The U. S. Department of
Agriculture (USDA) has granted
a one-year, conditional license
for an Illinois laboratory to
produce two new vaccines
against leptospirosis, a disease
affecting dairy and beef cattle as
WISCONSIN
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AMOS L» FISHER
l D No 1 Box 108 Bird in Hand, Pa. 17505
Two Leptospirosis Vaccines
well as swine.
Officials of USDA’s Animal and
Plant Health Inspection Service
(APHIS) explained that the
disease causes abortion and - in
dairy herds - a sharp drop in
milk production. Symptoms
Licensed
recur year after year if the in
fection persists.
The conditional license to
produce the vaccines was
granted to Affiliated
Laboratories, of White Hall, 111.
The two new vaccines protect
against two types of leptospirosis
infection - those caused bv the
bacteria Leptospira hardjo and
L. grippotyhosa. Previously no
vaccines were available against
these two types of infection,
APHIS officials said, although
vaccines were on the market
against a third type, caused by L.
pomona.
After tests are conducted to
establish which types of
lepotospirosis organism are
involved, the whole herd should
be vaccinated, with a revac
cination four to six weeks later.
Annual revaccination should be
continued under the direction of a
veterinarian until the infection is
eliminated from the herd.
The two new vaccines were
licensed under authority of the
Virus-Serum-Toxin Act of 1913,
which provides that vaccines and
other biologies for animals must
meet government standards for
purity, safety, potency, and ef
ficacy.
APHIS officials stressed that
the new licenses are limited to
one year of production. During
this time, the licensee must
continue studies on how well the
vaccine withstands challenge by
disease organisms--both in the
laboratory and in actual farm
use. Also, the firm has to develop
an improved quality control test
to evaluate potency of each serial
of the vaccine against L. hardjo
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pardnet
In ancient Greece the laurel tiee was considered sacred to
the god Apollo, patron of poets. Hence poets who won
distinction were crowned with a wreath of laurel
y
• Here are tips for taking care
of food. Keep fresh milk covered
in the coldest part of your refrig
erator. The dairy took special
pains to bring it to you in good
condition. The rest is up to you.
Leftovers, except bread and bak
ed goods, should be refrigerated
promptly, covered, and used as
soon as possible.'
• Why do we need water? All
of the body’s chemical processes
take place in solution. Thus, wa
ter is essential. Some of the water
our bodies use each day must be
replaced because of water excret
ed. Several pints a day are used
up by our kidneys, bowels, per
spiration, and exhaled breath.
• Forming good eating habits
is one of the foundations for
good health that parents can pfiss
along to their children. To help
your preschooler eat well, serve
small portions of food. Serve his
food at medium temperature, nei
ther too hot nor too cold. Finger
foods, easy to handle, work well.
Season food moderately.
• Unless the food you eat gives
you all the nutrients you need
you could suffer deficiency diseas
es. These are not always easy to
spot until they become obvious,
such as scurvy, rickets or certain
types of anemia. This is why it is
so important to eat properly eve
ry day. Choose your foods from a
wide variety of food stuffs
JOHN Z. MARTIN
New Holland RDI
Phone 717-354-5848
your Mol-Mtu® dealer
liquid supplements
Lancaster Farming, Saturday, September 1,1973
Doctor
in the Kitchen 1 ’
J! by Laurence M. Hursh, M.D.
Consultant, National Dairy Council
NUTRITION A LA CARTE
• An effective way to interest
young children in eating good
lunches is to have them partici
pate in preparing food Your old
er children may prefer to make
their own lunches. The younger
children can help you prepare
some of the food. Whatever, with
a little guidance from you, their
interest in good nutrition should
increase.
• Foods from animal sources
contain high quality protein be
cause they generally contain more
essential ammo acids. Plant foods,
as a class, offer protein that is in
complete in some essential amino
acids That’s one reason nutri
tionists recommend that you com
bine both animal and vegetable
foods in your meals. Research
shows your body needs to have
all the essential amino a-’ids at
one time.
• To properly use carbohy
drates and obtain energy from
them, you need vitamin 81. It’s
real name is thiamin. Good
sources of this vitamin include
pork, liver, heart, kidney, whole
grain or enriched breads and ce
reals, peas and beans, nuts and
eggs. Some thiamin is available
in other meats, and in vegetables
29