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toxicology

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

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

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

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

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

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

Copper Toxicity in Show Animals

May 3, 2019 by Mallory Pfeifer

Three brown and white goats with horns being exhibited at livestock show

Copper Toxicity in Show Animals Guy Sheppard, DVM In reflecting upon yet another major livestock show season in Texas, it is important to keep in mind the possibility of copper toxicity, particularly in sheep and goats. Sheep are particularly … [Read more...] about Copper Toxicity in Show Animals

Filed Under: Case Study Tagged With: caprine, goat, livestock, livestock show, ovine, sheep, toxic, toxicology, veterinary

Salt Toxicity in Broilers

April 26, 2019 by Mallory Pfeifer

white chickens in poultry barn

Salt Toxicity in Broilers By Gabriel Senties-Cue, MS, MVZ, DACPV Salt toxicity was recently diagnosed in a 17-day-old, meat type chicken flock. Twelve birds were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in … [Read more...] about Salt Toxicity in Broilers

Filed Under: Case Study Tagged With: Avian, broilers, center, necropsy, poultry, toxic, toxicology, 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

Chronic lead exposure in flock of backyard chickens

April 15, 2019 by Mallory Pfeifer

groups of chickens in field at sunset

Chronic lead exposure in flock of backyard chickens By Martin Ficken, DVM, PhD  The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Gonzales received a phone call concerning a decrease in production and poor performance of a … [Read more...] about Chronic lead exposure in flock of backyard chickens

Filed Under: Case Study Tagged With: Avian, chicken, Gonzales, histopathology, lead, pathology, toxic, toxicology, 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

Coffee senna linked to cattle deaths in Texas

March 4, 2019 by Mallory Pfeifer

Coffee senna linked to cattle deaths in Texas By Guy Sheppard, DVM and Cat Barr, PhD Since the onset of winter, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has seen quite a few cases of intoxication in cattle that have … [Read more...] about Coffee senna linked to cattle deaths in Texas

Filed Under: Case Study Tagged With: bovine, cattle, cow, toxic, toxicology, TVMDL, TVMDL-College Station, veterinary diagnostician

Chlorinated hydrocarbon and arsenic poisoning in cattle

February 4, 2019 by Mallory Pfeifer

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

Chlorinated hydrocarbon and arsenic poisoning in cattle By Travis Mays, Analytical Chemistry Section Head A herd of 14, six-month-old crossbred cattle was turned out into a new pasture. Within five days, five head died suddenly. An old barn with … [Read more...] about Chlorinated hydrocarbon and arsenic poisoning in cattle

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

Lead poisoning in guinea fowl

September 10, 2018 by Mallory Pfeifer

Brown, white, and black guinea in green grass

Lead poisoning in guinea fowl By Martin Ficken, DVM, PhD One live male guinea fowl was presented to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy. History noted the bird was bright and alert, but moved very … [Read more...] about Lead poisoning in guinea fowl

Filed Under: Case Study Tagged With: Avian, Gonzales, pathology, poultry, toxicology, TVMDL

Multiple goats diagnosed with senna plant toxicosis

July 2, 2018 by Mallory Pfeifer

a goat isolated on a white background

Multiple goats diagnosed with senna plant toxicosis By Cat Barr, PhD, DABT, Erin Edwards, DVM, MS, DACVP, Barbara Lewis, DVM, MS, DACVP, and Travis Mays, MS In late March of this year, the Texas A&M Veterinary Medical Diagnostic Laboratory … [Read more...] about Multiple goats diagnosed with senna plant toxicosis

Filed Under: Case Study Tagged With: caprine, college station, goat, poison, toxicology, TVMDL, TVMDL-College Station

Burn-pile leads to arsenic poisoning

May 29, 2018 by Mallory Pfeifer

Burning a pile of old wood and composite in a grass field.

Burn-pile leads to arsenic poisoning By Cat Barr, PhD Fifteen crossbred calves were placed in a pasture with a burn-pile. The day after they were provided with Johnson grass hay, one calf was found dead. Two days later, three calves were walking … [Read more...] about Burn-pile leads to arsenic poisoning

Filed Under: Case Study Tagged With: arsenic, bovine, cattle, college station, livestock, toxicology, TVMDL, TVMDL-College Station

Bromethalin poisoning in a feline

April 2, 2018 by Mallory Pfeifer

A playful Calico Domestic Longhair Cat extends its outstretched arm into the air.

Bromethalin poisoning in a feline By Travis Mays, MS With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and diagnostic … [Read more...] about Bromethalin poisoning in a feline

Filed Under: Case Study Tagged With: analytical chemistry, college station, feline, poisoning, toxicology, TVMDL, TVMDL-College Station

Know your pasture! Lantana poisoning in a group of steers

February 27, 2018 by Mallory Pfeifer

Red, yellow, and orange flowers on a lantana plant

Know your pasture! Lantana poisoning in a group of steers By Cat Barr, PhD With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among … [Read more...] about Know your pasture! Lantana poisoning in a group of steers

Filed Under: Case Study Tagged With: college station, lantana plants, poisonous plants, toxicology, TVMDL, TVMDL-College Station

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