MILK QUALITY QUIZ – 10 QUESTIONS
Have a bit of fun with these questions, and try them out without warning at morning tea or at the next staff meeting, and give a prize for the top score. Do it again a few weeks later. Then at the next meeting, go around the table and get everyone to come up with a question of their own for the rest to have a go at. Answers at the bottom.
1. How many milkings should a heifer be milked for before her milk is saved for the silo?
2. If the cold water going through you plate cooler is 14 degrees, at what temperature should your milk be entering the BMT if your plate cooler is working efficiently?
A 12 degrees.
B 18 degrees
C 16 degrees
D 20 degrees.
3. How often should you use a new set of milk filters?
A When ever you think about it.
B Once every day.
C Once a week.
D At the start of every milking.
4. What is the temperature that a hot water cylinder should be set at?
A 80 degrees
B 60 degrees
C 65 degrees.
D 90 degrees.
5. What is the minimum flow rate through a jetter.
A 3 litres/ minute
B It doesn’t matter.
C 2 litres/minute
D 2.5 litres/ minute.
6. If we started off with 50 coliform bacteria per ml of milk, in ideal growing conditions how many could we have after 100 minutes?
A 400 bacteria/ml
B 1600 bacteria/ ml
C 2000 bacteria/ml
D 800 bacteria/ml.
7. If rubberware is old and perished what is the most likely grade you will encounter?
D Somatic cell
8. If you encounter a protein soil in the plant, what is the best chemical solution to clean it off with?
A Acid solution
B Just straight hot water.
C Chlorinated alkali solution.
9. At what temperature should milk in the BMT be within 3 hours of completion of milking?
A 10 degrees
B 7 degrees
C 5 degrees
D 15 degrees
10. Why is it important to get milk temperatures down quickly after milking?
A It makes it easier to pump out by the tanker/
B It increases the life of the BMT/
C It slows down the multiplication of bacteria.
D Milk won’t turn to butter from the action of the stirrer.
Answers : 1-C; 2-C; 3-D; 4-A; 5-A; 6-B; 7-C; 8-C; 9-B; 10-C