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Old 10-02-2010, 04:02 PM   #1 (permalink)
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Default Feeding cat fish

Hello,

I am currently feeding my cats canned Weruva food which they absolutely love. My question is how safe is it to be feeding them the fish variety as my cats do not like the chicken or beef? I read an article regarding Weruva canned fish food and it states that the ingredient menadione bisulfite complex is in their seafood based food but in very small quantities. Apparently, menadiaone (vitamin K) is required by the AAFCO to be added in the seafood-based food but is not required in the poultry or beef canned food. So, should I try to find a canned cat food that is poultry and beef that they like, even if it is not the Weruva brand? They used to eat Wellness canned chicken but eventually they stopped eating it. Or do you think Weruva has such small amounts to menadione in their fish, that it doesn't matter if they only eat the fish flavors, which consists of tuna, dolfin, calamari, mackeral, etc.

Any advise is appreciated.

Last edited by kittywitty; 10-02-2010 at 04:05 PM.
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Old 10-02-2010, 06:12 PM   #2 (permalink)
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Here's an article that was shown to me when I had questions about fish:

Little Big Cat
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Old 10-02-2010, 09:18 PM   #3 (permalink)
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I did a fair amount of research into this issue a while back when my cats would only eat fish. I determined that there are various issues associated with feeding fish to cats, but you need to sort through them to determine which are relevant and which aren’t, depending on the circumstances. I don’t recall reading anything about issues with Vitamin K.

Fish is said to be high in phosphorus, potentially leading to urinary tract disorders. That said, the phosphorus levels in fish-flavored Weruva wet foods are about the same as in the chicken-flavored Weruva foods, so that wouldn’t be a relevant issue in switching from fish to chicken (or beef) in the case of Weruva.

Fish-flavored foods have also been linked to hyperthyroidism, due to high levels of PBDE’s (polybrominated diphenyl ethers), which are about 12 times higher in fish-based foods. PBDE’s have been linked to hyperthyroidism (in a study by Janice A. Dye, DVM, Ph.D., of the U. S. Environmental Protection Agency). As a result, an all-fish diet can result in a greater risk of hyper-T when the cat is older.

Once cats get in the habit of eating fish, they will often refuse to eat anything else. I had this problem with my girls. I started feeding them fish, not realizing the potential issues and, after researching the matter, I tried to switch them to other flavors. They had other ideas! Then, the brand of fish-flavored food I was feeding was discontinued and they refused to eat wet food altogether. They would only eat dry. I have finally switched them back to wet (chicken-flavored Weruva). I now don’t give them fish, because I don’t want to go back to the problems I earlier had with them refusing to eat anything else.

Interestingly, when I was switching one of my girls (Abby) from dry to wet, the only way I managed to convince her to accept the wet was to put some fish Weruva on top of the chicken. But, each day, I reduced the amount of fish I was feeding her, so that by the end of a week, she was only eating chicken. So, if you do want to switch your cats away from fish, you might try putting a bit of fish Weruva on top of the chicken or beef and see if they just keep on eating through the fish into the chicken or beef.
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Old 10-02-2010, 09:50 PM   #4 (permalink)
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Quote:
Originally Posted by marie73 View Post
Here's an article that was shown to me when I had questions about fish:

Little Big Cat
Great article, Marie!

Some of the high points (direct quotes):
  • Many cats are sensitive or even allergic to fish; it is one of the top 3 most common food allergens.
  • There is a known link between the feeding of fish-based canned cat foods and the development of hyperthyroidism in older cats.
  • The meat is toxic and the industry is environmentally destructive--need we say more?
I do feed sardines to my kitties for the Omega 3s; one fish once a week. Sardines, invariably wild-caught and often in a sustainable manner, grow to adult size quickly, live only six or seven years and eat mostly plants (all of which limits their exposure to PSBs, mercury and other heavy metals and toxins).

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Old 10-02-2010, 09:56 PM   #5 (permalink)
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When I rescued Cinderella, she was being fed tuna. Not tuna-flavored cat food, but actual Chicken-of-the-Sea tuna! OMG, what a nightmare. She preferred fish-flavored cat food, of course, but near the end, she was almost completely switched over to non-fish food.
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Old 10-03-2010, 02:40 PM   #6 (permalink)
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Thanks for the suggestions, I was concerned because I had just ordered and received 6 cases of the Weruva fish flavored canned food. I had bought them on Amazon.com and they do not accept returns. That is a lot of food to waste. Then I started reading on here how so many do not feed their cats fish and started wondering why...I am now going to start buying the chicken flavored cans and do as Susan suggested, putting the fish flavored over the chicken and see if they will eat that. My two current cats never liked the non-fish flavored cans before so I am hoping that this works!!

I also recently checked the Greenies treats ingredients and noticed that they also contain menadiaone in them too, all the flavors, not just the fish flavored treats. And I bought those in bulk as well! Does anyone else give their cats Greenies treats? Thanks everyone for your suggestions!

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Old 10-03-2010, 03:57 PM   #7 (permalink)
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I haven't bought them in a long time, but my girls LOVE Greenies.

Like most things, in moderation - as a "treat" - I think they're fine.

If your cats don't have any adverse reaction to the fish-flavored cat food, I think you could put it into your rotation every few days, or use it as topping as Susan suggested until it's gone. Cinderella and Cleo ate it for years with no problems.
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Old 10-03-2010, 06:24 PM   #8 (permalink)
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No Greenies in this house...Maggie brought one up one day...the first problem was that she swallowed it whole, so no help for the teeth. The second issue was that the darn thing had swollen to about 4 times it's original size and looked and felt like a piece of rubber. Can't imagine how they get digested.
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Old 10-03-2010, 06:54 PM   #9 (permalink)
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Whoa!! No more Greenies here then, either.
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Old 10-03-2010, 07:34 PM   #10 (permalink)
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Uhh, good to know about the Greenies...I've haven't tried them yet, and now I don't think I will.

On the fish topic, I think Rochelle was fed fish by her previous owner. It was a nightmare getting her to eat anything but salmon and tuna canned flavors for the first month and a half we had her. I had read the 'Little Big Cat' article listed above, and I knew I wanted to switch her as soon as possible. I bought some 100% Tuna Flakes from 'Drs. Foster and Smith', and each time she'd get a non-fish canned meal, I would just sprinkle a few on top, lessening the amount over time. She'll now eat all non-fish flavors of canned, with no Tuna Flakes added.

Fish is only given as a treat now...I have both the 100% Tuna Flakes and the 100% Salmon Fishies from 'Drs. Foster and Smith' (at least I know the fish is all thats going into their systems with those), they get a can of salmon canned a week, and they will start getting the occasional raw sardine (I'm working on slowly switching them over to raw from canned).
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