there's no reason why tuna should be bad for cats.  However,
> tuna sold on tins/cans for consumption by homo sapiens tends to contain
> other things such as salt or oil, which isn't good for cats.

 Oil is bad??
Dave Whiley - 05 Sep 2007 20:59 GMT
>> As I recall, there's no reason why tuna should be bad for cats.  However,
>> tuna sold on tins/cans for consumption by homo sapiens tends to contain
>> other things such as salt or oil, which isn't good for cats.
>>
>  Oil is bad??
It would depend on what kind of oil, I'd guess.  There could be a risk of it
having a laxative effect.

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Dave

not-me should be djw401 and there's no need for any wossname

CatNipped - 05 Sep 2007 19:07 GMT
> Just wondering, thanks, C

High levels of mercury that a cat's system can't process so it gets stored
and builds up in the fatty tissue and will slowly poison a cat to death.
Also, cats need taurine.  Also, cats are carnivores and evolved to eat red
meat, not fish.

However, when I had problems getting enough fluids into my 17-yr-old with
CRF, I occasionally let her have the water from tuna canned in spring water.

Hugs,

CatNipped
AZ Nomad - 06 Sep 2007 01:25 GMT
>Just wondering, thanks, C

too much salt
bookie - 07 Sep 2007 01:08 GMT
> Just wondering, thanks, C

ok
apart from what everyone else has told you here already, feeding too
much tuna can cause a vitamin E deficiency in the cat (it contains
something which inhibits the cats ability to absorb and use the
vitamin E from it's food) and it can also cause  a rather serious skin
condition called steatitis where the cats skin becomes very thing and
ultra sensitive (from what i understand)

I am sure that giving occasional treat of tuna is ok, i do it to mine,
but not that often, and never instead of a proper diet of commercial
cat food which is usually balanced for nutrients etc.

bookie
 
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