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Old December 9th, 2006, 05:22 PM
moose moose is offline
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Question Mouse scratching ear until it bleeds- what do i do?

i have an awesome little grey and white mouse i've had nearly a year. this mouse is absolutley spoiled and has a very intricate "critter trail". i only feed him the best natural mix they sell at my petstore and he regulary exercises in his ball.

i recently noticed that he has developed scabs on the back of his ear from constantly scratching. one of his eyes now appears a little puffy and i am now concerned there is a more complex problem than just the scratching of the ear. if somebody knows what is happening or has any advice of what action i should take, i would greatly appreciate it.

I also have a cat- is it possible Moose (my mouse) is allergic to the cat?

Last edited by moose; December 9th, 2006 at 05:24 PM. Reason: spelling
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Old December 9th, 2006, 07:00 PM
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rainbow rainbow is offline
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I would be a little concerned as well.....have you taken Moose to the vet yet?
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Old December 9th, 2006, 07:19 PM
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jiorji jiorji is offline
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hmmm it COULD be a change in room temperature. I know rodents have very sensitive skin and it could be that the room isn't humid enough and it's making his skin dry. He's probably got dry skin in other areas you just can't see cos of the fur.


Rainbow...it is VERY hard to find a vet that will look at small animals. Most aren't specialized in them. When I had my spcial needs hamster out of 5 vets only 1 had the spcialization and took me in. Otherwise they didn't know what to do or didn't have the right tools.
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Old December 9th, 2006, 07:21 PM
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jiorji jiorji is offline
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the scabs could also be from really tiny mites... i read somewhere that rodents can get those tiny parasites. He;d need medication
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Old December 9th, 2006, 07:35 PM
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rainbow rainbow is offline
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Quote:
Originally Posted by jiorji View Post
Rainbow...it is VERY hard to find a vet that will look at small animals. Most aren't specialized in them. When I had my spcial needs hamster out of 5 vets only 1 had the spcialization and took me in. Otherwise they didn't know what to do or didn't have the right tools.

Sorry....I didn't know that. But, I live in a small town and I know my vet looks at rodents.

Last edited by rainbow; December 9th, 2006 at 07:37 PM. Reason: spelling mistake
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Old December 9th, 2006, 09:11 PM
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MyBirdIsEvil MyBirdIsEvil is offline
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It is indeed hard to find a vet that knows rodents, though it's worth a try.
Unfortunately the best route, assuming the vet doesn't know anything about them, is to ask either a breeder or a pet store that specializes in rodents.

You could have a few problems.

Mites - Have you seen any tiny black specs? There are also mites that aren't visible to the naked eye, so if no specs are present he could still have them.

Bedding - What do you use? Mice and rats can be EXTREMELY sensitive to wood litter. Some woods are likely to cause respiratory or liver problems, and even the ones that supposedly don't will if not changed enough. ALL wood will irritate the skin in some rodents. There is also a chance that certain wood shavings will repeatedly reinfect your mouse with mites, so it's best to use a compressed paper bedding. Try to find bedding that contains no dye since some dyes can irritate the skin of rodents, especially mice and rats since they tend to burrow and bed down in the litter.

Housing - Is he housed in a tank or cage? Tanks are a bad idea for mice and rats because they're hard to keep completely clean and irritating fumes and other substances build up and harm your rodents lungs and skin.

Food - This is the most likely problem does it have any dyes in it? Rats and mice can have allergic reactions to certain dyes.
What kind of mix is it? Male mice especially seem to develop an intolerence to mixed foods, ESPECIALLY if they're a hampster mix, not especially formulated for mice. If the food you feed is not SPECIFICALLY for either mice or rats, I would not feed it.
Assuming your food IS formulated for mice, it may not be as balanced as you think. Mice usually pick out all the fattiest and tastiest parts first, and some mixes formulated specifically for mice aren't balanced anyway, whether they appear so or not. A high fat diet, or a diet consisting of the wrong type of grains will definately cause scabs and sores on your mouse, this is quite common.

The best diet for a mouse (besides homeade) is lab blocks specifically for mice and rats. Yes, lab blocks are boring, but I would try your mouse on them for awhile and see if his sores go away. You can supplement with a tiny bit of veggies(such as carrot and raw peas) and acceptable grains. The main source of the diet should be lab blocks though. Meal worms are also a good source of protein and nutrition when fed as a treat every once in awhile.

Rice, oats and barely are all acceptable grains. Millet and Sunflower seeds can be fed after your mice recovers and there is no more itching or swollen eyes. If symptoms show up again I would stop feeding them.

Don't feed peanuts because they're way too high in fat. Onion and Chocolate is toxic to mice just like cats and dogs. Sugary treats are always bad.

This site has quite a bit of info on diet:
http://www.rmca.org/Resources/mouse-faq.txt

(Section 3 is dedicated to diet. 3.08 talks about itchiness, sores and hotspots as related to diet)

Last edited by MyBirdIsEvil; December 9th, 2006 at 09:14 PM.
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  #7  
Old December 9th, 2006, 11:46 PM
moose moose is offline
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Thumbs up Thanks!

i can't thank you all enough for your quick responses. Moose thanks you too!

I use Super Shavings, which have no pine or cedar and are low in aromatic oils. i have, however, recently switched foods. instead of Fiesta, i now purchase Perfect Choice. they are made by the same brand, Kaytee, and i assumed there would be no problem.

i checked the little guy for black specks(mites) and found none visible to the eye. my cat shows no signs of fleas, mites or any general itching so i feel it's safe to rule out mites.

i will try switch to the linen, or clothe lining instead of the wooden shavings, and return to the Fiesta mix (i only switched because the PetCo in my area stopped carrying Fiesta).

the problems coincided with the food change and the weather change, so ill change back the food and change the cage lining and if that doesnt work, i'll know it's more serious.

Thanks again to everyone who replied! if anyone has further input, it is still greatly appreciated. Hopefully my next reply will be with Moose's improved health!
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  #8  
Old December 10th, 2006, 12:52 AM
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MyBirdIsEvil MyBirdIsEvil is offline
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Is the Perfect Choice specifically for rats/mice?
I found the Fiesta, which is a rat/mouse food, and the ingredients were a bit questionable but specifically formulated for those animals.
The Perfect Choice I found is formulated for any small rodent, and isn't specifically meant for just rats and mice, which would definately cause a reaction.
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  #9  
Old December 10th, 2006, 01:01 AM
moose moose is offline
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Lightbulb good call Evil Bird

it does say "small animal" and not specifically mouse/rodent. i have a strong feeling this could be the root of Moose's problem. Thank you again!
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  #10  
Old December 10th, 2006, 02:07 PM
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MyBirdIsEvil MyBirdIsEvil is offline
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No problem

Yeah when you get into the foods meant for several different animals, they're formulated for each animal to survive on, but not for any in particular to actually thrive on. Since mice are such short lived animals anyway it's always best to get foods specifically for them.
High fat foods also seem to make them more prone to cancer and tumors, which male mice already seem more prone to than the females.
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  #11  
Old January 4th, 2007, 06:23 PM
moose moose is offline
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Talking moose is doing much better!


thanks once again to all the great replies. it's been a few weeks and i wanted to make sure before reporting back, but moose is better now!

i put him back on the fiesta and the incesant scratching and scabby ears have subsided! thanks again everyone! moose thanks you too!
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