Haylie Pfeffer

Haylie Pfeffer, Digital Editor, holds a degree in equine studies with a concentration in communications and a minor in social media marketing. She is a Pennsylvania native and, as a horse owner herself, has a passion for helping owners provide the best care for their horses. When she is not writing or in the barn, she is spending time with her dog, Clementine.

Articles by: Haylie Pfeffer

First Fall Frost Brings Flurry of Forage Questions

The first frost of the autumn generally brings questions centered around three general topics:

  • Suspected toxicity of frosted alfalfa to grazing animals

  • Post-frost harvest of last alfalfa cutting

  • Toxic prussic acid potential and management of frosted Sudangrass and sorghum-Sudangrass hybrids

Is frosted alfalfa toxic?

Frost injured

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Postcard from Aruba

Ahh, Aruba. White sand, turquoise water, and donkeys. Donkeys? Yes, lots of them, as I was lucky enough to be able to verify in person

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Setting A Good Example

States should not be in the business of subsidizing owners, breeders, and exhibitors who abuse or neglect their horses. That should go without saying, but

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Horses: In Living Color

Get a behind-the-scenes look at award-winning photographer Barbara D. Livingston as she recounts the inspiration for her latest project, Horses: In Living Color. (2:19)

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Equine Piroplasmosis Reported on Texas Ranch

A tick-borne disease known as equine piroplasmosis has been confirmed on a ranch in South Texas. Additional testing is being conducted to determine the extent of infection. Horses on the ranch are quarantined to their premises, and a thorough disease investigation is under way.

Equine piroplasmosis can affect horses, donkeys, mules, or zebras. It can cause clinical signs common to many

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Equine Semen Extenders: Effect on Bacterial Growth and Sperm Viability

Preliminary results of a collaborative effort between researchers at Oklahoma State University and Texas A&M University were recently presented at the American Association of Veterinary Laboratory Diagnosticians in San Diego, Calif. These researchers compared antibiotic properties of common equine semen extenders with four different strains of bacteria, including Taylorella

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Understanding Antibody Titers

One of the most often used and least understood immunological terms is antibody titer. But what does titer mean, and how can this information be used in assessing the immune status of a horse?

A titer is defined as the concentration of specific antibodies in the blood that recognize a particular agent, such as equine influenza virus. The titer is determined by serially

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Hendra Farms Released from Quarantine

The five remaining properties involved in the recent Hendra virus incidents at Cawarral and Bowen in central Queensland, Australia, were given the all clear after test results were received Oct. 13.

The results were the final piece of information required to allow all quarantine restrictions to be lifted.

At the peak of the response, 22 properties had movement restrictions in place,

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Diamonds Made From Horse Hair Offered

Three-day event rider Ronald Zabala-Goetschel loves his four-star level event horse Che Mr. Wiseguy so much that he is planning to manufacture a diamond out of a bit of Wiseguy’s mane, so that he will have a little treasure to remember the horse by forever.

A native of Quito, Ecuador, Zabala-Goetschel rides and trains with Dutton and Silva Martin in the United States. He and Che Mr

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