FDA approves NexGard expanded label claimsAugust 22, 2018Merial, part of Boehringer Ingelheim, received approval from the U.S Food and Drug Administration to expand the label claims for NexGard (afoxolaner). The flea and tick control product is now approved to prevent Borrelia burgdorferi infections as a direct result of it killing Ixodes scapularis vector ticks, commonly called black-legged, or deer, ticks. NexGard is the first and only flea and tick product to receive FDA approval for preventing infections that cause Lyme disease by killing the vector ticks, the company stated. The approval comes just as veterinarians and pet owners in many parts of the country are being warned about the potential of an increased number of Lyme disease cases in 2018. The FDA approval is based on two well-controlled laboratory studies that showed that NexGard effectively prevented the transmission of B. burgdorfei infections after dogs were infested with wild-caught I. scapularis ticks 28 days after treatment with NexGard, said the manufacturer. "Both studies measured the transmission of B. burgdorferi to dogs after exposure to infected ticks," said Zach Mills, DVM, head of US Pet Veterinary Professional Services. "All dogs treated with NexGard tested negative for B. burgdorferi infection, demonstrating that transmission was prevented as a direct result …
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Heartgard producer launches feline parasiticideJuly 16, 2018A new monthly heartworm disease prevention product for cats has been announced by Boehringer Ingelheim. Applied topically, Centragard (eprinomectin and praziquantel transdermal solution) can also treat and control hookworms, roundworms, and tapeworms.
Why annual screening for exposure to infected ticks is vitalJune 20, 2018It's important to remember that a single tick can transmit multiple infectious agents that may cause or contribute to serious illness, including kidney disease. And because dogs don't always show clinical signs, it can be challenging to understand the true harm of any given infection to a pet's health. This makes regularly screening of pets—including asymptomatic or seemingly healthy ones—to identify exposure to infected ticks all the more important. Here's a quick look at why regular, comprehensive screening is critical, and what veterinarians can do to help keep dogs healthy. All dogs need to be screened annually for exposure to infected ticks It's quite possible a patient could be fighting an infection without showing any signs of disease. That is why limiting screening to symptomatic pets and those known to have had a tick on them is too restrictive—it will miss infections. All dogs need to be tested, and pet owners need to be reminded that negative results are the goal in order to verify that preventive measures against ticks are working. A new study reinforces the importance of detecting exposure The study, found at idexx.com/ckdstudy, showed two key findings: 1) dogs with Ehrlichia antibodies …
Zoetis awards $200K in grants for heartworm researchJune 12, 2018Zoetis has awarded three teams of scientists with $200,000 in research grants to support projects that will help advance understanding of the fundamentals of heartworm and explore novel interventions to help prevent it. "Heartworm disease is a debilitating and potentially fatal condition, particularly in dogs and cats," said Debra Woods, Ph.D., research director and head of parasitology global therapeutics research at Zoetis. "New therapies are likely to be required as heartworm resistance to current therapies develops over time." Grant recipients are: Sean Forrester, Ph.D., associate professor of biology at the University of Ontario Institute of Technology Guilherme G. Verocai, DVM, MSc, Ph.D., DACVM, director of the Parasitology Diagnostic Laboratory at the University of Georgia College of Veterinary Medicine Mostafa Zamanian, Ph.D., and Lyric Bartholomay, Ph.D., of the Department of Pathobiological Sciences at the University of Wisconsin-Madison School of Veterinary Medicine "We were impressed with the caliber of the innovative research proposals we received and selected three that will augment our internal research and development and could lead to new scientific insights in parasitic disease, in particular, heartworm disease," said Dr. Woods. The research grants were awarded by a committee comprised of leaders from across divisions and disciplines, with external …
Ticks' increasing threatApril 25, 2018Masters of ride-sharing well before Uber and Lyft came along, ticks hitch rides with white-tailed deer, migrating birds, and other animals, making their way to locales where they didn’t exist in the past. Now, one or more tick species are found in every state, including Alaska and Hawaii.
