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When Every Minute Matters

veterinary
Mari, an eight-year-old Thoroughbred mare, at the Veterinary Teaching Hospital. Photo by Andrew Mann for Virginia Tech.

A Horse Owner’s Guide to Colic Recognition and Prevention The call came on a sweltering July morning. Mari, an eight-year-old Thoroughbred mare, was lying down in her paddock, pawing at the ground and showing clear signs of distress. For Rachael Carpenter, a faculty member at Virginia-Maryland College of Veterinary Medicine, the symptoms were unmistakable. “She was …

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Outbreak Alerts: November 03, 2025 – Vesicular Stomatitis – Cochise County, AZ

Equine Rhinitis Virus-B

Source: Arizona Department of Agriculture and United States Department of Agriculture Animal and Plant Health Inspection Service Confirmed Case(s) – Official Quarantine Number Confirmed: 2Number Exposed: 60Facility Type: Private FacilityComments: On October 31, 2025, the National Veterinary Services Laboratories in Ames, Iowa, confirmed findings of vesicular stomatitis New Jersey virus (VSNJV) in horses on …

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Outbreak Alerts: November 01, 2025 – West Nile Virus – Brazos County, TX

Equine Rhinitis Virus-B

Source: Attending Veterinarian Confirmed Case(s) – No Quarantine Number Confirmed: 2Number Suspected: UnknownNumber Exposed: UnknownFacility Type: Veterinary HospitalComments: Two independent cases; not located on the same farm. For more information about West Nile Virus go to: WNV factsheet.  See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our …

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Outbreak Alerts: October 29, 2025 – West Nile Virus – Weld County, CO

Equine Rhinitis Virus-B

Source: State Veterinarian’s Office Number Confirmed: 1Number Exposed: Unknown Facility Type: Private Facility Horse 1: Age: 3; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/21/2025; Clinical Signs: Ataxia Fasciculation; Confirmation Date: 10/29/2025; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated; For more information about West Nile Virus go to: WNV factsheet.  See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on …

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Outbreak Alerts: October 16, 2025 – Equine Infectious Anemia – MULTIPLE COUNTIES, Texas

Equine Rhinitis Virus-B

Source: Texas Animal Health Commission Confirmed Case(s) – Official Quarantine Source: Texas Animal Health Commission Williamson County, TX Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Number Euthanized: 1; Comments: Additional to Alert 4467 case. Quarantined 7/16/25. Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially …

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Skin Cancer in Horses

UV protection
Rowdy, a 16-year-old American paint horse with his owner, Christie Goddard, and Goddard’s dog, River. Photo by Margie Christianson for Virginia Tech.

A Horse’s Story Shines Light on Sun Safety By Marjorielee Christianson for Virginia Polytechnic Institute and State University When Christie Goddard (2016 Virginia Tech grad) noticed fast-growing lumps on the eyelid of her 16-year-old American paint horse, Rowdy, she knew she needed to seek help.  The gelding, who had been …

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Outbreak Alerts: September 30, 2025 – West Nile Virus – Mesa County, CO

Equine Rhinitis Virus-B

Source: State Veterinarian’s Office Number Confirmed: 1; Number Exposed: 7; Facility Type: Private Facility;  Horse 1: Age: 3; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Pleasure Riding; Onset of Clinical Signs: 9/13/2025; Clinical Signs: Weakness Ataxia Fasciculation; Confirmation Date: 9/29/2025; Horse Status: Recovering; Vaccination Status: Undervaccinated; For more information about West Nile Virus go to: WNV factsheet.  See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on …

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Outbreak Alerts: August 27, 2025 – West Nile Virus – Johnson County, WY

Equine Rhinitis Virus-B

Source: State Veterinarian’s Office Confirmed Case(s) – No Quarantine Number Confirmed: 1 For more information about West Nile Virus go to: WNV factsheet.  See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as they occur and will include the date listed, …

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Outbreak Alerts: August 06, 2025 – Equine Infectious Anemia – Wichita County, TX

Equine Rhinitis Virus-B

Source: Texas Animal Health Commission Confirmed Case(s) – Official Quarantine Number Confirmed: 2Number Suspected: UnknownNumber Exposed: UnknownNumber Euthanized: 1Comments: General notes: Quarantined 5/7/25. Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures. For more information:  https://www.equinediseasecc.org/equine-infectious-anemia …

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Outbreak Alerts: August 06, 2025 – Equine Infectious Anemia – Kaufman County, TX

Equine Rhinitis Virus-B

Source: Texas Animal Health Commission Confirmed Case(s) – Official Quarantine Number Confirmed: 1Number Suspected: UnknownNumber Exposed: UnknownNumber Euthanized: 1Comments: General notes: Quarantined 4/23/25. Quarantines will not be released until TAHC’s requirements are met. TAHC staff work closely with the owners and local veterinarians to monitor potentially exposed horses and implement biosecurity measures. For more information:  https://www.equinediseasecc.org/equine-infectious-anemia …

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