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).
The best age to obtain your future pet is at the age of 5â8 weeks (mice), 6â9 weeks (rats) (females older then 6 weeks may be pregnant if housed in community cages) so they grow up with you. The average life span of rats is 2â3 years; mice 1â2 years.The average body length of adult rats is 9â11 inches; mice 3â4 inches; with an average tail length of 7â9 inches in rats and 3â4 inches in mice. The average body weight for rats is 350â450 grams for a female, 450â650 grams for a male; mice 30 grams each sex.he average body length of adult rats is 9â11 inches; mice 3â4 inches; with an average tail length of 7â9 inches in rats and 3â4 inches in mice. The average body weight for rats is 350â450 grams for a female, 450â650 grams for a male; mice 30 grams each sex.