Poultrymen
(Continued from Pace 1)
500,000 birds or more. The potential could be there for
even more serious outbreaks in the next six months.
Mallinson said that he is putting the weight of the
responsibility on industry people and is persuading them
to get around to backyard poultry flocks in order to
vaccinate the birds at either little or no cost to the owners.
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New Holland 67 Baler
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John Deere 24T
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New Holland 275 w/thrower
NH 269 w/thrower
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JD #l2 w/smgle row head
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“This is for the protection of both large and small poultry
flocks,” Mallinson indicated.
-Mallinson also emphasizes that anyone buying and
selling poultry be extremely careful with shipping crates.
“Be sure they’re cleaned and disinfected,” he warns.
“Ask the hauler to do it, or do it yourself. Crates are a
notorious source of infection, he added.
In a special alert sent out to key Lancaster County
poultrymen, Mallinson says:
“Only you can set the priorities of money and time, or
provide the incentives and push needed to assure
laringotracheitis (LT) vaccination of backyard flocks....
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USED COMBINE SPECIALS
AC C w/4 Row Corn Head 14’ Platform
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Lancaster Farming, Saturday, October 21,1978
Dr. E.T. Maliinson, chief of avian health at the
Pennsylvania Department of Agriculture’s Bureau
of Animal Industry, urges everyone connected with
Lancaster County’s poultry industry to work
towards vaccination of all flocks - large and small -
in order to contain potential outbreaks of
laryngotracheitis which affected more than a half
million birds in the Garden Spot last Winter and
Spring.
The idea is to protect everyone’s pocketbook - companies
and farmers. Much of last year’s problems originatd in
backyard flocks. Let’s avoid a repeat of last year’s costly
outbreak.
“Don’t let the hot Summer and no confirmed LT out
breaks since May, lull you into thinking this disease has
gone away. Summer does not lend itself to LT outbreaks.
However, the cool weather of Fall and Winter does favor
the return of trouble and unprotected backyard flocks
would be one of the major sources.”
Maliinson says further that “the expense of vaccine is
nil compared to the economic consequence of LT out
breaks in neighboring commercial flocks.” He explains
that immunization against the disease will significantly
blunt the spread of disease from from backyard flocks to
all layer, breeder, and broiler flocks.
“LT spreads in so many different ways, such as by
rodents, wild birds, etc., that your flock cannot be con
sidered completely isolated from backyard flocks. Im
munization of backyard flocks, therefore, is essential,”
the veterinarian says.
Maliinson notes in lus discussion of the disease that
attempts to reach backyard flock owners through feed
stores, news releases, and other efforts have been
“discouraging.” He is therefore asking for voluntary help
from poultrymen to get the small flocks immunized at
either low cost or free of charge.
The avian health chief urges poultrymen to take the
following action, and “the sooner, the better,” he adds.
Commercial flock owners - Supply and when necessary
apply mild LT vaccine to backyard flocks in your
neighborhoods. Be sure that chickens owned by your
employees are immunized.
Hatcherymen - Arrange for LT vaccination when small
lots of chicks are purchased for raising past 16 weeks of
age. You could make arrangements for such vaccination
when such lots of chicks are pickled up or delivered.
Pullet growers - Administer LT vaccine to all pullets
moved into the Lancaster County area, including those
shipped into backyard flocks.
Mallinson is persuading poultry servicemen to en
courage implementation of the above plan by asking them
to help poultrymen locate backyard flock owners,
promote LT vaccination, and providing a mild LT vac
cine.
The avian health chief also notes that anyone working
with the backyard flocks in question must foUpwpersonal
and clothing security procedures developed by the Lan
caster County Poultry Association’s LT Task Force before
returning to commercial poultry operations.
LT is a respiratory ailment which has a five to 17 per
cent mortality rate. Symptoms of the disease include
watery eyes, coughing, sneezing, general breathing
difficulty accompanied by a wheezing noise, and a
shaking of the head. The affected birds may also be
detected by their open mouths and gasping. A significant
drop in production will also be noticeable.
Mallinson says if a poultryman notices any of these
symptoms, he should notify the diagnostic laboratory,
adding that detection and quarantining are highly im
portant in controlling the disease.
Because of the seriousness of outbreaks occurring from
last October through May of this year, the possibility
arises that even worse outbreaks could arise this year if
poultrymen don’t take words of advice seriously.
Special precautions are mandatory in the use of LT
vaccine. They include:
The same bottle of vaccine can be used to immunize
more than one backyard flock ONLY if it is continually
kept on ice and used within two hours. Any unused vaccine
must be destroyed in accord with the manufactuer’s in
structions. NEVER save unused vaccine.
More information can be obtained from Dr. Mallinson at
the Bureau of Animal Industry, Harrisburg; Lancaster
County Agricultural Extension Agent Jay Irwin, Farm
and Home Center, Lancaster; or Donald Parke, PennAg
Industries Association, Ephrata.
33