Newcastle Diagnosed In California Flock
Exotic Newcastle disease of
poultry and other birds has been
diagnosed in Egg City, a 2.8-
million-bird egg-laying operation
near Moorpark in Ventura
county, Calif., the U.S. Depart
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SHOTZBERGER'S EDWIN HURST INC. LANDIS BROS. INC.
Elm 665-2141 Adamstown, Pa. 215-484-4391 Lancaster 393-3906
ment of Agriculture
reported last week.
The flock will be destroyed and
the owner paid a Federal in
demnity for their fair market
value. USDA and the California
(USDA)
Department of Agriculture have
been fighting exotic Newcastle
disease in Southern California
since mid-March, when a
national emergency was
declared because of a spreading
outbreak of the disease that was
brought into Southern California
by a shipment of exotic birds.
USDA officials emphasized
that exotic Newcastle is not a
hazard to consumers of eggs and
poultry products—that these
products are perfectly safe to eat.
There are about 34.6 million
laying hens in Southern
California. Nationwide, there are
an estimated 303.7 million layers.
Officials of USDA’s Animal and
Plant Health Inspection Service
(APHIS) explained that if the
disease became established in
this country, broilers and
replacement pullets for laying
flocks would be particularly
vulnerable. Turkey production
for the coming holiday seasons
would also be severely
threatened.
Early diagnosis of the disease
at Egg City was made possible
through the placement of
“sentinel birds.” The State-
Federal Task Force fighting the
disease In Southern California
has been using these highly
susceptible chickens—which
have been raised free of specific
diseases—as a means of detec
ting inapparent infections. The
sentinel birds, strategically
positioned among the Egg City
flock, became sick and
laboratory tests confirmed exotic
Newcastle infection.
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WENGER IMPLEMENT, INC.
The Buck
M. S. YEARSLEY & SONS
Westchester
A. B. C. GROFF, INC.
New Holland
284-4141
696-2990
354-4191
Lancaster Farming, Saturday. September 16,1972—1
APHIS officials explained that
destruction of infected and ex
posed flocks is the only sure way
of eradicating the disease.
Proper vaccination of unexposed
flocks can provide some
protection against infection with
exotic Newcastle, but once the
virus gams a foothold, there is no
other effective way of
eliminating it.
Since the declaration of the
Southern California emergency
in March, some 4.2 million birds
have been destroyed at a cost of
about $7.6 million in Federal
indemnities, according to APHIS
officials In late July, the eight
county quarantine was reduced
to about one-third of its original
size. USDA noted that the
Moorpark area is inside this
reduced quarantine area
Officials at that time em
phasized that a key to eradicating
the disease from the remaining
area was tighter enforcement of
quarantines along with greater
surveillance, including such
refined techniques as the
placement of sentinel birds to
locate remaining infected flocks.
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MOUNT JOY, PENNA.
The tea plant is an ever
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state The plants are pruned
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which results in the tea bush
yielding a greater number of
young leaves than in its
natmal state
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