Monday, June 22, 2009
Nation's First Case of Vesicular Stomatitis (VS) for 2009 Detected in Texas
Texas Animal Health Commission
Box l2966 * Austin, Texas 78711 * (800) 550-8242 * FAX (512)
719-0719
Bob Hillman, DVM * Executive Director
For info, contact Carla Everett, information officer, at
1-800-550-8242, ext. 710, or ceverett@tahc.state.tx.us
For immediate release:
Nation's First Case of Vesicular Stomatitis (VS) for 2009 Detected in Texas
The nation's first case of vesicular stomatitis (VS) for 2009 has
been detected in a horse in Starr County, in far south Texas. VS is
a sporadically occurring virus that is endemic to the U.S. Signs of
the disease include blisters, lesions and sloughing of the skin on
the muzzles, tongue, teats and above the hooves of susceptible
livestock, which include horses, cattle, sheep, pigs, deer and some
other species of animals.
"The most recent outbreak was in 2006 limited to Wyoming only, where
17 horses and a dozen cattle on 13 premises were confirmed to have
the virus," said Dr. Bob Hillman, Texas' state veterinarian and head
of the Texas Animal Health Commission (TAHC), the state's livestock
and poultry health regulatory agency. "To prevent the spread or
introduction of infection, many states and countries will place
additional entry requirements or restrictions on the movement of
animals from affected states, or portions of the state. Call the
state or country of destination before moving livestock, to ensure
that all entry requirements can be met. Do not risk shipments being
turned away, or worse, spreading disease and facing legal action by
animal health authorities."
"Often horses are the signal, or first, animals to be confirmed with
vesicular stomatitis when the virus is active. If the blisters and
lesions are seen in cattle, sheep, pigs or other cloven-hooved
animals, our first concern is a possible introduction of
foot-and-mouth disease, the most costly and destructive foreign
animal disease. Horses are not susceptible to foot-and-mouth
disease, but anytime blisters or unusual sores are seen, animals
should be examined by a veterinarian as soon as possible."
"Move sick animals away from the remainder of the herd to protect
against disease spread," urged Dr. Hillman. "Do not move sick
animals from the premises, and call your veterinarian or the nearest
Texas Animal Health Commission area office, or the Austin
headquarters at 800-550-8242. Laboratory testing to confirm
infection can be run at no charge to the livestock owner.
"Vesicular stomatitis is painful for affected animals, but usually,
the lesions will heal within two weeks to a month. For some severe
cases, owners may elect to have an infected animal euthanized, to put an
end to the suffering. In dairies, VS infection can lead to a
substantial loss of production," said Dr. Hillman. Treatment of
VS-infected animals consists of supportive care, and antibiotics may
be needed to prevent secondary infections in the open sores. Animal
health officials in nearly all states, including Texas, require
VS-infected animals and their herd mates to be quarantined until at
least 21 days after all lesions have healed. A follow-up examination
of the animals by the state veterinarian's office is required prior
to quarantine release.
VS outbreaks are extremely sporadic, and years may lapse between
cases. Sand flies and black flies are thought to play a role in the
virus transmission, so controlling insects is important. In 2005,
the VS outbreak involved livestock on at least 445 premises in nine
states, including Arizona, Colorado, Idaho, Montana, Nebraska, New
Mexico, Texas, Utah and Wyoming. In 2004, affected animals were
detected in eight counties each in Texas and New Mexico and in 22
Colorado counties. Before the 2004 outbreak, VS had been "silent"
since 1998, when Arizona, Colorado, New Mexico and Texas had cases.
More information about VS and a map showing the location of Starr
County in Texas are available on the TAHC web site at:
http://www.tahc.state.tx.us.
Thursday, June 18, 2009
Cattle Tuberculosis Confirmed in Texas; Check with States of Destination Before Shipping Cattle
Texas Animal Health Commission
Box l2966 * Austin, Texas 78711 * (800) 550-8242 * FAX (512) 719-0719
Bob Hillman, DVM * Executive Director
For info, contact Carla Everett, information officer, at 1-800-550-8242, ext. 710, or ceverett@tahc.state.tx.us
For immediate release:
Cattle Tuberculosis Confirmed in Texas;
Check with States of Destination Before Shipping Cattle
Cattle tuberculosis (TB) has been confirmed in a west Texas dairy that has been quarantined since April when some cattle in the herd responded to a TB test being conducted prior to a sale. (The sale was canceled.)
