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 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.There have been a few adult male rats that weighed 2 pounds!or two small rats, use a 15â20-long gallon tank or 14x24x18 (approximate) wire cage (minimum sizes; preferably larger) for their housing. Two female mice may be housed in a 10 gallon tank, one male mouse in a 5â10 gallon tankâthis will provide adequate room for a house, wheel, feed dish, and water bottle.