• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • Locations:
  • Canyon
  • Center
  • College Station
  • Gonzales
  • TVMDL Career Center
  • Contact Us

Texas A&M Veterinary Medical Diagnostic Laboratory

Apple App

download on the Apple App Store
download the app on Google Play

Search

Translate:

  • Find a Form
  • Deliver a Sample
    • Specimen Collection Information
    • Packaging Samples for Shipment
    • Drop Off a Sample
    • Cremation
    • Order Supplies
  • Client Portal
    • Get Test Results
    • SVA Portal
    • Pay a Bill
  • Become a Client
  • Resources
    • TVMDL Bovine Testing Guidance and Reference Material
    • Diagnostic Plans
      • Bovine Syndromic Diagnostic Plans
      • Equine Syndromic Diagnostic Plans
      • Small Ruminant Syndromic Diagnostic Plans
      • Small Animal Syndromic Diagnostic Plans
    • Education Library
    • Case Study Library
    • Electronic Reporting: QR Coding Process
    • CoreOne Resources
  • About Us
    • Locations and Hours
    • Agency Leadership
    • Speaker’s Bureau
    • Texas Pullorum-Typhoid Program
    • TVMDL Mobile app
    • Contact Us
  • Locations
    • College Station Laboratory
    • Canyon Laboratory
    • Center Laboratory
    • Gonzales Laboratory
  • Contact Us

college station

Diagnosing Feline Heartworms

September 13, 2019 by Mallory Pfeifer

Portrait of a funny beautiful red fluffy cat with green eyes in the interior, pets

Diagnosing Feline Heartworms By Melanie T. Landis, DVM, MBA, TVMDL Microbiology Veterinary Diagnostician We are all familiar with the saying that “cats are not small dogs”.  This is true when it comes to feline heartworm disease. While dogs are … [Read more...] about Diagnosing Feline Heartworms

Filed Under: Case Study, DX Guidance Tagged With: canine, college station, feline, heart worm, microbiology, serology, TVMDL

Possible Eprinomectin toxicity in a calf

August 30, 2019 by Mallory Pfeifer

Brahman cross cattle in paddock

Possible Eprinomectin toxicity in a calf Travis May, MS, PhD A two-month-old, 150-pound, Brahman-cross heifer calf was observed with neurologic signs following application of what was believed to be a permethrin-based insecticide. The calf died … [Read more...] about Possible Eprinomectin toxicity in a calf

Filed Under: Case Study Tagged With: analytical chemistry, bovine, cattle, college station, toxicology, TVMDL

Atypical Mycobacteriosis in a Cat

August 30, 2019 by Mallory Pfeifer

Atypical Mycobacteriosis in a Cat Erin Edwards, DVM, MS, DACVP Skin samples from a 9-year-old Siamese cat were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station. This cat was reported to clinically … [Read more...] about Atypical Mycobacteriosis in a Cat

Filed Under: Case Study Tagged With: cat, college station, feline, histopathology, pathology, TVMDL

Mammary sarcoma diagnosed in a Chihuahua

August 19, 2019 by Mallory Pfeifer

Chihuahua dog head close up looking

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...] about Mammary sarcoma diagnosed in a Chihuahua

Filed Under: Case Study Tagged With: canine, college station, dog, histopathology, pathology, TVMDL

MSMA (monosodium methyl arsenate) is Not for Pasture Use

August 9, 2019 by Mallory Pfeifer

Group of white and light brown calves standing in green grass, low angle

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...] about MSMA (monosodium methyl arsenate) is Not for Pasture Use

Filed Under: Case Study Tagged With: analytic chemistry, bovine, cattle, college station, toxicology, TVMDL

A dog skin infection caused by bacteria and a novel fungal pathogen, Trichocladium sp

August 5, 2019 by Mallory Pfeifer

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...] about A dog skin infection caused by bacteria and a novel fungal pathogen, Trichocladium sp

Filed Under: Case Study Tagged With: bacteriology, canine, college station, dog, mrsp, TVMDL

Epizootic hemorrhagic disease (EHD) in White-Tailed deer

July 29, 2019 by Mallory Pfeifer

Figure 1. Gross photograph showing ulceration of the mucosa of the dorsal aspect of the tongue in the white-tailed deer infected with epizootic hemorrhagic disease virus (EHDV).

