Scientists recently revealed there are two variants, or genotypes of Moraxella bovis, a bacterium that causes pinkeye in cattle. This discovery helps scientists understand how different types of M. bovis cause infection an how to help develop preventive measures to protect cattle. Source: BeefProducer, October 25, 2022. Link. USDA Agricultural Research Service (ARS) and … [Read more...]
Search Results for: pinkeye
Pinkeye in sheep different than pinkeye in cattle
Commercial content included While most prevalent during warmer months, crowed conditions in sheep barns and enclosures during winter increase the risk of animal-to-animal transfer of pinkeye bacteria. Pinkeye, called infectious keratoconjunctivitis, is most frequently caused by one of two bacteria. Chlamydia psittaci (ovis) and Mycoplasma conjunctiva are the culprits … [Read more...]
Pointers for pinkeye
Commercial Content Moraxella bovis is a commensal organism of the bovine eye meaning that it can be found on the eyes and periocular tissues of healthy animals nearly all the time, writes Tim Parks, DVM, and Lowell T. Midla, VMD, MS. The veterinarians explain Moraxella bovis generally does not cause infectious bovine keratoconjunctivitis, also known as pinkeye, unless there … [Read more...]
Understanding summer pneumonia and pinkeye
Arnold Nagely, DVM, and Ray Shultz, DVM, are more likely to be associated with their veterinary supply business, Valley Vet Supply, than as practitioners. Both doctors spent years in veterinary practice before expanding their retail clinic business into the OTC catalog offerings known today. Nagely and Shultz discuss summer, or pasture pneumonia ,which infects calves as … [Read more...]
Understanding pinkeye; a laboratory overview
Commentary including sponsored content from Addison Biological Laboratory. Infectious bovine keratoconjunctivitis, also known as pinkeye, is a common eye disease cattle producers hate treating. Routinely transmitted by flies, pinkeye’s frequently observed pathogens are Moraxella bovis, Moraxella bovoculi, Mycoplasma bovis, Mycoplasma bovoculi and bovine herpesvirus type 1 … [Read more...]
How to manage pinkeye
Fly season is well underway. It marks the beginning of pinkeye infections to come by mid-summer. Infectious bovine keratoconjunctivitis (IBK, or pinkeye). Pinkeye costs the beef industry an estimated $150 million annually. Historically, Moraxella bovis was considered the primary IBK pathogen. More recently, mixed cultures of M. bovis, Moraxella bovoculi and Mycoplasma … [Read more...]
Pinkeye in cattle poses challenges more than 100 years after arrival
Pinkeye was first identified in the U.S. in the 1890s. Face flies, sometimes thought to cause it, entered this country from Nova Scotia in 1952. “M. bovis tends to be just in the conjunctiva in the lubricating fluid. Unless there is trauma to the eye, the bacteria can’t bind to the cornea,” says Annette O’Connor, DVM. Some of the things suspected of causing trauma include … [Read more...]
Sponsored Content – Winter pinkeye infections increasing
Times have changed. Pinkeye outbreaks are now seen year-round due to the increased incidence of Moraxella bovoculi. Some have nicknamed this “winter pinkeye,” says Karlin Yaeger, global sales manager for Addison Biological Laboratory. He shared Addison’s 20-plus years of diagnostic lab experiences which reinforce Moraxella bovis as the primary cause of pinkeye. However, other … [Read more...]
Pinkeye challenges NC region
Cattle in Catawba County, North Carolina, are experiencing the worst year for pinkeye ever, according to North Carolina State University Extension agent Glenn Detweiler. He references late rains and fly populations as part of a perfect storm for pinkeye infections. Source: Hickory Record, August 17, 2018. Link. The group called face flies seem harmless since they do not … [Read more...]
Sponsored Content – Pinkeye cofactors reprint
We recently posted a Progressive Dairyman article discussing pinkeye in terms of primary and co-factor infections. Link. The article featured the experiences of Bruce Addison and Austin Springer with Addison Biological Laboratories. it is now available as a one-page reprint that makes it handy to share with beef and dairy producers. Source: Addison Biological Laboratories. … [Read more...]
New findings with bovine pinkeye
Bruce Addison and Austin Springer with Addison Biological Laboratories discuss pinkeye in terms of primary and co-factor infections. Their laboratory experiences are further explained by electron microscope photography showing how M. boviculi attaches to M. bovis. Although the company suggests further research, results suggest M. bovoculi does not attach well to the surface of … [Read more...]
Heed new pinkeye management protocols
Articles from AHD sponsor Addison Biological Laboratories provide information about how we should now manage pinkeye. Starting with a historical perspective helps. This is what we know: Pinkeye is a painful cattle disease that can reduce weaning weights as much as 17 lbs. to 65 lbs. per animal. Pinkeye is a multifactor disease. Once it begins to spread through a … [Read more...]
Pinkeye often flares in fall
“Pinkeye, or keratoconjunctivitis, is an infectious disease of cattle that costs producers money in several ways,” says Gerald Stokka, North Dakota State University Extension veterinarian. He and Neil Dyer, an NDSU pathologist, notes that the bacteria Moraxella bovis is one of the primary agents in pinkeye, although Moraxella ovus and Moraxella bovoculi have also been isolated. … [Read more...]
Fly control essential to pinkeye prevention
Fall’s short days and cool nights combined with the grouping of cattle, increases the risk of pinkeye. Fly control is essential to reduce the risk of pinkeye, says A.J. Tarpoff, Kansas State University beef veterinarian. Effective fly control plans may include insecticide sprays, special ear tags or cattle rubs. “Flies work to cause pinkeye in two different ways,” he said. … [Read more...]
