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TVMDL adds panel to test catalog to aid in the detection of strangles

January 9, 2023 by Mallory Pfeifer

Chestnut horse in a pasture with golden back light.

The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) now offers a new strangles testing panel to assist equine clients in the detection of strangles. Earlier this year, TVMDL announced the addition of a multiplex real-time polymerase … [Read more...] about TVMDL adds panel to test catalog to aid in the detection of strangles

Filed Under: News, Test Catalog Updates Tagged With: bacteriology, canyon, college station, equine, horse, Molecular Diagnostics, strangles

Texas Animal Health Commission updates trichomoniasis testing requirements

January 5, 2023 by Mallory Pfeifer

Black Angus bull covered in mud, walking toward the camera with Angus and Charolais heifers behind him.

On December 27, the Texas Animal Health Commission (TAHC) updated the requirements for the Texas Trichomoniasis Program. Among the updates, TAHC increased the duration of transport time for direct smegma samples shipped in phosphate buffered saline … [Read more...] about Texas Animal Health Commission updates trichomoniasis testing requirements

Filed Under: News, Test Catalog Updates Tagged With: bacteriology, bovine, canyon, cattle, college station, cows, Molecular Diagnostics, trich, trichomoniasis

Forensic pathology/legal necropsy examinations

September 26, 2022 by Mallory Pfeifer

Crime scene with yellow signs.

A forensic or legal necropsy as defined by the purposes of the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is a necropsy done to attempt to determine the cause of death in cases where the death is known or suspected to be … [Read more...] about Forensic pathology/legal necropsy examinations

Filed Under: News Tagged With: anatomic pathology, canyon, college station, forensics, histopathology, legal, pathology

Collaborative project leads to improved diagnostic detection of strangles

September 21, 2022 by Mallory Pfeifer

brown horse with white stripe on nose in a pen at sunset

Research initiated at the Equine Infectious Disease Laboratory (EIDL) at Texas A&M University aimed at exploring the genomic components of strangles has now led to an improved assay at the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Collaborative project leads to improved diagnostic detection of strangles

Filed Under: News, Test Catalog Updates Tagged With: bacteriology, college station, equine, horse, microbacteriology, Molecular Diagnostics, PCR, strangles, Virology

Collecting hair for livestock drug testing

September 13, 2022 by Mallory Pfeifer

The collection of hair samples should be undertaken by a competent individual within a secure, contamination-free facility. Hair is a strong, stable tissue that is simple to collect, transport, and store. Data suggest hair is as effective a matrix as … [Read more...] about Collecting hair for livestock drug testing

Filed Under: DX Guidance, News Tagged With: analytical chemistry, college station, drug testing, livestock

Pinkeye in cattle

June 6, 2022 by Mallory Pfeifer

Close up of cow head and eye

Pinkeye in cattle Guy Sheppard, DVM Infectious Bovine Keratoconjunctivitis (IBK) or pinkeye can be very problematic at times in cattle herds. It is manifested as an inflammation/infection of the cornea and conjunctiva of one or both eyes in … [Read more...] about Pinkeye in cattle

Filed Under: Case Study Tagged With: bovine, canyon, cattle, college station, cows, diagnostics, pinkeye

Equine asthma diagnosed with BAL Cytology

June 6, 2022 by Mallory Pfeifer

Portrait of a Palomino horse on black background.

Equine asthma diagnosed with BAL Cytology Julie Piccione, DVM, MS, DACVP and Judith Akins, DVM, MS A 23-year-old American Quarter Horse mare was presented to a veterinarian for chronic coughing and exercise intolerance. On physical examination, … [Read more...] about Equine asthma diagnosed with BAL Cytology

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

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

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

Detection of Neospora caninum DNA in a mummified bovine fetus

November 1, 2021 by Mallory Pfeifer

brown and white cows standing in green grass

Detection of Neospora caninum DNA in a mummified bovine fetus Andrés de la Concha-Bermejillo, DVM, MS, PhD, Pam Ferro, PhD, Megan Schroeder, PhD The body of a midterm bovine fetus and the attached placenta were submitted to the Texas A&M … [Read more...] about Detection of Neospora caninum DNA in a mummified bovine fetus

Filed Under: Case Study Tagged With: anatomic pathology, bovine, cattle, college station, histopathology, Molecular Diagnostics, pathology