The cattle TB diagnosis was confirmed at the National Veterinary Services Laboratory (NVSL) in Ames, Iowa, where M. bovis, or cattle TB bacteria, was grown or cultured from tissues that had been collected during the necropsy of the test-positive cattle.
The infected herd remains quarantined while the final disposition of the herd is determinedeither slaughtering the herd, or repeatedly testing and removing infected animals until the herd is free of cattle TB, said Dr. Bob Hillman, Texas state veterinarian and head of the Texas Animal Health Commission (TAHC), the state's livestock and poultry health regulatory agency. Dairy, calf-raising and dairy animal replacement operations with epidemiological links to the infected herd are being tested to determine both the origin and potential spread of the disease.
"I encourage ranchers or accredited veterinarians to call the state of destination prior to shipping bison, beef or dairy cattle out of Texas," said Dr. Hillman. "Some states may impose enhanced TB entry requirements on Texas cattle and bison. Keep in mind, too, that many states, like Texas, have implemented cattle trichomoniasis testing requirements, so call before you haul."
Dr. Hillman said Texas cattle TB-free status with the U.S. Department of Agriculture (USDA) could be in jeopardy, if the infected dairy cannot be depopulated, or if a second infected herd is detected within 48 months.
Nebraska, in early June, confirmed TB infection in a beef herd. Currently, California and Minnesota are not cattle TB-free, and areas in Michigan and New Mexico have specified zones that are not TB-free. When TB-free status is lost, breeding cattle and bison moved out of a state need a negative TB test within 60 days prior to shipment, or animals must originate from a herd that has accredited TB-free status, achieved through a formal testing and retesting program.
Texas initially gained TB-free status in November 2000, when all counties except El Paso and portions of Hudspeth Counties were declared free of the disease. (The El Paso Milk Shed had a history of recurring infection, and eventually, the dairies were depopulated. Dairies no longer operate in this area along the U.S.-Mexican border near El Paso.)
In June 2002, Texas lost TB-free status after infection was detected in a beef herd and in an operation with both beef and dairy cattle. To regain TB-free status, 2,014 Texas purebred beef herds and the state's 818 dairies were tested for the disease from October 2003 through August 2006. One TB-infected dairy was detected and depopulated. In September 2006, the USDA issued the coveted TB-free status for all of Texas 254 counties.
When exposed to cattle TB, an animal's immune system will fight the invasion by encapsulating the bacteria. This can cause the formation of lesions or growths in and on lymph nodes, mammary glands, lungs and other internal organs. Although infected, the animals may appear healthy, until the latter stages of the disease, when signs may include weight loss, coughing or breathing difficulties. The disease is not treatable in livestock.
"Cattle TB is a serious, transmissible disease that can spread among herds," said Dr. Hillman. "In the early 1900s, when the national cattle TB eradication program was initiated, more than five percent of the country's herds were infected with the disease. At that time, cattle TB posed a significant human health threat, because consumers could become infected when they drank raw, unpasteurized milk that had not been through heat-treatment to kill bacteria. Today, commercially produced milk is pasteurized. While bovine TB is still a human health threat, other forms of tuberculosis, such as the human and avian strains, now pose the greatest risk of TB exposure to persons."
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Monday, June 15, 2009
DSHS Offers Hot Weather Precautions
As many Texas areas mark record high temperatures, the Texas Department of State Health Services (DSHS) health officials offer precautions people can take to reduce the risk of heat exhaustion and heat stroke.
The elderly, the very young, people with chronic diseases and those without access to air conditioning are those most likely to suffer in extremely hot weather.
Staying in an air-conditioned area, either at home or in a public place such as a mall, library or recreation center, is the most effective way to combat heat. If air conditioning is not available, open the windows, pull the shades down to keep out the sun and use cross-ventilation and fans to cool rooms.
Other heat precautions from DSHS:
· Never leave anyone in a closed, parked vehicle in hot weather, even for a short time.
