It had long been suspected that the egg came first but now we have the scientific proof that shows that in fact the chicken came first, said Dr. Colin Freeman, from Sheffield University's Department of Engineering Materials, according to the Mail.
Best Answer: The sap should be stored at a temperature of 38 degrees F or colder, used within 7 days of collection and boiled prior to use to eliminate any possible bacteria growth.
This is dependent upon many factors, but you can generally expect to collect 5 â 15 gallons of sap per tap per season. What makes sap flow? Sap flow is caused by pressure difference within the tree when the temperature fluctuates.