Milking machine
bottom of each catheter to close off the opening.
• Several U.S. patents were granted for milking
tubes joined by flexible rubber tubing to direct
the milk to pail.
• The extensive tubing increased the problem of
contamination already present with the use of
catheters.
• .
• Catheter milking was blamed for
various problems, such as spread
of disease, weakened sphincter
muscles causing continuous
dribbling, and injury to the teats.
• At this point, The American
Agriculturist began to accept
advertisements for milkers,
although, very few were printed.
Their expressed opinion was that
the milkers were of little value, but,
did no apparent harm to the cows.
Variety
• The great variety and number of early milking
machines can be categorized into two groups,
those that tried to emulate hand milking
(mechanical pressure devices), and those that
tried to emulate the sucking calf (vacuum
devices).
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