It isn't cold enough to keep it fresh. Mushrooms Store mushrooms in a closed paper bag in the fridge for up to one week. Don't store mushrooms in the crisper drawerâit's too moist. Onions Place onions in a perforated bag in the refrigerator for one to two weeks.
Keeping the room temperature between 72-80 degrees will ensure their comfort. Temperatures that are too high, or low, can stress the rats and lead to health problems. Laboratory guidelines for temperature are 20-26 degrees Centigrade (68-78.8 Fahrenheit). For breeding situations the recommended temperature is 24-26 degrees Centigrade (75.2-78.8 degrees Fahrenheit).
Lifespan Records of Pet Rats: How Old Was the Oldest Pet Rat That Ever Lived? Currently, there is a jaw dropping record for the longest lived pet fancy rat in history, that dates to 1995. A laboratory rat who was named Rodney lived to the ripe old age of 7 years and 4 months; is that unbelieveable or what?? He almost tripled his expected lifespan!