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TVMDL

Texas A&M Veterinary Medical Diagnostic Lab reminds dog owners to be aware of kissing bug

February 14, 2022 by Mallory Pfeifer

close up of kissing bug on white background

February is typically a time of love and affection. However, this month the Texas A&M Veterinary Medical Diagnostic Laboratory, TVMDL, is reminding dog owners that some kisses can be deadly. Chagas disease, spread by a family of insects known … [Read more...] about Texas A&M Veterinary Medical Diagnostic Lab reminds dog owners to be aware of kissing bug

Filed Under: News Tagged With: blood, Chagas, dogs, kissing bugs, serology, serum, TVMDL

Listeriosis in a goat doe

January 3, 2022 by Mallory Pfeifer

A group of white and brown goats graze in a green pasture

Listeriosis in a goat doe Guy Sheppard DVM, Jessie Monday DVM, MS, Laura Rice DVM, MS, DACVP Samples from a one-year-old Boer goat doe were received at the TVMDL for testing.  The doe had displayed neurological signs including unilateral paresis, … [Read more...] about Listeriosis in a goat doe

Filed Under: Case Study Tagged With: anatomic pathology, caprine, college station, goat, histopathology, pathology, TVMDL

TVMDL retires Ammonia (Distilation)

December 29, 2021 by Mallory Pfeifer

woman with brown hair and safety glasses pouring liquid into tube in laboratory

Starting December 30, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) will no longer offer Ammonia (Distilation). Requests for this test have remained consistently low the past two years. As an alternative, clients interested in … [Read more...] about TVMDL retires Ammonia (Distilation)

Filed Under: News, Test Catalog Updates Tagged With: analytical chemistry, bovine, caprine, cervid, ovine, toxicology, TVMDL

Polio Syndrome in Ruminants

November 1, 2021 by Mallory Pfeifer

Brown, white and black goat eating green grass

Polio Syndrome in Ruminants Guy Sheppard, DVM Polioencephalomalacia “Polio” is a syndrome of ruminant animals affecting the central nervous system. Seizures are the most notable sign, progressing quickly to the death of the affected animal … [Read more...] about Polio Syndrome in Ruminants

Filed Under: Case Study Tagged With: bovine, cattle, college station, ruminants, TVMDL, vitamins

Cytology-Urine test added to TVMDL catalog

October 15, 2021 by Mallory Pfeifer

Several female lab technicians in white lab coats look through microscopes

The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is pleased to announce the addition of Cytology-Urine to the test catalog. This new offering aims to aid in the characterization of urine and assist with the diagnosis of urinary … [Read more...] about Cytology-Urine test added to TVMDL catalog

Filed Under: News, Test Catalog Updates Tagged With: clinical pathology, college station, cytology, TVMDL, urine

Systemic Besnoitiosis in a Virginia Opossum

September 7, 2021 by Mallory Pfeifer

Adult male Virginia opossum (Didelphis virginiana) or common opossum looks sideways and opens his mouth. The teeth are visible. Isolated on white background

Systemic Besnoitiosis in a Virginia Opossum Erin Edwards, DVM, MS, DACVP Besnoitia spp. are protozoal parasites that form tissue cysts in intermediate hosts. Besnoitiosis caused by B. darlinigi is well described in Virginia opossums (Didelphis … [Read more...] about Systemic Besnoitiosis in a Virginia Opossum

Filed Under: Case Study Tagged With: anatomic pathology, histopathology, native, opossum, pathology, TVMDL

Osteogenesis and dentinogenesis imperfecta in a calf

September 7, 2021 by Mallory Pfeifer

Black calf getting licked by mother in green field

Osteogenesis and Dentinogenesis Imperfecta in a Calf Randi Gold VMD, PhD, DACVP and Guy Sheppard DVM A 21 day-old calf with a history of multiple leg fractures and no evidence of external injuries was euthanized and sent into the TVMDL for … [Read more...] about Osteogenesis and dentinogenesis imperfecta in a calf

Filed Under: Case Study Tagged With: anatomic pathology, bovine, calf, cattle, histopathology, pathology, TVMDL

Monday discusses recent anthrax cases on Around the Caprock

August 30, 2021 by Mallory Pfeifer

Hands in blue gloves writing on a paper near several colorful bacteriology plates

Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) Veterinary Diagnostician Jessie Monday, DVM, MS was a recent guest on Texas Farm Bureau Radio Network's show Around the Caprock. She discussed two recent anthrax cases TVMDL confirmed in … [Read more...] about Monday discusses recent anthrax cases on Around the Caprock

