Dairymen Get Feed And Feeding Tips
LEOLA (Lancaster Co.) —“You
don’t make money when you feed a
cow like a pig,” said Dr. Larry
Chase, assoc, professor, animal
science, Cornell University. Dr.
Chase was the speaker at the
McCracken’s Feed Mill dairy
man’s seminar. The discussion
centered around feed management
goals that included: 1. Maximize
dry matter intake; 2. maintain
adequate fiber and chewing;
minimize the “shock” of sudden
ration changes to the rumen and 4.
feed both the bacteria and the cow.
Since 20 drops of rumen fluid
contains 10 to 40 billion bacteria,
researchers figure the 30 to 50 gal
lon capacity of the cow’s digestive
system may contain 817 trillion
bacteria, give or take a few. “You
thought you were feeding cows,”
Chase told his farm audience, “but
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you are a micro biologist feeding
bacteria,
Chase demonstrated his remarks
with an actual rumen that was pre
served and coated with fiberglass.
The cows and the bacteria have a
reciprocal benefit to each other
according to Chase. The bacteria
receive housing and heating, gar
bage removal, adequate nutrition
and a natural environment. Since
these “bugs” are so well cared for,
they in turn provide for the cow,
microbial protein, amino acid
balance, synthesized B vitamins
and fiber digestion.
“How does that bale of hay get to
be milk,” Chase asked. “The bac
teria eat it up in the digestive pro
cess. Fifty to 80 percent of the
absorbed protein is from the bac
teria in the rumen. If we have the
microbial protein at top efficiency,
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In the process of eating feed and
chewing cud, a cow has 40 to 60
thousand jaw movements per day.
Chase said if the farmers didn’t
believe these figures given by
researchers, they should go home
and count for themselves. This
humorous interchange between
farmers and professor was made to
make the point that a cow needs
some ruffagc in her feed to have the
proper digestion. When the proper
balance between ruffage and short
feed is achieved, both milk produc
tion and butter fat test remains
balanced and at higher levels.
Dairy County Agent, Glenn
Shirk reminded the dairymen of the
county dairy days to be held at the
Farm and Home Center on Febru
ary 26 and March S. In addition, the
heifer housing that was so popular
has be scheduled to run again on
March 6. More details are available
from the Lancaster County exten
sion office.
Dr. Larry Chase used a replica cow rumen to make points
about feeds and feeding.
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