Got Milk?

Milk Most wholesome & complete food Oldest agricultural industry dates back 7,000 years

Care of Milk Milk is easily contaminated with bacteria udder is close to ground Pasteurization: heat to 161 degrees F for 15 seconds- kills bacteria

Dairy Breeds- Holstein Holstein: most popular breed in U.S. largest breed most milk production lowest butterfat in milk black & white

Dairy Breeds- Jersey Jersey: smallest milk breed , light brown color least milk most butterfat fat on meat is yellow (because of butterfat)

Dairy Breeds Guernsey: milk is yellower due to high content of carotene Ayrshire: newest breed, looks like Holstein but red & white good foragers of grass Brown Swiss: oldest breed, dual purpose breed (meat & milk)

Dairy Breeds- Brown Swiss Brown Swiss: oldest breed, dual purpose breed (meat & milk)

Milking Dairy cows require lots of high quality feed & water Dairies usually milk 2 times each day (or every 12 hours) udder is washed & dried dip teats in iodine to disinfect & close sphincter muscle milking machine pipes milk to a cooling tank

Milking Any cows treated with antibiotics, milk is not suited to humans can cause a whole truck of milk to be dumped out due to contamination Lactation period = 10 months, dry = 2 months Freshen: cows calve and begin to lactate Colostrum: mothers first milk, loaded with antibiotics etc. for the calf