Filed Under: News Tagged With: anthrax, bacteriology, bovine, canyon, cattle, equine, horses, pandhandle, TVMDL

Photosensitization: Causes and testing options

August 16, 2021 by Mallory Pfeifer

Close up view of a brown cow with white face's sun damaged nose

Photosensitization is a serious skin condition in horses and cattle caused by a hazardous combination of certain plants and ultraviolet (UV) light. Certain plants contain photodynamic agents, which then cause a reaction in the animal’s body that … [Read more...] about Photosensitization: Causes and testing options

Filed Under: News Tagged With: bovine, cattle, livestock, plants, sun, TVMDL

Sample instructions to improve vitamin and trace mineral test results

August 11, 2021 by Mallory Pfeifer

blue gloved hands holding blood tube with blue top

Sample instructions to improve vitamin and trace mineral test results Cat Barr, PhD, DABT The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has recently updated the sample requirements for Vitamins A and E in serum and for Trace … [Read more...] about Sample instructions to improve vitamin and trace mineral test results

Filed Under: Disease Updates, News Tagged With: analytical chemistry, blood, college station, metal, mineral, toxicology, TVMDL

Analytical chemistry research testing capabilities

August 6, 2021 by Mallory Pfeifer

laboratory beakers with a scientist in white coat in the background

Analytical chemistry research testing capabilities Travis Mays, MS, PhD The analytical chemistry section at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is equipped with instrumentation, including eight mass spectrometers, … [Read more...] about Analytical chemistry research testing capabilities

Filed Under: Case Study Tagged With: analytical chemistry, chemistry, college station, drug testing, TVMDL

Listeriosis in Cattle

August 6, 2021 by Mallory Pfeifer

Line of crossbred calves

Listeriosis in Cattle Guy Sheppard, DVM Since last summer, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has seen a few cases of listeriosis in cattle. Submitting veterinarians have reported profound neurological signs that … [Read more...] about Listeriosis in Cattle

Filed Under: Case Study Tagged With: bovine, canyon, cattle, college station, diagnostic testing, TVMDL

Novel gammaherpesvirus associated with primary gastric T-cell lymphoma in a free-ranging giant armadillo in Brazil

August 2, 2021 by Mallory Pfeifer

Close up view of armadillo's scales

Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) pathologist Josué Díaz-Delgago, DVM, MS, PhD, DACVP is part of a team that recently published an article over a novel gammaherpevirus in a free-ranging giant armadillo in Brazil. The … [Read more...] about Novel gammaherpesvirus associated with primary gastric T-cell lymphoma in a free-ranging giant armadillo in Brazil

Filed Under: News, Research & Publications Tagged With: anatomic pathology, armadillos, exotics, pathology, TVMDL

How to create a comprehensive serology testing plan

July 23, 2021 by Mallory Pfeifer

woman closely inspecting a testing plate with numerous blue wells on it

Prior to diagnostic testing, it’s important to determine what factors would lead to the most comprehensive assessment of an animal’s condition. Each case must be evaluated individually in order to establish the most practical diagnostic testing … [Read more...] about How to create a comprehensive serology testing plan

Filed Under: DX Guidance, News Tagged With: serology, testing, TVMDL

The role of diagnostic testing in establishing bovine vaccination programs

July 5, 2021 by Mallory Pfeifer

Young male cowboy sitting on gray horse in the middle of pen full of cows and calves

The role of diagnostic testing in establishing bovine vaccination programs Guy Sheppard, DVM Vaccination programs are integral to the overall health and profitability of a cattle operation. Without vaccinations, diseases such as Bovine … [Read more...] about The role of diagnostic testing in establishing bovine vaccination programs

Filed Under: Case Study Tagged With: bovine, cattle, diagnosticians, diagnostics, health, TVMDL, vaccination

Cutaneous Pythiosis in a German Shepherd Dog

July 5, 2021 by Mallory Pfeifer

German Shepherd dog laying in green grass

Cutaneous Pythiosis in a German Shepherd Dog Cheryl Maguire, DVM, Dominique Wiener, DVM, PhD, DECVP, Sonia Lingsweiler, BS, MS The bacteriology section at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) received a skin swab for … [Read more...] about Cutaneous Pythiosis in a German Shepherd Dog

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

A tale of a tail tumor: Ferret chordoma

June 21, 2021 by Mallory Pfeifer

young ferret isolated over white background

A tale of a tail tumor: Ferret chordoma Erin Edwards, DVM, MS, DACVP Chordomas are among the most common diagnoses in ferret biopsy samples submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). This article highlights a … [Read more...] about A tale of a tail tumor: Ferret chordoma

