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...]
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 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...]
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...]
Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga
Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga Terry Hensley, MS, DVM and Gabriel Gomez, DVM, PhD A less than one-year-old, 48 lb. female sitatunga (Tragelaphus spekii) in fair to poor body condition was submitted to the Texas A&M … [Read more...]
Cat Diagnosed with Feline Asthma
Cat Diagnosed with Feline Asthma Judith Akins, DVM, MS A seven-year-old male, neutered, domestic short haired (DSH) cat was presented to a veterinarian for evaluation of chronic coughing and increased respiration of several months’ duration. A … [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...]
Nasal Amyloidosis in a Horse
Nasal Amyloidosis in a Horse Andrés de la Concha-Bermejillo, DVM, MS, PhD Punch biopsies of an ulcerated plaque in the nasal mucosa of a male-castrated, 12-year-old, Quarter horse were submitted to the Texas A&M Veterinary Medical Diagnostic … [Read more...]
Reactive Histiocytosis in a Dog: Differentials, Possible Treatments, and Other Considerations
Reactive Histiocytosis in a Dog: Differentials, Possible Treatments, and Other Considerations Jeremie Korchia, DVM, MS, DACVP A 9-year-old intact, female, cross breed dog was presented to a practitioner for subcutaneous masses all over the body. … [Read more...]
Heterobilharzia americana Infection in a Dog
Heterobilharzia americana Infection in a Dog Jay Hoffman, DVM, PhD Small intestinal biopsy samples from a two-year-old German Shepherd dog were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station. … [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...]
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...]
Test to detect avermectins added to TVMDL catalog
The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is pleased to announce the addition of Avermectins (LC/MS) to our catalog of tests. This test serves to assist in the detection of avermectins, such as abamectin, doramectin, … [Read more...]
Myxosarcoma – A Rare Breed
Myxosarcoma – A Rare Breed Julie Piccione DVM, MS, DACVP An 11-year-old, spayed female, mixed breed dog was presented to her veterinarian for a mass on the left hind limb. Physical exam revealed a large (~6 cm), irregularly shaped, firm, … [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...]
Interest of Concomitant Insulin and Glucose Measurement in Blood
Interest of Concomitant Insulin and Glucose Measurement in Blood By Jeremie Korchia, DVM, MS, DACVP In endocrinology, regulation is often reciprocal (directly or indirectly), and a regulation loop aims in maintaining homeostasis. Blood glucose is … [Read more...]
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