A26—Lancaster Farming, Saturday, March 3,1984
Noorlander challenges dairymen
BY ROBIN PHILLIPS
Staff Correspondent
SCHAEFFERSTOWN -
Dairymen had the opportunity on
Feb. 22, to hear a nationally known
author, teacher, inventory, and
researcher in the milking equip
ment field. Dan O. Noorlander, of
California, spoke on “Producing
Quality Milk,” to almost 200
dairymen at an 1.8. A. sponsored
farmers meeting at the Schaef
ferstown Fire Hall.
Noorlander’s influence is seen on
almost every dairy farm today. He
invented the California Mastitis
test with Oscar W. Schalm, and
was extensively involved in the
development of techniques to test
dairy equipment.
He encouraged the use of
balance tanks, low lines, and
larger lines nationwide.
He was also a leading researcher
on narrow bore liners, silicone
liners, and one of the first ad
vocates of dry cow treating.
Through his many years of trial
and error research, Noorlander
develdped many patents for teat
cup inflations. He has paved the
way for a better understanding of
how bacteria can invade the udder
and believes that the dairy in
dustry needs impartial researchers to
develop new and better concepts.
concepts.
Noorlander has worked for
several different companies and
universities researching milking
machines. He developed the
pulsation recording machine used
widely today and also the square
silicone inflation extensively
marketed by 1.8. A.
“Milking machines can be
designed to function properly,”
Noorlander said, “but the best
milking machine hasn’t been
designed yet.” The type of
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researcher who cannot be bought,
Noorlander stated that “com
petition forces people to shape up.”
Disheartened by many
professors and “degreed” com
pany scientists who refuse to ac
cept his findings, Noorlander
stated that his research comes
from years and years of observing
milking practices and machines
and a trial and error approach to
... . 'ns A graduate of
California Polytechnic Institute,
Noorlander’s experiences include
managing a 500-cow dairy for
several years, in addition to his
research experience.
“The inflations are the most
critical part of the milking
machine. Does the rubber of your
inflation permit the teat to
collapse,” he asked.
He stated that the rubber
compound that is used for the
inflation is just as important as the
design. Neoprene rubber was
considered the superior rubber in
the early years of milking
machines. But, since the govern
ment has disallowed the use of this
rubber in milking, a substitute had
to be found that was soft enough to
do the job.
Experimenting with several
kinds of rubber, Noorlander found
that natural gum rubber and
silicone work the best. Because
rubber becomes porous, with
many cracks after prolonged use,
it can harbor a great deal of
bacteria in its pores. The rubber
inflations can be a major source of
bacterial contamination even after
sanitizing.
Although it does not last as long
as a silicone inflation, .natural gum
rubber inflations do work
beautifully, according to
Noorlander. They have a smoother
surface than the other kinds of
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rubber and a stretching ability
essential in a proper milking
machine. Dairymen can tell if they
are using natural gum rubber
inflations because natural gum
rubber floats and others do not.
Noorlander also added that
chlorine is hard on rubber and
cautioned against soaking in
flations in it. After cleaning, they
should be thoroughly rinsed.
Although many companies do
vanl to work with silicone
ut cause it punctures easily,
Noorlander is an advocate of
silicone inflations. They last long
and their surface stays smooth,
prohibiting any bacteria from
living in cracks. Although they are
much more expensive, silicone
inflations need only be changed
every four to six months depending
on the number of milkings used.
Shells have been developed for use
with silicone inflations to prevent
them from being punctured.
Noorlander stated that all 1.8. A.
salesmen are advised by him in the
selling of the silicone inflations.
“Don’t ever put silicone inflations
into a high risk dairy,’’ he stated.
Tbev can be utilized with great
(Turn to Page A 39)
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Older-type bucket milker is demonstrated by Dan
Noorlander, of California, noted author, investor and
researcher on milking equipment.
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