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Ocular coccidiomycosis in a puppy

May 27, 2020 by Mallory Pfeifer

Low Angle View Of Great Pyrenees Dogs Relaxing On Chair In Yard

Ocular coccidiomycosis in a puppy Erin Edwards, DVM, MS, DACVP Last summer, ocular coccidiomycosis was diagnosed via histopathology in a 12-week-old Great Pyrenees puppy. The puppy was from Brewster county in West Texas. This puppy was clinically … [Read more...] about Ocular coccidiomycosis in a puppy

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

Cushing’s Disease Diagnosed with Low Dose Dexamethasone Suppression Test

May 6, 2020 by Mallory Pfeifer

An adorable beagle dog sitting in the grass field.

Cushing’s Disease Diagnosed with Low Dose Dexamethasone Suppression Test Julie Piccione, DVM, MS, DACVP A 13-year-old female spayed Beagle was presented to its veterinarian for increased urination. On physical exam, the veterinarian noted a … [Read more...] about Cushing’s Disease Diagnosed with Low Dose Dexamethasone Suppression Test

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

Quantitating Cantharidin levels in a blister beetle

May 6, 2020 by Mallory Pfeifer

Three pictures of three-stripped blister beetles

Quantitating Cantharidin levels in a blister beetle By Cat Barr, PhD, DABT In January, an animal owner in northwestern Washington State contacted the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) regarding possible blister … [Read more...] about Quantitating Cantharidin levels in a blister beetle

Filed Under: Case Study Tagged With: analytical chemistry, blister beetle, college station, equine, horse, horses, insect, toxic, toxicology, TVMDL

Johne’s Disease: How are cattle affected?

April 20, 2020 by Mallory Pfeifer

Close-up of the heads of curious Red Angus cattle during feeding time in an outdoor pen - dust from the hay and outdoor enclosure swrl in the air around their heads.

Johne’s Disease: How are cattle affected? Guy Sheppard, DVM The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has seen quite a few cattle testing positive for Johne’s Disease in the last several months. Clinically affected cattle … [Read more...] about Johne’s Disease: How are cattle affected?

Filed Under: Case Study Tagged With: bovine, cattle, college station, TVMDL, veterinary diagnostician

Suspected Anticoagulant Bait Confirmed to be Bromethalin

April 20, 2020 by Mallory Pfeifer

vet in black gloves holds a kitten in his hands. close up, pet

Suspected Anticoagulant Bait Confirmed to be Bromethalin Amy Phillips, Analytical Chemistry Technician and Travis Mays, MS, PhD, Analytical Chemistry Section Head A male kitten was rescued by animal control and taken to a veterinary clinic for … [Read more...] about Suspected Anticoagulant Bait Confirmed to be Bromethalin

Filed Under: Case Study Tagged With: analytical chemistry, cat, college station, feline, toxicology, TVMDL

Horse Diagnosed with Equine Botryomycosis

April 6, 2020 by Mallory Pfeifer

Brown quarter horse standing with head looking over shoulder amongst dark background

Horse Diagnosed with Equine Botryomycosis Kayla Tomaso and Erin Edwards, DVM, MS, DACVP Tissue samples from two ear masses on a 3-year-old American Quarter Horse were submitted to the Texas A&M Veterinary Diagnostic Lab (TVMDL) in College … [Read more...] about Horse Diagnosed with Equine Botryomycosis

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

Chromatophoromas in lacertids

March 30, 2020 by Mallory Pfeifer

A relaxed Bearded Dragon lizard basking in the sunshine on an outdoor tree branch

Chromatophoromas in lacertids By Gaya Balamayooran, DVM, PhD, DACVP and Josué Diaz-Delgado, DVM, MS, PhD, DACVP A 76 gram, 9-year-old female knight anole (Anolis equestris) lizard from a zoological collection was euthanized due to poor prognosis … [Read more...] about Chromatophoromas in lacertids

Filed Under: Case Study Tagged With: college station, exotics, histopathology, pathology, reptiles, TVMDL

Cyanobacteria: No winter break this year

March 30, 2020 by Mallory Pfeifer

The dog is bathed in the clear water of the pond

Cyanobacteria: No winter break this year By Cat Barr, PhD, DABT Blue-green algae (cyanobacteria) have barely taken a break this winter. The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has already had several positive samples … [Read more...] about Cyanobacteria: No winter break this year

Filed Under: Case Study Tagged With: analytical chemistry, blue-green algae, canine, college station, dogs, spring, summer, toxicology

