This goes for any meat...but freezer burn is caused by excess moisture. This moisture usually comes from the meat itself (but can also come from ambient air in the storage bag). So the best way to avoid it is to vacuum seal all your meat to remove all excess moisture. Once opened you should use good freezer zip lock bags and burp them (you can use your mouth to suck the air out).Originally Posted by reediculous
You should package all meat in single serving packages - when you pull only a few mice out of a larger bag you have more air and have allowed the remaining mice to thaw somewhat (even slightly can lead to freezer burn). package your feeders by serving size (so if you need 5 per week put 5 in a single bag)
Other ways to get freezer burn is to allow your food to slightly thaw (thawing pulls the moisture out of the meat) so opening the freezer door for too long, too much excess air in the freezer or bag all can lead to freezer burn. Open and shut the door quickly.
Hope this helps.
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