Rio Grande Herald (Rio Grande City, Tex.), Vol. 21, No. 48, Ed. 1 Thursday, December 7, 1972 Page: 14 of 24
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New Vaccine Being Tested
For Treating Calf Disease
THURSDAY, DECEMBER 7, 1972 THE RIO GRANDE HERALD PAGE 14
WESLACO—A promising new
vaccine which could eliminate
many problems associated with
the present treatment for dead-
ly bovine viral diarrhea (BVD)
has been developed and Is now
under test, according to Dr.
Jerry Cowley, area livestock
specialist for the Texas Agri-
cultural Extension Service.
BVD is one of the major eco-
nomic problems of the cattle
industry. Each year, Cowley
said, an estimated 4,000,000
calves die from BVD and rela-
ted enteric diseases.
For years there have been
vaccines effective against the
ailment but up till now the
treatment has been about as
rough as the disease it's sup-
posed to cure, especially in the
case of younger calves where It
hits the hardest, Cowley ex-
plained.
"Vaccines now used for BVD
are made from weakened live
viruses, which may cause se-
vere post-vaccinal reactions,
abortions and reduced milk pro-
duction in cows and infertility
in bulls," he emphasized. These
vaccines, Cowley explained, are
meant for calves from six to
nine months of age but are used
extensively on younger calves.
In very young animals they
can be hazardous and may even
cause a mild clinical BVD in-
fection.
Many calves die. However,
even those which survive are
weakened and susceptible to
other infections. Recovered
cattle usually suffer a setback
and rarely reach their full po-
tential.
Now Agricultural Research
Service scientists at the Na-
tional Animal Disease Labora-
tory, Ames, la., have developed
a promising new vaccine which
apparently eliminates most of
these problems, Cowley re-
ported. The experimental vac-
cine is made from a strain of
inactivated BVD virus which
produces an immune response
in cattle without the risk of
spreading live virus to sus-
ceptible animals.
The treatment was evalua-
ted for safety and potency In 75
calves and cattle of all ages.
There were no post-vaccinal
reactions and after exposure to
virulent BVD virus a high level
of protection was demonstrated
In the vaccinated calves. The
non-vaccinated control calves
had diarrhea, fever and loss of
appetite, he said.
Cowley emphasized the ex-
perimental vaccine will not be
available to the livestock indus-
try until field tests have been
evaluated and appproval grant-
ed by the USDA's Animal and
Plant Health Inspection Service.
New Brain Sensing Device
May Monitor Tumors' Growth
HOUSTON - An ex-
perimental aevice to sense the
buildup of internal pressure on
the brain may in the near fu-
ture be adapted to continuously
monitor the growth of brain tu-
mors in man, a scientific con-
ference was told here Tuesday,
the battery-operated device,
about as big as a matchstick, is
fully implantable in the brain,
stopping the risk of infection
from devices now used which
require an opening in the skull
of the entire time the sensor is
inside, Carl A. Ruscetta said.
Ruscetta, vice president of
Bio-Tel Western, Inc., of Salt
Lake City, spoke at the 1972
National Telecommunications
Conference being held here.
Since the brain is enveloped
by the skull, any swelling may
press it against the bone, doing
irreversible brain damage, he
said.
Rucetta said the device is im-
planted by cutting a flap in the
scalp and drilling a tiny hole in
the skull. The sensor is put be-
tween the skull and the dura, a
tough leathery membrane that
protects the brain.
The transmitter for the de-
vice is put on top of the skull,
and the whole thing is then cov-
ered with the scalp, he sad.
The device can run for about
400 hours, he said, sending out
signals to be recorded in graph
form and read by the doctor,
who can judge at any moment
the buildup of pressure brought
by tumors, injury or bleeding.
A 14-year-old girl with severe
head injuries in June was the
first patient on whom the de-
vice was implanted, he said. At
signs that pressure was rising
dangerously, the comatose girl
was treated with drugs and oth-
er methods to reduce pressures .
Ruscetta said she suffered only
mild brain damage and her
prospects for complete recov-
ery are considered quite good.
In other cases, the device not
only showed when pressures
were high but showed when-
contrary. to a doctor's ex-
pectations— the pressure was
normal. For example, he said,
one patient had a blockage of a
blood vessel to the brain and
the absence of pressure report-
ed by the sensor caused the
doctor to look elsewhere and
find it.
So far, the device has been
used in only five patients, he
said, but Ruscetta added he is
convinced it is proving its
worth and expects in the near
future to adapt it for long-term
use in tumor patients.
Local
man
arrested in NM
ALBUQUERQUE, N.M.
— Six persons were being held
in Bernalillo County Jail today
in connection with the seizure
by police of some 1,000 pounds
of marijuana from a rented
van.
State police Lt. Jess Sosa
said the vehicle had been under
serveillance by city, state and
federal narcotics officers since
Thursday. The marijuana val-
ued at about $160,000 was
seized from the van, parked at
an Albuquerque motel, Friday.
Police said four persons from
out-of-state were arrested early
Friday on federal charges of
possession with intent to dit> •
tribute marijuana. Held on $10,-
000 bond were Ronald Dale
Russell, 3G, of Boulder Creek,
Calif., Chris Allen, 32, of Los
Angeles, and Margaret Daniels,
24, of Hidden Acres, Herald-
burg, Calif. Held on $100,000
bond was Samuel Frank Vale,
29, of Rio Grande, Texas., who,
officers said, also was wanted
on narcotics charges in Texas.
Arrested later in the day on
federal charges of conspiracy
to smuggle marijuana were Ro-
derick Sharp, 26, formerly of
Santa Fe, and Ralph R. Han-
son, 33, of Santa Fe.
NOTICE
Important Meeting
Public Invited
7:30 P.M.
Ringgold Multi-Purpose
Center
Topic: New Hospital
Do Come-Bring
A Friend
IA CASITA FARMS, INC.
Rio Grande City
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Trejo, Raul. Rio Grande Herald (Rio Grande City, Tex.), Vol. 21, No. 48, Ed. 1 Thursday, December 7, 1972, newspaper, December 7, 1972; (https://texashistory.unt.edu/ark:/67531/metapth194384/m1/14/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Rio Grande City Public Library.