· Drink plenty of fluids, but avoid drinks with alcohol, caffeine or a lot of sugar. Don't wait until you are thirsty. Start drinking fluids at least 30 minutes before going out.
· Plan strenuous outdoor activity for early morning or evening when it’s cooler.
· Take frequent breaks when working outside.
· At the first signs of heat illness – dizziness, heavy sweating, nausea, headaches, muscle cramps – move to a cooler location, rest a few minutes and slowly drink a cool liquid. Seek medical attention immediately if conditions do not improve.
· Eat more frequently but be sure meals are well balanced, cool and light.
· Check frequently on the elderly, the ill and others who may need help.
· Adjust to the environment. A sudden change in temperature – an early heat wave or travel to a hotter climate – will be stressful to the body. Limit physical activity until you become accustomed to the heat.
· Check with a doctor or pharmacist about the effects of sun and heat when taking prescription medications, especially diuretics or antihistamines.
The best defense against heat-related illness is prevention. Staying cool, drinking plenty of fluids, wearing cool clothing and monitoring outdoor activities are keys to staying healthy in hot weather.
Tuesday, June 2, 2009
Technical and Financial Assistance to Fight Cattle Fever Tick Available Through USDA-NRCS
13434 Leopard St, Suite A14
Corpus Christi, TX 78410
FOR IMMEDIATE RELEASE
Contact: Melissa Blair, 361-241-0609, melissa.blair@tx.usda.gov
May 29, 2009
Technical and Financial Assistance to Fight Cattle Fever Tick
Available Through USDA-NRCS
The USDA-Natural Resources Conservation Service (NRCS) is providing technical and financial assistance to ranchers in a 17-county area to help fight the spread of the cattle fever tick. The conservation assistance will be available through the Environmental Quality Incentives Program (EQIP) for the Rio Grande Domestic Animal Stress/Mortality Statewide Resource Concern, since the cattle fever ticks can carry and transmit a tiny blood parasite called, ‘babesia,’ that can be deadly to cattle.
The 17 counties included are Brooks, Cameron, Dimmit, Duval, Frio, Hidalgo, Jim Hogg, Jim Wells, La Salle, Kinney, Maverick, Starr, Val Verde, Webb, Willacy, Zapata, and Zavala.
Livestock producers can voluntarily work with their local NRCS and soil and water conservation district (SWCD) to develop a conservation plan with land management practices that help them meet their land management goals and objectives. The producers will also receive technical assistance to implement the conservation plan and in installing land management practices to fight the spread of cattle fever tick.
Conservation and land management practices that are eligible for financial assistance in the cattle fever tick initiative are cross fencing, trough and livestock pipe, pond, well, brush management, range planting, prescribed burning, prescribed grazing, and wildlife upland habitat management. The installation and implementation of these practices will serve to facilitate livestock handling, prescribed grazing, alter or destroy the cattle fever tick habitat, and also help manage the wildlife, which are potential carriers/hosts of the fever tick.
“We know that in working together with the landowners and other partners to fight the cattle fever ticks, we will be that much closer to eradication,” said Don Gohmert, Texas state conservationist with NRCS. “By utilizing the delivery system already on the ground, NRCS and the SWCDs can work with landowners to develop and implement conservation plans that address the whole property in order to protect their natural resources while disrupting the life cycle of the cattle fever tick.”
Conservation plans will provide landowners the management tools he or she can follow to meet their natural resource management objectives and goals, and provide the mechanism for the management of cattle and wildlife.
Gohmert reminded agricultural producers that a conservation plan is not a contract. Only when the landowner receives financial assistance on practices identified in the plan, will he/she have contracts drawn up for those specific practices. The assistance and services provided through NRCS and the SWCDs are provided without a fee and are available to all agricultural producers.
NRCS is working in partnership with the SWCDs, Resource Conservation and Development (RC&D) Councils, Texas State Soil and Water Conservation Board (TSSWCB), Texas Animal Health Commission (TAHC), and the USDA-Animal and Plant Health Inspection Service (APHIS) on this fever tick initiative.
Interested livestock producers should visit their nearest NRCS office for more information about technical and financial assistance available to help them fight the cattle fever tick through conservation planning and implementing land management practices.