Epizootic hemorrhagic disease (EHD) in White-Tailed deer By Andrés de la Concha-Bermejillo, DVM, MS, PhD, Pamela Ferro, MS, PhD, and Megan Schroeder, PhD, and Brooke Kehlenbrink* *Fourth year veterinary student Food Animal Track TVMDL … [Read more...] about Epizootic hemorrhagic disease (EHD) in White-Tailed deer

Filed Under: Case Study Tagged With: cervid, college station, deer, histopathology, Molecular Diagnostics, necropsy, pathology, TVMDL, wildlife

Anthrax in Horses: Disease Considerations and Insight

July 29, 2019 by Mallory Pfeifer

Bacillus anthracis, gram-positive spore forming bacteria which cause anthrax and are used as biological weapon, 3D illustration

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...] about Anthrax in Horses: Disease Considerations and Insight

Filed Under: Case Study Tagged With: anthrax, bacteria, bacteriology, college station, equine, horses, TVMDL

Sodium Ion Toxicosis in Cattle

July 18, 2019 by Mallory Pfeifer

Group of white and light brown calves standing in green grass, low angle

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...] about Sodium Ion Toxicosis in Cattle

Filed Under: Case Study Tagged With: analytical chemistry, bovine, cattle, college station, toxic, toxicology, TVMDL

Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis

June 28, 2019 by Mallory Pfeifer

four red haired cows looking at the camera while standing in a green field

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...] about Factors involved in a Bovine Respiratory Disease Complex (BRDC) diagnosis

Filed Under: Case Study Tagged With: Amarillo, bacteriology, bovine, cattle, college station, disease, Molecular Diagnostics, respiratory, TVMDL

Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga

June 28, 2019 by Mallory Pfeifer

two brown deer species with white marking eating green grass

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...] about Meningeal Worm (Parelaphostrongylus tenuis) in a Sitatunga

Filed Under: Case Study Tagged With: cervid, college station, deer, exotic, histopathology tvmdl, necropsy, pathology

Cat Diagnosed with Feline Asthma

June 24, 2019 by Mallory Pfeifer

Red-haired shorthair cat

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...] about Cat Diagnosed with Feline Asthma

Filed Under: Case Study Tagged With: cat, clinical pathology, college station, feline, pathology

Malignant Catarrhal Fever in a 1-Year-Old Heifer

June 18, 2019 by Mallory Pfeifer

Two cows standing in a field at sunset

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...] about Malignant Catarrhal Fever in a 1-Year-Old Heifer

Filed Under: Case Study Tagged With: Amarillo, bovine, cattle, college station, histopathology, Molecular Diagnostics, TVMDL

Nasal Amyloidosis in a Horse

June 10, 2019 by Mallory Pfeifer

Picture showing the nose of a brown horse standing in a field at sunset

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...] about Nasal Amyloidosis in a Horse

Filed Under: Case Study Tagged With: college station, equine, histopathology, horse, pathology

Reactive Histiocytosis in a Dog: Differentials, Possible Treatments, and Other Considerations

June 10, 2019 by Mallory Pfeifer

A playful black and white mixed breed dog, in a play bow position

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...] about Reactive Histiocytosis in a Dog: Differentials, Possible Treatments, and Other Considerations

Filed Under: Case Study Tagged With: canine, clinical pathology, college station, dog, endocrinology

Heterobilharzia americana Infection in a Dog

May 28, 2019 by Mallory Pfeifer

german shepherd dog lying on grass

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...] about Heterobilharzia americana Infection in a Dog

Filed Under: Case Study Tagged With: canine, college station, dog, German Shepherd, histopathology, pathology

ELISA Screening Detects Fumonisin in Corn

May 24, 2019 by Mallory Pfeifer

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...] about ELISA Screening Detects Fumonisin in Corn

Filed Under: Case Study Tagged With: analytical chemistry, college station, corn, elisa, equine, mold, poison, toxic, toxicology, toxicosis, TVMDL

Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia

May 20, 2019 by Mallory Pfeifer

Portrait of a funny beautiful red fluffy cat with green eyes in the interior, pets

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...] about Cat Diagnosed with Mammary Gland Fibroadenomatous Hyperplasia

Filed Under: Case Study Tagged With: cat, college station, feline, histopathology, pathology, TVMDL

Myxosarcoma – A Rare Breed

May 3, 2019 by Mallory Pfeifer

A playful black and white mixed breed dog, in a play bow position

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...] about Myxosarcoma – A Rare Breed

