BY LJ. HUTCHINSON
Penn State University
UNIVERSITY PARK (Centre)
There are normally five differ
ent species of lice that can attack
cattle in North America. The four
blood-sucking lice are the little
blue louse, the longnosed louse,
the shortnosed louse, and the
cattle tailed louse. These lice are
considered to be the most eco
nomically damaging to cattle
because of the health problems
they can cause. The cattle biting
louse is a chewing or biting louse
and is not considered to be as a
great a problem because it does
not suck blood.
Lice are host specific, spending
their entire life on their specific
specie of animal. Lice are general
ly spread from animal to animal
by direct contact, the most com
mon means of transmission being
from cow to calf. Fall or early
spring calves are unthrify cattle
usually having the heaviest lice
infestations. These cattle are usu
ally in poor condition with rough,
patchy haircoats that have a dirty
appearance. Heavy lice infestation
can cause severe blood loss of the
host animals which can cause
reduced weight gains, lowered vit
ality, disease resistance and milk
production. Cows may abort due
to louse-induced anemia.
Cattle are most susceptible to
lice during the winter months.
During the cold weather, the time
it takes for the eggs to hatch and
grow into adults is three to four
weeks. This cycle is slowed down
with warmer temperatures. The
maximum life for lice is approxi
mately 45 days.
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Cattle Producers Should Watch For Lice
The preferred sites for lice are
the base of the tail, shoulders, and
the back. When infestations are
heavy, lice populations can cover
the whole body. Lice live on the
surface of the skin and can be seen
with the naked eye. To determine
the intensity of infestation, look in
Limousin Group Publishes Sire Summary,
DENVER, CO. The North
American Limousin Foundation
has recently completed the fif
teenth edition of the Limousin
Sire Summary and the second edi-
tion of the Limousin Dam Trait
' Leader List. Both listings evaluate
cattle in each of the four traits eva
luated by NALF with Expected
Feeder Cattle Meeting
Set For Lancaster County
BLUEBALL (Lancaster)
The Eastern Lancaster County
Adult Farmer Program will con
duct a meeting to discuss the buy
ing and selling of beef cattle. This
meeting will be held on Wednes
day evening, January 18, at 7:30
p.m. at the Blue Ball Elementary
School. Putting cattle in the feed
lot is a little like playing the lot
tery - there is a lot of gamble to it,
so it should be interesting to hear
what the expert predicts for the
future.
Reggie Reynolds, executive
secretary of the Virginia Cattle
men’s Association, will be sharing
good information on the selection,
20
several different areas by pulling
back the hair with both hands.
Look for movement on the skin or
the eggs which attach to hairs
close to the skin. These are seen as
small white dots. More evidence
of lice is a crusty scale which bit
ing lice produce.
Progeny Differences. The traits
listed are birth weight, weaning
weight, yearling weight, and milk
ing ability.
Both lists have specifications
which must be met in order to
make the listing. There are
approximately 200 cows listed in
each of the four traits in the Dam
buying, and selling of cattle as
well as discussing the Tel-o-
Auctions and the Satellite/Video
Auctions. He will provide some
insight into the effort his associa
tion makes to assure uniform qual
ity as catde are grouped for sale
and he’ll look into his crystal ball
to see what is ahead for cattle
prices in the next few months and
long term.
All interested persons are
invited. The Blue Ball School is
located 'A mile east of Blue Ball
on Ewell Road, between Route 23
and 322. For further information
call the Adult Farmer office at
354-4525.
arn
rse
New Holland, PA 17557
Generally, animals m good con
dition will not carry a heavy infes
tation of lice. Organophosphate
compounds and ivermectin are
available and can be used to con
trol lice as well as other parasites.
Check labels when using on lac
tating and nonlactating cattle.
Trait Leader List and approxi
mately 75 in each trail for the Sire
Summary, with about 1100 bulls
listed in the general listing.
Both the Sire Summary and the
Dam Trait Leader List are avail
able upon request from the NALF
office. With the increased use of
EPD’s both of these tools prove to
Wool Growers Auxiliary
DENVER, CO. Fem Kreh
biel, president of the National
Wool Growers Auxiliary, was
elected first chair of the newly
formed Agricultural Womens
Leadership Network during a
summit meeting in Winrock, Ariz.
‘This dynamic group of agri
cultural women established this
organization to promote commu
nication between our groups and
to promote women leaders in agri
culture,” Krehbiel said. “We can
positively impact our communi
ties, our nation and our world.”
Current issues in agriculture,
legislation, communication, poli
tics and networking were all
among the topics discussed by
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Clip & Mail
Mail To: KING CONSTRUCTION CO.
601 Overly Grove Rd.
New Holland, PA 17557
I Name:
I Address;
I Town/City;
* Zip:
Dam Trait Leader List
Chairs Ag Women’s Network
nal
.State:
.County:
Dust bags with back rubbers can
be used for preventative measures
rather than control. For heavy
infestations, dusts and sprays can
be used over the whole body.
Since the eggs are not killed by
these compounds, treatment
should be repeated in two weeks.
be in great demand. EPD’s are
available on all cattle registered
by NALF including those animals
with lower accuracies. Contact the
NALF office at P.O. Box 16767,
Denver, CO 80216 or call
303/296-8835 for your copies of
the Sire Summary and Dam Trait
Leader List.
President
participants,
Eleven agricultural groups,
including the National Wool
Growers Association, participated
in a Farm Womens Leadership
Summit at Winrock, Ariz. Mrs.
Krehbiel and Cindy Siddoway of
St. Anthony, ID, attended the ses
sions representing the sheep
industry. Other groups participat
ing were National Rural Electric
Association, American Agri-
Women, National CatUe Women,
Homemakers Council, Farmers
Union, American Farm Bureau
Federation, Association of Milk
Producers, Women Involved In
Farm Economics, Pork Council,
and the American Feed Industry
Association.
ion