easiest thing in the world
how many essential nutrients does milk contain?
13
The activity/inactivity of the enzyme _____ is the basis for confirming the adequacy of pasteurization of milk.
Phosphatase
the microbiological standard threshold for unpasteurized Grade A milk is _______ bacteria or less per milliliter of milk.
100,000
According the USDA-AMS standards, ice cream must contain not less than?
20% milk solids and 10% milkfat
To meet the definition of 100% fat-free, food must contain ________ and contain no added fat.
Less than 0.5 g of fat per 100g
How often should a bulk tank be cleaned and sanitized?
Every time it is emptied
what is the predominant method of pasteurization used for milk in the U.S?
High-temperature, short-time (HTST)
A2 Milk is produced by cows that naturally produce only type?
A2 protein
Raw milk somatic cell count must be _____ or less to meet Grade A government standards in the United States.
750,000
typical farm milk consists of____
water
What is the main nutrient provided by soybean meal in dairy ration?
Protein
The high acid flavor in milk is caused by what?
Bacterial growth
Compared to Holstein cows, on a per gallon milk basis, the average Jersey cow produces?
more fat and total milk solids
The specific gravity of milk is 1.032 at 60 degrees F. Knowing the specific gravity of milk sample and testing the freezing point of milk with a cryoscope is used to determine?
Adulteration
how long does it take for the cow to reach optimal oxytocin, after udder stimulation?
1 to 2 minutes
For removing biofilms from milk equipment, which of the following is expected to be the most effective?
Peracetic Acid
What is the most common cause of high bacteria counts in milk?
Dirty milking equipment
What is the protein in milk that entraps milk fat within the curd matrix during the manufacture of cheese?
Casein
Which portion of milking procedure is recommended because it flushes potential mastitis- causing bacteria from the end of the teat canal, allows you to observe early signs of clinical mastitis and helps promote milk letdown?
Forestripping
similar to human fingerprints, cow _____ are detailed, nearly unique, difficult to change, and remain the same over the life of an individual, making them ideal long-term markers of identity.
noses
While cow numbers in the nation's dairy herd held steady in2021, the dairy farm numbers did not follow the same course. Dairy farm numbers fell to under the threshold for the first time since America's pioneer days. What did they fall to?
30,000
What does the California Mastitis test test for?
Somatic cells
The off-flavor in milk generally caused by exposure to sunlight or fluorescent light is what?
Oxidized
One gallon of milk weighs approximately how many pounds?
8.6