Filed Under: Case Study Tagged With: canine, clinical pathology, college station, dog, pathology

Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy

April 26, 2019 by Mallory Pfeifer

Harris hawk in flight with green grass in the background

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...] about Harris’s hawk diagnosed with fatal herpesvirus infection at necropsy

Filed Under: Case Study Tagged With: Avian, college station, hawk, herpervirus, histopathology, pathology, TVMDL

Coffee Senna Poisoning in Cattle

April 22, 2019 by Mallory Pfeifer

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...] about Coffee Senna Poisoning in Cattle

Filed Under: Case Study Tagged With: analytical chemistry, bovine, cattle, college station, plants, toxicology, TVMDL

Canine hepatozoonosis diagnosed via skeletal muscle biopsy

April 22, 2019 by Mallory Pfeifer

portrait of a dog (puppy) breed dachshund black tan, in the green forest

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...] about Canine hepatozoonosis diagnosed via skeletal muscle biopsy

Filed Under: Case Study Tagged With: biopsy, canine, college station, dog, histopathology, pathology, TVMDL

Transmissible Venereal Tumor Discovered on Dog

April 15, 2019 by Mallory Pfeifer

Portrait of border collie lying on the field with dandelions

Transmissible Venereal Tumor Discovered on Dog By Judith Akins, DVM, MS An aspirate from a mass on the penis of a 3-year-old, intact male, mixed breed dog was submitted for examination at the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Transmissible Venereal Tumor Discovered on Dog

Filed Under: Case Study Tagged With: canine, clinical pathology, college station, dog, mass, pathology, TVMDL, veneral disease

Duodenitis/proximal jejunitis (DPJ) in a horse

April 5, 2019 by Mallory Pfeifer

Close up of a brown horse with a white strip on its face grazing in an open field

Duodenitis/proximal jejunitis (DPJ) in a horse By Andrés de la Concha-Bermejillo, DVM, PhD  A 5-year-old Andalusian stallion was presented for necropsy at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) after being euthanatized … [Read more...] about Duodenitis/proximal jejunitis (DPJ) in a horse

Filed Under: Case Study Tagged With: college station, equine, histopathology, horse, pathology, TVMDL

Nitrate Poisoning in Cattle

April 1, 2019 by Mallory Pfeifer

black calf with white face eating hay from bale in pasture

Nitrate Poisoning in Cattle By Travis Mays, Analytical Chemistry Section Head Recently, seventeen cows died within twenty-four hours after consuming new hay. All of the cows died within 100 yards of the hay. A sample of the hay, along with tissue … [Read more...] about Nitrate Poisoning in Cattle

Filed Under: Case Study Tagged With: analytical chemistry, bovine, cattle, college station, toxicology, TVMDL

  • « Go to Previous Page
  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Go to page 4
  • Go to page 5
  • Go to page 6
  • Go to page 7
  • Go to Next Page »

Primary Sidebar

Latest News

  • Dimitrov authors chapters in Merck Veterinary Manual over Newcastle disease May 30, 2023
  • The passing of Dr. John Reagor, Veterinary Toxicologist Emeritus April 21, 2023
  • Too much (or too little) of a good thing: thyroid disease testing at TVMDL March 22, 2023
  • TVMDL adds three heavy metal panels to test catalog March 22, 2023
  • Arnold contributes to evaluation of Salmonella prevalence in feeder cattle March 16, 2023
  • Cytauxzoon felis: An Overview March 16, 2023

Footer

For Employees

  • Employee Email
  • TVMDL Rules & Procedures
  • TVMDL Career Center
  • Emergency Alert Systems
  • AgriLife People Directory
  • AgriLife Administrative Services
  • TAMUS Single Sign On
  • Facebook

State of Texas

  • Texas.gov Portal
  • Texas Veterans Portal
  • Statewide Search
  • Texas Homeland Security
  • Risk, Fraud, & Misconduct Hotline

Policies

  • Privacy and Security Policy
  • Accessibility Policy
  • Texas A&M AgriLife
  • Texas A&M Veterinary Medical Diagnostics Laboratory
  • Texas A&M Forest Service
  • Texas A&M AgriLife Extension Service
  • Texas A&M AgriLife Research

483 Agronomy Rd
College Station, TX 77843