Each summer, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) confirms several cases of Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV) in horse populations across the state. Mosquitos play a vital role in the … [Read more...]
Mammary sarcoma diagnosed in a Chihuahua
Mammary sarcoma diagnosed in a Chihuahua Gabriel Gomez DVM, PhD and Cheryl Maguire, DVM A nine-year-old, intact female, Chihuahua dog presented to their veterinarian for a solitary mass on the caudal most left mammary gland. The mass was excised … [Read more...]
Diagnostic Guidance: Fowl Pox
Diagnostic Guidance: Fowl Pox By Martin Ficken, DVM, PhD Fowl pox is caused by a DNA virus (fowl pox virus). Many species of birds have their own specific pox virus. Infection can occur in two different forms: dry and wet. Dry pox occurs … [Read more...]
Helman and Monday Present at 2019 Bovine Respiratory Disease Symposium and Summer Academy of Veterinary Consultants Meeting
Dr. Gayman Helman, Amarillo Resident Director, and Dr. Jessie Monday, veterinary diagnostician, recently attended the 2019 Bovine Respiratory Disease Symposium and the summer Academy of Veterinary Consultants (AVC) meetings in Denver, Colorado. The … [Read more...]
MSMA (monosodium methyl arsenate) is Not for Pasture Use
MSMA (monosodium methyl arsenate) is Not for Pasture Use Cat Barr, PhD A cattle owner in eastern Texas noticed several of the 50 weaned calves in his coastal pasture had diarrhea and didn’t seem to want to eat. The pasture had been sprayed with … [Read more...]
A case of Coccidioidomycosis in a Llama (Lama glama)
A case of Coccidioidomycosis in a Llama (Lama glama) Owais A. Khan DVM PhD DACVM, Will P. Sims DVM, and Gayman R. Helman DVM PhD A variety of fresh and fixed tissues, including lung, liver, kidney, spleen, and mesenteric lymph nodes, from a … [Read more...]
Gangrenous dermatitis discovered in separate broiler flocks
Gangrenous dermatitis discovered in separate broiler flocks Gabriel Senties-Cue, MVZ, EPAA, MS Recently, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Center diagnosed gangrenous dermatitis (GD) in three flocks of broilers … [Read more...]
A dog skin infection caused by bacteria and a novel fungal pathogen, Trichocladium sp
A dog skin infection caused by bacteria and a novel fungal pathogen, Trichocladium sp. Narayan Paul, DVM, MS, PhD, Amy Swinford, DVM, MS, DACVM, and Julie Piccione, DVM, MS, DACVP A nine-year-old female, spayed dog was presented to a … [Read more...]
Epizootic hemorrhagic disease (EHD) in White-Tailed deer
Epizootic hemorrhagic disease (EHD) in White-Tailed deer By Andrés de la Concha-Bermejillo, DVM, MS, PhD, Pamela Ferro, MS, PhD, and Megan Schroeder, DVM Brooke Kehlenbrink* *Fourth year veterinary student Food Animal Track TVMDL rotation. The … [Read more...]
Anthrax in Horses: Disease Considerations and Insight
Anthrax in Horses: Disease Considerations and Insight Guy Sheppard, DVM and Melanie Landis, DVM Bacillus anthracis is a spore-forming, facultative anaerobic, gram positive rod that is the causative agent of anthrax. Spore formation occurs when … [Read more...]
Anthrax increase in Texas: Texas A&M Veterinary Medical Diagnostic Lab helps identify, track high-consequence diseases in animals
The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) plays a vital role in animal disease surveillance efforts, including anthrax. On average, TVMDL diagnoses two to three positive cases of anthrax annually in summer months. Thus far in … [Read more...]
Equine Juvenile Ossifying Fibroma
Equine Juvenile Ossifying Fibroma Will Sims, DVM A two-year-old, male, intact Miniature Donkey had a wound on the mandible that was associated with a large firm mass. Radiographs of the lesion showed large osseous spicules emanating from the … [Read more...]
Sodium Ion Toxicosis in Cattle
Sodium Ion Toxicosis in Cattle Travis Mays, Analytical Chemistry Section Head Approximately 40 head of Hereford cows were grazing on 12 sections of land with oil production activity present. In one particular section, four to five cows were found … [Read more...]
Edwards co-authors article over third eyelid follicular choristoma in parrot
Erin Edwards, DVM, MS, DACVP, veterinary pathologist in College Station, co-authored an article that was published in the July issue of the Journal of the American Veterinary Medical Association (JAVMA). This article describes a case report of a … [Read more...]
Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis
Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis By Guy Sheppard, DVM The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) frequently works on Bovine Respiratory Disease (BRD) cases. Multiple factors lead to … [Read more...]
Fowl Cholera in Chukar Partridges
Fowl Cholera in Chukar Partridges Martin Ficken, DVM, PhD Twelve dead adult Chukar partridges were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales for necropsy. History noted an increase in spontaneous … [Read more...]
Malignant Catarrhal Fever in a 1-Year-Old Heifer
Malignant Catarrhal Fever in a 1-Year-Old Heifer R. Gayman Helman, DVM, PhD, MA, Guy Sheppard, DVM, and Megan Schroeder, PhD A 1-year-old heifer became weak and went off by herself in mid-April. The heifer was examined by the submitting … [Read more...]
ELISA Screening Detects Fumonisin in Corn
ELISA Screening Detects Fumonisin in Corn Travis Mays, Analytical Chemistry Section Head A 3-year-old, male Quarter horse became ataxic and kept falling over, eventually being unable to rise. The horse ultimately had to be euthanized. The onset … [Read more...]
Díaz-Delgado joins College Station laboratory as veterinary pathologist
Josué Díaz-Delgado, DVM, MS, PhD, DACVP recently joined the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station as a veterinary pathologist. In 2010, Dr. Díaz-Delgado earned a Doctorate of Veterinary Medicine from the … [Read more...]
Mycoplasmosis in Backyard Chicken Flocks
Mycoplasmosis in Backyard Chicken Flocks Martin Ficken, DVM, PhD Mycoplasmosis, caused by Mycoplasma gallisepticumand/or M. synoviae, is a group of bacterial diseases that are common maladies of backyard chicken flocks. Mycoplasma … [Read more...]
Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia
Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia Erin Edwards, DVM, MS, DACVP Mammary gland masses from an approximately 7-month-old cat were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for … [Read more...]
Salt Toxicity in Broilers
Salt Toxicity in Broilers By Gabriel Senties-Cue, MS, MVZ, DACPV Salt toxicity was recently diagnosed in a 17-day-old, meat type chicken flock. Twelve birds were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in … [Read more...]
Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy
Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy Erin Edwards, DVM, MS, DACVP A 6-month-old Harris’s hawk was necropsied at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station and was … [Read more...]
Coffee Senna Poisoning in Cattle
Coffee Senna Poisoning in Cattle By Travis Mays, Analytical Chemistry Section Head Approximately 200 head of cattle were grazing on improved native Bermuda grass pastures in the Colorado River bottom. Vegetation also included a large number of … [Read more...]
Canine hepatozoonosis diagnosed via skeletal muscle biopsy
Canine hepatozoonosis diagnosed via skeletal muscle biopsy By Erin Edwards, DVM, MS, DACVP Canine hepatozoonosis is a debilitating, tick-borne disease caused by Hepatozoon americanum, a protozoal parasite transmitted by the Gulf coast tick … [Read more...]
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