i
LANCASTER The incidence
of pseudorabies in swine has in
creased substantially since 1974,
but at a slower rate over the past
three years, according to a
recently completed U S Depart
ment of Agriculture survey
Testing of swine blood samples
over a six-week period showed an
8.39-percent level of pseudorabies,
compared with 3 73 percent found
after a similar survey in 1977-78
and 0.56 percent in a 1974 survey
Jim Downard, a veterinarian
by JAMESWAY
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Pseudorabies increasing, but at slower rate
with the Department’s Animal and
Plant Health Inspection Service,
points out, however, that the fin
dings must be viewed with caution
because the surveys may be biased
by seasonal differences, increased
use of vaccine and other factors
‘Tests cannot differentiate
between vaccinated animals and
those that are infected,” he notes
“No vaccines were available in
1974 And although USDA-hcensed
vaccines were being used during
both of the latter surveys, they
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were used much more extensively
during the past year or so. ”
Downard credits the slowing
down of the rate of increase over
the past three years to greater
producer awareness of the disease
and to enactment of state and
federal movement legulations,
along with the use of state
quarantines on mfected herds
On May 17, 1979, federal
regulations went into effect
requiring that breeding stock be
tested and founc negative On July
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1,1980, feeder pigs either had to be The survey results will be used
tested and found negative or as an a >d in estimating what the
originate in a state that has disease costs the swine industry
authority to quarantine herds This information is vital to guide
where the disease is diagnosed or producers and state-federal
suspected animal health officials in for-
Pseudorabies-also call Au- mulatmg programs for the control
jesky’s disease, mad itch in cattle an d eradication of pseudorabies
and infections bulbar paraiysis-is Data obtained from the current
a virus disease that primarily survey plus information on the
affects swine Death losses are costs to producers from
highest among young pigs It is pseudorabies was presented to the
often fatal when it spreads to Pseudorabies Ad Hoc Advisory
cattle, sheep, wildlife and dogs Committee on March 10 prior to
The disease does not affect the American Pork Congress m
humans Kansas City, Mo., Downard said.
State corn 9 oat
plantings should rise
HARRISBURG Pennsylvania 13,000 acres, unchanged
tanners intend to plant more acres u S corn plantings are expected
of corn and oats in 1981, but fewer to total 84 0 million acres, frac
acres ot barley and soybeans All tionally less than last year
hay and tobacco acreage will Soybean acreage of 69 8 million,
remain unchanged according to will be down less than one percent
the Pennsylvania Crop Reporting All hay for harvest, at 611
Service million acres will be up three
Intended acreage to be planted percent
and percent change from last year Tobacco acres will total 938,970,
as follows, corn, 1,830,000 acres, up dso up three percent Acreage of
two percent, oats, 375,000, up four oats will total 13 5 million, one
percent, barley, 75,000, down six percent more than last year
percent, soybeans, 100,000 acres, Barley acreage, at 9 1 million,
down 11 percent, all hay, 1,950,000 will be 10 percent greater than last
acres, unchanged, and tobacco, year
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330 Fonderwhite Road
Lebanon, Pennsylvania 17042
Phone: 717-274-1483
Division of Leonard Martin Company
:* *