Making sure your home insurance covers damaged property may be priority number one, but insuring your family's personal liability is an equally important part of the insurance coverage for your home.
Dairy Products. Milk, yogurt, butter, cream and sour cream are all bad choices for a compost pile. As these ingredients start to rot, the compost will emit an increasingly foul odor. Dairy products also attract pests like rodents and flies. Do not add bones, meat, animal fat, whole eggs or other animal waste in the compost pile.
Sour milk is perfectly fine. You have eaten sour cream with no ill effects. Sour milk is just a flavouring as much as sour cream is. Before pasteurization spoiled milk may have been a problem because the bacteria that is present in fresh milk is not always friendly. Now there is no problem, and as long as you have kept the milk separate from poo and eggs, cross contamination should not be a problem.