Pinkeye remains a challenge in the fall
The main cause of pinkeye in cattle is the ever-changing bacteria, moraxella bovis. Many subtypes of the bacteria can be found even in one infected animal. This can make it difficulty to treat and preventing. Pinkeye can rob producers of weight gain in addition to the labor costs of treatment. Source: Drovers CattleNetwork, August 17, 2016. Vaccination, fly control, … [Read more...]
Preventing pink eye with autogenous vaccines
Includes Sponsored Content Before commercial pinkeye vaccines were approved, autogenous vaccines offered veterinarians and producers a way to protect against herd-specific strains of bacteria that cause pinkeye in cattle. In the article linked here, Gregg Hanzlicek, DVM, PhD, reintroduces the value of autogenous vaccines, the challenges with cross-protection and how pinkeye … [Read more...]
A bad sample is worse than no sample
Sponsored Content According to Ohio State’s William (Bill) P. Weiss, PhD, “A bad sample is worse than no sample.” He was speaking about accuracy when analyzing feed, but he could have been referencing the collection of samples to be sent to diagnostic laboratories to identify pinkeye strains from cattle showing signs of it. Addison Laboratory’s Karlin Yaeger and I spoke … [Read more...]
4 health issues for calves on pasture
Includes Complimentary Commercial Content Norbrook’s Eric Moore, DVM, shares four calf health problems for calves on pasture. His proactive assertions about preventing pinkeye, parasites, scours, and pneumonia are as applicable now as they were in the spring. Source: Successful Farming, December 28, 2022. Link. INSIGHTS: Producers in drought-affected areas are likely … [Read more...]
Valley Vet Supply DVMs talk calf care
Across cow-calf country, the 2022 calf crop is becoming visible on rapidly greening pastures. Tech services veterinarians Tony Hawkins, DVM, and Ray Shultz, DVM, share some tips looking toward the months ahead: Umbilical infections are a real thing Scours is one of the gravest challenges affecting young calves Check right away for calf vitality During springtime, … [Read more...]
Flies: Nature’s nuisance, costly pests
Just 200 horn flies start to hurt cattle production. It is not unusual to find 3,000 flies per cow, writes Curt Arens. Fly prevention is one of the basic animal stewardship practices. Horn flies can suck as much as a gallon of blood per month per cow. Face flies feed on proteins from the eyes often becoming vectors for pinkeye. Stable flies are just a plain nuisance. They feed … [Read more...]
Calves and flies don’t have to coexist
Calves are a popular target for fly breeding grounds because their bedding and feed are perfect havens for flies to multiply en masse. Entomologist Roger Moon and dairy producer Merri Post shared experiences and ideas about reducing flies and their impact on herd health. Source: Dairy Herd Management, April 12, 2021. Link. INSIGHTS: For salespersons and veterinary teams, … [Read more...]
Dang those flies!
Flies are a nasty nuisance. Whether on the farm, acreage or in the backyard, they are an insidious challenge for animal owners and people alike. It’s summer. When the temperatures go up, fly numbers rapidly increase. If not controlled, adult flies continue to lay eggs and increase the fly population. Managing larvae and adult flies should be a continuous process. Every … [Read more...]
Favorite 2018 posts featuring Addison Biological Laboratory
Addison Biological Laboratory has helped fund AHD’s development and growth as a 2018 sponsor. As we come to the end of the year,we’ve chosen these favorite posts referencing the company. Source: Animal Health Digest. Sponsored Content – Pinkeye Cofactors, Animal Health Digest, June 24, 2018. Link.This post features the printable .pdf of New Findings with Bovine Pinkeye … [Read more...]
Foot rot or something else?
Mike Apley, DVM, discusses the importance of accurate case definitions, antibiotic stewardship and the differences between foot rot and hairy heal warts. His article is a good resource to include with fall VFD compliance visits. Control and therapeutic approaches to foot rot and hairy heel wart in beef cattle can be quite different. Planning to recognize the difference between … [Read more...]
Opinion: Fly services have potential
There is historical rationale in the recommendation for veterinary practices to add a fly control service for their clients. More than 35 years ago, we had master fly-baiter contests and awards to help promote fly control at a time when our industry was just learning the science behind preventing production losses and transfer of diseases such as pinkeye and anaplasmosis. In … [Read more...]
Sponsored Content: Addison Biological Laboratory featured
Congratulations to AHD sponsor, Addison Biological Laboratory, for being selected as a featured manufacturer for Spring 2017 by MWI Animal Health. The story featured Addison’s development of the first USDA conditional license for a commercial Moraxella Bovoculi Bacterin in early 2017. Moraxella bovoculi is frequently referred to as winter pinkeye. Source: Addison Biological … [Read more...]
Sponsored Content – World’s first commercial Moraxella bovoculi vaccine now available
Addison Biological Laboratory, Inc. announces the approval of the world’s first commercial Moraxella bovoculi vaccine for the prevention of pinkeye in cattle. This USDA-conditionally licensed product is the first of its kind. The product features eight specifically different Moraxella bovoculi isolates and an easily syringeable adjuvant. Source: Addison Biological … [Read more...]
Welcome Addison Biological Laboratory, Inc.
Animal Health Digest welcomes Addison Biological Laboratory, Inc., as a Supporting Sponsor. Headquartered in Fayette, Missouri, the company has manufactured and marketed exclusive veterinary technologies for more than 30 years. Founder J. Bruce Addison is recognized as a leader in veterinary diagnostics and herd-specific bacterin production. In addition, Addison companion … [Read more...]
Summer horse health concerns
Summer is almost here. Horse owners and their channel support teams need to keep in mind common health concerns. Summer can be hard on horses. Source: Equus, Issue #403. The specifics of the season will vary by location, but there are some nearly universal concerns. Here's a quick look at some of the conditions that could adversely affect the well-being of horses this … [Read more...]