CAPC forecasts problematic heartworm, Lyme in 2018April 19, 2018 The Companion Animal Parasite Council, or CAPC, has released its annual 2018 parasite forecasts, and the news isn't good. The agency reported there will be an increase in prevalence of heartworm and Lyme disease, and heartworm is predicted to continue its aggressive spread across the U.S., with the growth of Lyme disease focused east of the Rockies. The spread of heartworm is attributed to the hot and wet weather over a two-year span, shifting weather patterns that allow for ideal mosquito breeding conditions, and the relocation of unknown heartworm-positive dogs across the country, according to CAPC. CAPC also predicts the spread of Lyme disease into nonendemic areas, including the Dakotas, Iowa, Missouri, southern Illinois, Ohio, Kentucky, Tennessee, and North Carolina. "Our annual forecasts provide critical and important information to help veterinarians and pet owners understand parasites are a true risk to both pets and people," said Dwight Bowman, MS, Ph.D., CAPC board member and professor of parasitology at Cornell University College of Veterinary Medicine. "This year, there are significant shifts in prevalence, making our maps a critical educational tool for veterinary hospitals, and allowing veterinarians and pet owners to see that parasites are ever changing …
Why annual screening for exposure to infected ticks is vitalApril 18, 2018It's important to remember that a single tick can transmit multiple infectious agents that may cause or contribute to serious illness, including kidney disease. And because dogs don't always show clinical signs, it can be challenging to understand the true harm of any given infection to a pet's health. This makes regularly screening pets—including asymptomatic or seemingly healthy ones—to identify exposure to infected ticks all the more important. Here's a quick look at why regular, comprehensive screening is critical, and what veterinarians can do to help keep dogs healthy. All dogs need to be screened annually for exposure to infected ticks It's quite possible a patient could be fighting an infection without showing any signs of disease. That is why limiting screening to symptomatic pets and those known to have had a tick on them is too restrictive—it will miss infections. All dogs need to be tested, and pet owners need to be reminded that negative results are the goal in order to verify that preventive measures against ticks are working. A new study reinforces the importance of detecting exposure The study, found at idexx.com/tickrisk, showed two key findings: 1) dogs with Ehrlichia antibodies …
Allergic, parasitic, and viral skin disease treatment toolkitApril 16, 2018Most veterinarians understand the basics of preventing and controlling feline and canine skin issues, but today’s pet health professionals should strive to be aware of the multitude of recent group of product and treatment options for managing skin issues when they arise.
Send a clear parasite prevention messageMarch 12, 2018Clients simply aren’t getting the message when it comes to preventing fleas, ticks, and in particular heartworm. With current weather patterns contributing to the parasite problem, pets are more in need of prevention than ever before.
East Asian tick species turns up on New Jersey sheepMarch 6, 2018A tick native to East Asia—also known as the longhorned, bush, or cattle tick—turned up on a New Jersey sheep with no travel history or nearby domesticated animals, according to a report from National Public Radio. Haemaphysalis longicornis multiplies quickly, feeds on mammalian blood, including humans. In South Korea, it has been linked to the spread of severe fever with thrombocytopenia syndrome (SFTS) virus, described in a Centers for Disease Control and Prevention report as "a newly emerging infectious disease," NPR reported. H. longicornis can transmit theileriosis to cattle, which can cause blood loss and occasional death of calves; Lyme bacteria, spotted fever group rickettsioses, Ehrlichia chaffeensis, and Anaplasma bovis have been detected in H. longicornis. SFTS features symptoms of fever, thrombocytopenia, leukocytopenia, and elevated serum enzyme levels, according to the CDC. In August, the sheep's owner noticed that her clothing was covered in ticks—and not the area's native deer ticks. Investigators found hundreds on the sheep and collected nearly 1,000 more from the 1-acre paddock, according to NPR. The tick has previously been found in the U.S. on large animals in quarantine, but this is the first …