Segmental analysis of hair for drug detection in racing horses

March 16, 2020 by Mallory Pfeifer

Horse jockeys riding brown horses in a horse race

Segmental analysis of hair for drug detection in racing horses Travis Mays, MS, PhD The Texas A&M Veterinary Medical Diagnostic Laboratory’s (TVMDL) drug testing laboratory offers a screen for the detection of beta-adrenergic agonist drugs, … [Read more...] about Segmental analysis of hair for drug detection in racing horses

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

Malignant Catarrhal Fever in a 1-year-old heifer

March 16, 2020 by Mallory Pfeifer

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

Malignant Catarrhal Fever in a 1-year-old heifer By R. Gayman Helman, DVM, PhD, Guy Sheppard, DVM, and Meagan Schroeder, PhD A 1-year-old heifer became weak and isolated herself. Three days later, 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, heifer, Molecular Diagnostics, PCR, TVMDL

Diagnostic guidance: Cantharidin poisoning in horses

March 12, 2020 by Mallory Pfeifer

Four brown horses with black manes eating green grass

When horses ingest the cantharidin toxin through hay or alfalfa contaminated with “blister” beetles, the outcome is often fatal. Toxicosis occurs rapidly; as little as four grams of dried beetles may contain fatal levels of … [Read more...] about Diagnostic guidance: Cantharidin poisoning in horses

Filed Under: DX Guidance, News Tagged With: analytical chemistry, college station, equine, horses, spring, summer, toxicology, TVMDL

Calcinosis Circumscripta

March 2, 2020 by Mallory Pfeifer

German Shepherd isolated on white background

Calcinosis Circumscripta Judith Akins, DVM, MS Slides from an aspirate of a mass on the left elbow of a two-year-old, intact male German Shepherd dog were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for … [Read more...] about Calcinosis Circumscripta

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

Dogs will eat anything, won’t they?

March 2, 2020 by Mallory Pfeifer

Doberman Mixed Breed Senior Dog with Ear perked up

Dogs will eat anything, won’t they? Cat Barr, PhD, DABT Four dogs were brought to a veterinary clinic when one had been seizing for several hours and the other three had begun to tremble. All four dogs had reportedly been running loose in a rural … [Read more...] about Dogs will eat anything, won’t they?

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

Necropsy of rare bovine conjoined twins

February 24, 2020 by Mallory Pfeifer

One black young cow, calf closeup grazing on pasture, green grass in Virginia farms countryside meadow field

Necropsy of rare bovine conjoined twins By Erin Edwards, DVM, MS, DACVP and Gaya Balamayooran, DVM, PhD, DACVP Recently, bovine conjoined twin calves were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). Both the … [Read more...] about Necropsy of rare bovine conjoined twins

Filed Under: Case Study Tagged With: bovine, cattle, college station, histopathology, pathology, TVMDL

Prepare your horses for spring: Vaccinate for West Nile virus and Eastern Equine Encephalitis virus

February 19, 2020 by Mallory Pfeifer

Portrait of a bay horse in the tall grass

Last year, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL), documented fewer cases of West Nile virus than in previous years. The number of positive cases of West Nile virus in horses seen at TVMDL fluctuates from year to year, … [Read more...] about Prepare your horses for spring: Vaccinate for West Nile virus and Eastern Equine Encephalitis virus

Filed Under: DX Guidance, News Tagged With: college station, Eastern Equine Encephalitis, equine, TVMDL, West Nile virus

Drug screen for beta-agonists in hair and wool for livestock species added to TVMDL test catalog

February 3, 2020 by Mallory Pfeifer

Woman in white laboratory coat examines bottle of reagent

The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is pleased to announce the addition of a drug screen for beta-agonists in hair and wool for livestock species. Similar to retinal tissue, hair and wool have been shown to retain … [Read more...] about Drug screen for beta-agonists in hair and wool for livestock species added to TVMDL test catalog

Filed Under: News, Test Catalog Updates Tagged With: analytical chemistry, college station, drug testing, livestock, livestock shows, TVMDL

Neospora caninum Abortion in Cattle

December 23, 2019 by Mallory Pfeifer

Close-up of the heads of curious Red Angus cattle during feeding time in an outdoor pen - dust from the hay and outdoor enclosure swrl in the air around their heads.