###
"The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer."
Monday, June 1, 2009
Pet Talk - Ear Care for Pets
Hot, humid days are rapidly approaching as summer slowly begins. The season means finally diving into the neighborhood swimming pool, children on summer vacation running through the streets, and grass lawns growing at seemingly breakneck speeds. But summer could also mean painful ear infections for your pet. Heat, moisture and even grass clippings could cause serious problems for your furry friend’s ear
canals.
“Allergic skin disease affecting the ears and the ear pinnaes, ear mites, foreign bodies such as plant material like a grass awn, or ectoparasites such as a tick are all probable causes of ear infections,” explains Dr. M.A. Crist, a clinical assistant
professor at the Texas A&M College of Veterinary Medicine & Biomedical Sciences. “Hair can grow deep in the ear canals causing the build-up of wax and moisture leading to bacterial growth and infection.”
The causes range from a variety of factors, but one fact seems to remain the same. Our pets often contract ear infections on a regular basis. Crist explains why our pets are so susceptible to contracting these problems.
“The basic anatomy of the cat and dog ear canal has a vertical and horizontal section that predisposes them to ear infections. Waxy debris must work its way upward and outward instead of just straight out,” says Crist. “Irritation to the ear usually results in overproduction of waxy debris.”
An ear infection can sometimes go unnoticed, as our pets cannot always tell us when something is wrong. Fortunately, there are a few warning signs that can let pet owners know when an ear infection might be present.
“Early signs that your pet may be developing an ear infection may include them scratching at their ears, shaking their head, redness of the ears, holding one ear flap slightly dropped to one side or the animal may exhibit signs that ear or ears are painful when you pet or touch around the area,” notes Crist. “Debris or a discharge might be noted in the ear canal and an odor from the ears may become
noticeable.”
If symptoms go untreated, ear infections could become very painful and cause the animal to have more severe clinical signs, sometimes requiring the pet to be sedated or put under general anesthesia to have the ears examined.
“Severe infections of the middle ear can lead to facial nerve paralysis, which gives a ‘droopy jaw’ appearance on the affected side of the face,” describes Crist. “Another complication is an aural hematoma and needs to be corrected surgically.”
If you suspect that your pet has an ear infection, it is important to visit your veterinarian to receive a full examination and diagnosis. “If a pet owner believes their animal to have an ear infection, it is recommended that they visit a veterinarian for a general dermatological history and full examination, complete with a thorough physical examination of the ear, otoscopy and cytologic examination,” says Crist. “A sample of the discharge will be obtained, examined and
identified. Once a diagnosis has been made, medications are selected and home treatment is usually continued for several weeks. The ears need to be rechecked to make sure the infection has been resolved.”
Fortunately, there are several preventative measures that can be taken to keep your pet free from pain and your wallet from becoming empty.
“Prevention is key,” urges Crist. “Heat and moisture are enemies of the ear canal and allow bacteria and yeast to flourish. Keeping the animal’s ears clean and dry is important. It is also important to check your pet’s ears regularly as part of their regular grooming routine to avoid ear infections. Giving their ears a quick glance daily could help prevent ear problems from arising.”
While it sounds simple enough, many pet owners are uninformed of the proper methods of ear care and some ignore ear care entirely.
“Routine ear cleaning is a simple method of providing ear therapy,” notes Crist. “A variety of ear cleaners are available and your veterinarian will prescribe the most appropriate ear cleanser for your pet to use during their regular grooming routine. The frequency of cleaning will also be determined by your vet.”
Ear cleaning is easy and can prevent major problems down the road and save your pet from extensive damage to their hearing abilities.
“You want to begin an ear care regimen before your pet keeps you up at night shaking their head, scratching at their ears or before the smell of their ears reaches you before your pet does,” emphasizes Crist. “Every moment that your animal’s ears are inflamed and infected causes damage to the ear canal. It is important to seek
veterinary care right away and to follow through with the treatment regimen.”
Don’t let an ear infection put a damper on your summer fun. Following a few preventative measures and being aware of the warning signs will help ensure that your furry friends are both happy and healthy.
ABOUT PET TALK...