Filed Under: Case Study Tagged With: ferret, histopathology, necropsy, pathology, TVMDL

Strychnine detected in a puppy

June 21, 2021 by Mallory Pfeifer

Strychnine detected in a puppy Travis Mays, MS, DVM The Texas A&M Veterinary Medical Diagnostic Laboratory received stomach content, fresh kidney, and serum from a two-month old mixed breed puppy for testing. The owner found the puppy … [Read more...] about Strychnine detected in a puppy

Filed Under: Case Study Tagged With: analytical chemistry, canine, dog, toxicology, TVMDL

Hepatocytoptropic lymphoma in a Great Dane

April 19, 2021 by Mallory Pfeifer

Studio shot of a gray Great Dane dog lying on white background.

Hepatocytoptropic lymphoma in a Great Dane Morgan Matthews, DVM Tissues from a 3-year-old, castrated male Great Dane were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). On histopathology, the liver, spleen, and … [Read more...] about Hepatocytoptropic lymphoma in a Great Dane

Filed Under: Case Study Tagged With: anatomic pathology, canine, canyon, dog, Great Dane, histopathology, necropsy, pathology, TVMDL

Fatal Heartworm Disease and Caval Syndrome in a Ferret

April 12, 2021 by Mallory Pfeifer

Gray and black ferret standing in green grass

Fatal Heartworm Disease and Caval Syndrome in a Ferret Julie Anna Prusak and Erin Edwards, DVM, MS, DACVP A 3-year-old, pet, domestic ferret (Mustela putorius furo) was found dead suddenly and was sent to the Texas A&M Veterinary Medical … [Read more...] about Fatal Heartworm Disease and Caval Syndrome in a Ferret

Filed Under: Case Study Tagged With: anatomic pathology, college station, ferret, histopathology, necropsy, pathology, pocket pets, TVMDL

T-cell lymphoma is not always “terrible”

April 12, 2021 by Mallory Pfeifer

gray and white shih tau dog laying in grass grass

T-cell lymphoma is not always “terrible” Julie Piccione, DVM, MS, DACVP A 10-year-old female spayed Shih Tzu was presented to her veterinarian for an annual wellness exam. At home, the dog had been doing well but was reported to have less energy. … [Read more...] about T-cell lymphoma is not always “terrible”

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

Texas A&M Veterinary Medical Diagnostic Lab on the front lines of pet food recalls

March 30, 2021 by Mallory Pfeifer

white bowl full of brown pet food

This story originally appeared in AgriLife Today and was written by Kay Ledbetter. When small-animal veterinarians have questions or problems, they often turn to the Texas A&M Veterinary Medical Diagnostic Laboratory, TVMDL, due to the … [Read more...] about Texas A&M Veterinary Medical Diagnostic Lab on the front lines of pet food recalls

Filed Under: News Tagged With: analytical chemistry, canine, college station, companion animals, feline, pets, toxicology, TVMDL, vet-lirn

Diagnostic Guidance: Skin Biopsy Best Practices

March 8, 2021 by Mallory Pfeifer

Hands in blue gloves prepare tissues under light

Diagnostic Guidance: Skin Biopsy Best Practices Will Sims, DVM, MS Dermatology cases are one of the most common types of cases seen by general practitioners. A crucial diagnostic tool in these cases is the skin biopsy. They are indicated … [Read more...] about Diagnostic Guidance: Skin Biopsy Best Practices

Filed Under: DX Guidance, News Tagged With: biopsy, dermatology, histopathology, pathology, TVMDL

Calcinosis circumscripta in a surgical amputation site

January 25, 2021 by Mallory Pfeifer

mixed breed dog in front of a white background

Calcinosis circumscripta in a surgical amputation site Randi Gold, VMD, PhD, DACVP A one-year-old, female-spayed, mix breed dog required a mid-shaft, hind leg amputation after a femoral fracture. Following the amputation, the owner and … [Read more...] about Calcinosis circumscripta in a surgical amputation site

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

When T4 and Free T4 Don’t Match

January 18, 2021 by Mallory Pfeifer

Active playful young Australian Shepherd crossbreed dog rising up to run forward with happy smiling expression

When T4 and Free T4 Don’t Match Julie Piccione, DVM, MS, DACVP, and Malcolm Delovio, PhD A two-year-old mixed breed dog was presented to their veterinarian for an inability to lose weight and mild hair loss. Blood was collected and serum was … [Read more...] about When T4 and Free T4 Don’t Match

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

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  • Rare case of ocular onchocerciasis in a dog from south Texas January 25, 2023
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