Neospora caninum Abortion in Cattle Guy Sheppard, DVM Neospora caninum is a protozoal organism that is associated with abortion in cattle and the birth of weak calves.  Dogs are the definitive hosts for this organism, and the organism is spread … [Read more...] about Neospora caninum Abortion in Cattle

Filed Under: Case Study Tagged With: bovine, college station, diagnostics, Molecular Diagnostics, TVMDL, Virology

Histopathologic Diagnosis of Feline Herpesvirus

November 5, 2019 by Mallory Pfeifer

Noble proud cat lying on window sill. The British Shorthair with blue gray fur

Histopathologic Diagnosis of Feline Herpesvirus Erin Edwards, DVM, MS, DACVP and Jay Hoffman, DVM, PhD, DACVP Feline herpesvirus is a highly transmissible, viral disease that is very common in cats. This disease is also known as feline viral … [Read more...] about Histopathologic Diagnosis of Feline Herpesvirus

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

Possible Wilted Maple Poisoning in Mare

November 1, 2019 by Mallory Pfeifer

Three brown horses standing at a fence

Possible Wilted Maple Poisoning in Mare Cat Barr, PhD, DABT A 7-year-old pastured mare suffered an acute onset of hemolytic anemia and hematuria. The blood drawn for analysis was hemolyzed and dark. The mare died about three hours after … [Read more...] about Possible Wilted Maple Poisoning in Mare

Filed Under: Case Study Tagged With: analytical chemistry, college station, equine, horse, mare, toxicology, toxin, TVMDL

Canine Coccidiosis

October 21, 2019 by Mallory Pfeifer

Canine Coccidiosis Jai Guha, Mindy Borst, LVT, and Julie Piccione, DVM, MS, DACVP An 11-year-old Corgi mix was presented to the veterinarian with intermittent diarrhea and inappetence. History noted the dog had clinical signs of gastrointestinal … [Read more...] about Canine Coccidiosis

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

Acute Toxoplasma gondii Infection Confirmed in a Canine

October 14, 2019 by Mallory Pfeifer

Doberman Mixed Breed Senior Dog with Ear perked up

Acute Toxoplasma gondii Infection Confirmed in a Canine Cheryl Maguire, DVM An adult, mixed-breed dog was presented to their veterinarian for progressive lethargy, fever, and abdominal distension.  The dog had recently started treatment with … [Read more...] about Acute Toxoplasma gondii Infection Confirmed in a Canine

Filed Under: Case Study Tagged With: canine, college station, Molecular Diagnostics, serology

Drug Testing During the Fall Livestock Show Season

October 1, 2019 by Mallory Pfeifer

young boy leading show calf

Drug Testing During the Fall Livestock Show Season Travis Mays, MS, PhD Between the months of August to December, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) performs drug testing on more than 1,000 urine, blood, fecal, and … [Read more...] about Drug Testing During the Fall Livestock Show Season

Filed Under: Case Study Tagged With: analytical chemistry, Avian, bovine, caprine, college station, drug testing, equine, ovine, porcine, TVMDL

Ehrlichia canis discovered in dog

October 1, 2019 by Mallory Pfeifer

Old golden dog standing in front of green trees and looking to the side

Ehrlichia canis discovered in dog Julie Piccione, DVM, MS, DACVP, Pam Ferro, MS, PhD, and Megan Schroeder, PhD A 7-year-old, neutered Labrador Retriever was presented to their veterinarian for acute onset of lethargy, inappetence, and epistaxis. … [Read more...] about Ehrlichia canis discovered in dog

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

Contagious Ecthyma Diagnosed in a Young Goat

September 19, 2019 by Mallory Pfeifer

Contagious Ecthyma Diagnosed in a Young Goat Erin Edwards, DVM, MS, DACVP, Andrés de la Concha-Bermejillo, DVM, PhD, Pam Ferro, MS, PhD The body of a 3-month-old goat was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Contagious Ecthyma Diagnosed in a Young Goat

Filed Under: Case Study Tagged With: caprine, college station, histopathology, Molecular Diagnostics, pathology, TVMDL, Virology

Bovine Abortion Caused by Leptospira spp.

September 19, 2019 by Mallory Pfeifer

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

Bovine Abortion Caused by Leptospira spp. Guy Sheppard, DVM, Gabriel Gomez, DVM, PhD, Pam Ferro, MS, PhD, and Megan Schroeder, PhD Tissue from a cross-bred bovine fetus in the third trimester of gestation was submitted to the Texas A&M … [Read more...] about Bovine Abortion Caused by Leptospira spp.

Filed Under: Case Study Tagged With: abortion, bovine, cattle, college station, hisopathology, pathology, TVMDL, Virology

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