Pet Talk is a service of the College of Veterinary Medicine & Biomedical Sciences, Texas A&M University. Stories can be viewed on the Web at http://tamunews.tamu.edu/.
Thursday, May 21, 2009
Pet Talk - Pet Influenza
The recent emergence and spread of the Swine Flu virus, also known as
H1N1, has affected people throughout the world. From school closings to
cancelled vacations, the Swine Flu has caused a lot of concern. These
concerns have led many to take extended precautions for themselves,
their spouses and their children. But what, if any, precautions should
be taken for the furry members of our families? The H1N1 strain may not
affect our animals in the way that it does humans, but similar type A
flu viruses can affect our pets.
In 2005, the first cases of the canine influenza virus were reported in
Florida and have since spread throughout the country. The virus is a
mutant of the H3N8 equine influenza virus and is a contagious
respiratory disease that may mirror signs of kennel cough, including
sneezing, coughing and fever.
“Nearly one-hundred percent of dogs that come in contact with the
virus become infected, regardless of age or vaccination history because
the virus is new to them,” says Dr. Deb Zoran, an associate professor
and Chief of Small Animal Internal Medicine at Texas A&M University
College of Veterinary Medicine & Biomedical Sciences (CVM). “Of those
infected, an estimated twenty percent of dogs will show no signs of the
disease.”
“Of the eighty percent of dogs that exhibit clinical signs, the
majority will have only mild signs of respiratory illness,” explains
Zoran. “In most dogs, the clinical signs include a low-grade fever,
nasal discharge and a persistent cough that could last up to three
weeks. In dogs that develop severe signs of illness, the clinical signs
include a high fever, increased respiratory rates with difficulty
breathing and other indications of viral pneumonia.”
The testing results for the virus cannot be obtained quickly, as the
diagnosis of canine influenza is made by sending samples for testing to
a laboratory at Cornell University for PCR of the virus. As a result,
your veterinarian may suggest that your dog be quarantined away from
other dogs to prevent the possible spread of this respiratory virus to
other canines.
Fortunately, most cases can be treated with symptomatic or supportive
care, including fluid support, antiviral therapy, bronchodilators and,
if needed, oxygen. If you believe your pet has contracted the virus, it
is important to contact your veterinarian.
“As is the case in any viral infection, antibiotics are not helpful
unless the infection is so severe that secondary bacterial pneumonia is
suspected,” notes Zoran. “Fortunately, treatment even in the most
severely affected dogs has been successful in about ninety-five percent
of cases. The key is early diagnosis and treatment, so if your canine
is showing signs of illness, such as a decreased appetite, lethargy,
fever or a cough, it is important to contact your veterinarian for
further evaluation. Your veterinarian is best qualified to make a
diagnosis and to provide advice for caring for any dogs affected with
the virus.”
There is currently no vaccine for this virus and the disease continues
to affect dogs throughout the country. The best method of protection is
to keep your animal companion away from infected dogs.
Cat owners have fewer flu concerns, as felines appear not to be
susceptible to the class Type A flu viruses and do not develop classic
flu symptoms. Cats have their own versions of respiratory viruses, but
these viruses are not influenza viruses. However, the same cannot be
said for birds, which can be just as susceptible to contracting
influenza as our canine friends.
“Avian influenza is a contagious bird disease,” says Dr. Sharman
Hoppes, an avian specialist at Texas A&M University College of
Veterinary Medicine & Biomedical Sciences. “It is usually only
infectious to birds, but can occasionally infect pigs and people. The
disease is most common in waterfowl and is often an asymptomatic
infection in ducks.”
Similar to the canine influenza virus, there are two levels of severity
observed in the avian flu.
“There are two main forms of disease: a low virulence form and a high
virulence form,” explains Hoppes. “The low pathogenic form may
manifest as ruffled feathers and a drop in egg production. The high
pathogenic form can cause respiratory and gastrointestinal signs and
sometimes lead to death.”
While uncommon, it is possible for avian influenza to spread to people.
However, this usually occurs only if the individual is in very close
contact with an infected bird.
