Milking machines

Question 1

At what pressure is the milking machine at?

Answer 1

42-48kpa

Question 2

What is wet milking?

Answer 2

Inadequate vacuuming or blocked air bleeding

Leads to milk (+ pathogens) being flushed up into teat canal

Question 3

Why do cows paddle/kick off the milking machine?

Answer 3

When finished milking (overmilkin)
Faulty vacuum pulsator
Hard liners

Question 4

If washing teats pre-milking, they should always be dry before adding the machine. How long should the contact time be when using pre-milking disinfectants?

Answer 4

30 secs - 2 mins

Question 5

Why is fore milking done?

Answer 5

LEGAL REQUIREMENT - identify mastitic cows

Stimulate milk letdown

Question 6

How long should be left between teat preparation and attaching the cluster?

Answer 6

60-90 seconds

Question 7

What should loafing time be post-milking?

Answer 7

20-30 mins (length of time it takes for teat canal to close)

Consider shorter if lameness

Question 8

Parlour washing usually requires 1 cold rinse per day and 1 hot rinse per day. What pathogen requires 2 hot rinses per day?

Answer 8

Staph aureus

Question 9

What percentage of the herd should be teat scored?

Answer 9

20% minimum

Question 10

What is the milking order for cows?

Answer 10

Heifers
Fresh calvers
High yielders
Low yielders
High SCC
Mastitic cows