Al4—Lancaster Farming, Saturday, March 1,1950
Mastitis, prostaglandin
featured
BY PATRICIA GREEK
DOVER The annual
York County Dairy Day
program was held Thursday,
February 21 at the Dover
Fire Hall.
The program began with
Steve Spencer, Penn State
extension dairyman,
speaking on mastitis control.
According to Spencer, the
most prevalent form of
bacterial mastitis is Strep A.
This type is highly con
tagious and immune to many
mastitis treatments.
All forms of bacteria that
cause mastitis enter the
udder through the teat end.
They normally live only in a
cow’s udder, but can live on
a human’s hands for 48
hours.
Thus, the infection can be
transmitted from one cow to
the next.
Spencer noted that teat
dipping does influence
mastitis control. A study was
made using 19 herds that
used teat dip and 10 that did
not. There were fewer cases
of mastitis in the dipper
herds than in the herds that
were not dipped.
Dry treating a cow also
helps, Spencer said.
The next speakers talked
about a milestone reached in
breeding heifers, the
prostaglandin injection.
Speakers on this subject Farmers, therefore, can
were Kevin Williams and choose the exact t’me they
Carol Reese, both of the want their heifer to enter
Upjohn Company. the milking string.
Prostaglandin was first Williams then told the
discovered in the 1930’s by a audience the basics needed
Swedish scientist. The real m the use of prostaglandin,
breakthrough didn’t come First off, a farmer needs a
until the late 1960’s when it normally cycling heifer. If
was discovered how to make she isn’t cycling every
man-made prostaglandin. month, then it’s just a waste
According to Williams, the of money,” he said.
Upjohn Company has Good nutrition and herd
Federal clearance to use this health are also essential,
drug on dairy and beef The heifers are given an
heifers, but not on lactating injection while in the 6to 16
dairy cows as of yet. days of the heat cycle when
There are many benefits there is a corpus lutem on
for the use of this program, the ovary. Then comes a
The dairy farmer can reduce wait of 11 days,
or eliminate heat detection After the 11 days, the
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Kevin Williams, of the Upjohn Corporation,
outlined the advantages and cautions farmers
should consider when using prostaglandins.
in heifers. Artifical in
semination can be used more
efficiently, with genetically
superior calves being
produced.
heifer gets anotherinjection.
After waiting another 80
hours, the farmer breeds the
heifer.
The drug is not a fertility
drug. Farmers should ex
pect the normal conception
rates for their herd.
Williams stated there was
no meat residue with the use
of this product, but there is
one side effect. If the animal
is already pregnant when the
shot is given, she will abort.
Anyone who intends to use
this prostaglandin injection,
should get in touch with their
veterinarian first, he ad
vised.
The Upjohn trade name
for prostaglandin in
Lutalyse. The product comes
in lOcc vials.
The usual dose is 5c per
animal per treatment. The
average cost is $5 per dose.
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