“If an individual is infected with avian influenza, he or she can
actually become quite sick and the disease can often progress to
pneumonia or death,” cautions Hoppes. “Avian influenza is much more
serious when it crosses over to humans because most people do not have
immunity to the disease. Fortunately, avian flu has not been
transmitted from person to person like the swine flu. However, one of
the concerns of avian influenza is that it will mutate and develop into
a disease that could transmit from person to person.”
At this time, it is highly unlikely that your pet bird will contract
avian influenza, but in the event that your feathered-friend becomes
sick, care is available.
“While unlikely that your pet parrot will develop avian influenza, it
could be possible if you have pet poultry or waterfowl, as they are more
likely to contract the disease,” says Hoppes. “If your pet bird
does get sick, it is more likely to be the low pathogenic form and
supportive care is available. The best way to prevent your bird from
contracting avian influenza is to minimize their contact with waterfowl
and poultry.”
Both the canine influenza virus and the avian influenza disease can
cause detrimental health problems in your pet, but knowing the warning
signs and taking proper precautions could save both you and your
companion the worries of influenza.
ABOUT PET TALK...
Pet Talk is a service of the College of Veterinary Medicine &
Biomedical Sciences, Texas A&M University. Stories can be viewed on the
Web at http://tamunews.tamu.edu/.
Suggestions for future topics may be directed to editor@cvm.tamu.edu.
Angela G. Clendenin '91, MASCL
Director of Communications and Public Relations
College of Veterinary Medicine & Biomedical Sciences
Texas A&M University
(979) 862-2675
aclendenin@cvm.tamu.edu
Tuesday, May 12, 2009
2009 Texas A&M Beef Cattle Short Course Aug. 3-5
May 12, 2009
Contact(s):Blair Fannin, 979-845-2259,b-fannin@tamu.edu
Dr. Jason Cleere, 979-845-6931, jjcleere@tamu.edu
COLLEGE STATION – The 55th Annual Texas A&M Beef Cattle Short Course is scheduled Aug. 3-5 at Texas A&M University in College Station.
“Planning committee members from around the state have met with us and helped us put together another outstanding program,” said Dr. Jason Cleere, Texas AgriLife Extension beef cattle specialist and conference coordinator.
Drought, high production costs, emerging diseases and a weakened market have made this a challenging year for cattle producers, Cleere said. The short course, sponsored by Texas AgriLife Extension Service, will address these issues as well as other topics during the three-day event, providing information for both the novice and experienced rancher.
“The short course has become one of the most comprehensive beef cattle educational programs in the U.S. with 20 different educational sessions taught by more than 50 different speakers,” Cleere said.
The Cattleman’s College portion of the short course provides participants with an opportunity to choose workshops based on their level of production experience and the needs of their ranch, Cleere said.
“These concurrent workshops will feature information on ranch management, nutrition, reproduction, genetics, pastures, carcass evaluation, record keeping, brush busting, cattle handling, landowner issues and much more,” he said.
In addition to classroom instruction on Aug. 3-4, participants can attend one of the popular demonstrations on the morning of Aug. 5, said Dr. Larry Boleman, associate vice chancellor for agriculture and life sciences at Texas A&M and conference director.
“There will be demonstrations on chute-side calf working, cattle behavior, penning, selection and brush busting,” Boleman said. “These provide an opportunity for ranchers to see beef cattle production practices put to use.”
Along with the Cattleman’s College, a key general session will be offered on the afternoon of Aug. 3.
“The goal of the Beef Cattle Short Course each year is to provide the most cutting-edge information that is needed by beef cattle producers,” Cleere said. “This year’s program is titled “Ranching for the Future” and will address several hot issues affecting beef cattle producers.”
Participants can receive a pesticide applicator’s license during the short course, and can earn numerous pesticide continuing education units if already licensed.
An industry trade show will be held during the event featuring more than 100 agricultural businesses and service exhibits.
Registration is $140 per person, and includes educational materials, a copy of the 600-page Beef Cattle Short Course proceedings, trade show admittance, admission to the prime rib dinner, meals and daily refreshments.
Registration information and a tentative schedule will be mailed to previous participants in June. It can also be found on the short course Web site where producers can register online at http://beef.tamu.edu or contact Cleere’s office at 979-845-6931.