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

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

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

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

Don’t let your pet pick their poison: Stay vigilant of potentially toxic sources this New Year’s Eve

December 29, 2020 by Mallory Pfeifer

White dog with blue confetti streamers standing in front of a white background

Although holiday celebrations are coming to a close, it is important pet owners continue to stay vigilant about potentially toxic sources. The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) encourages pet owners to take steps to … [Read more...] about Don’t let your pet pick their poison: Stay vigilant of potentially toxic sources this New Year’s Eve

Filed Under: DX Guidance, News Tagged With: analytical chemistry, canine, college station, feline, holiday, pet, toxicity, toxicosis, TVMDL

Zinc contamination in serum samples

December 7, 2020 by Mallory Pfeifer

Ten test tubes with colored tops

Zinc contamination in serum samples Cat Barr, PhD, DABT Recently, the Texas A&M Veterinary Medical Diagnostic Laboratory’s (TVMDL) analytical chemistry section performed zinc testing on a small set of paired samples. Prior to testing, blood … [Read more...] about Zinc contamination in serum samples

Filed Under: Case Study Tagged With: analytical chemistry, college station, minerals, serum, toxic, toxicology, TVMDL

Marijuana detected in multiple dogs

December 7, 2020 by Mallory Pfeifer

Old brown dog with blue collar laying down on floor

Marijuana detected in multiple dogs Travis Mays, MS, PhD The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) received serum for marijuana testing from three different dogs over a period of five days. Each case was unrelated, and … [Read more...] about Marijuana detected in multiple dogs

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

Hyperestrogenism Syndrome in a Dog with a Sertoli Cell Tumor

November 30, 2020 by Mallory Pfeifer

young jack russell terrier dog standing outdoors

Hyperestrogenism Syndrome in a Dog with a Sertoli Cell Tumor Erin Edwards, DVM, MS, DACVP Sertoli cell tumors are unique testicular tumors that are known for their ability to cause feminization of male dogs. These tumors are commonly diagnosed … [Read more...] about Hyperestrogenism Syndrome in a Dog with a Sertoli Cell Tumor

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

Diagnostic Guidance: Rumen Acidosis (Grain Overload)

November 30, 2020 by Mallory Pfeifer

Farmer Feeding His Baby Cows from a Blue Bucket

Diagnostic Guidance: Rumen Acidosis (Grain Overload) Guy Sheppard, DVM Grain is certainly an important feedstuff for livestock, but it can also be deadly if not fed correctly. Grains are rich in carbohydrates and provide energy for the animals … [Read more...] about Diagnostic Guidance: Rumen Acidosis (Grain Overload)

Filed Under: DX Guidance, News Tagged With: bovine, cattle, college station, grain, nutrition, TVMDL

TVMDL retires feline heartworm antibody test

November 25, 2020 by Mallory Pfeifer

Gray cat swatting at mosquito in green grass

Starting November 25, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) will no longer perform Dirofilaria immitis Antibody – Feline (Lateral Flow). The kit manufacturer, Heska, no longer produces the kits needed to perform this … [Read more...] about TVMDL retires feline heartworm antibody test

Filed Under: News, Test Catalog Updates Tagged With: college station, feline, heartworm, serology, TVMDL

Anaplasmosis in cattle

October 19, 2020 by Mallory Pfeifer

Small herd of red free-range cattle on a rural farm

Anaplasmosis in cattle Guy Sheppard, DVM Anaplasmosis is a blood cell parasite of cattle with a worldwide distribution, but the disease is most common in tropical and subtropical areas. Anaplasma marginale is the most common organism involved in … [Read more...] about Anaplasmosis in cattle

Filed Under: Case Study, DX Guidance Tagged With: bovine, cattle, college station, parasite, parasitology, TVMDL

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Latest News

  • Rare case of ocular onchocerciasis in a dog from south Texas January 25, 2023
  • Dimitrov contributes to literature over avian paramyxoviruses January 24, 2023
  • *Update 1/24 Canyon lab will be closed* January 23, 2023
  • Two professionals recognized with Texas A&M AgriLife Vice Chancellor’s Awards in Excellence January 19, 2023
  • Lemburg honored with Vice Chancellor Award in Excellence January 19, 2023
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