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Search results for “drug”.

  • Other Fees

    In addition to testing, TVMDL offers clients various additional services. Click each fee category to view the fees and services. Additional Fees Fee Name Description Price Consultation/Interpretation Fee Fee for Analytical Chemistry to offer interpretation of water samples from the Texas A&M AgriLife Extension Service Soil, Water and Forage Testing Laboratory. $5.75 Decalcification Fee to…

  • Pathologic diagnosis of coccidiosis in goats

    Coccidia are single-celled parasites that are common in many species, including goats. Diagnosis of coccidiosis is most commonly achieved through fecal flotation in specimens from live animals. Characteristic lesions can also be seen at necropsy. This article will highlight a recent case of coccidiosis in a goat kid at the Texas A&M Veterinary Medical Diagnostic…

  • Pentobarbital (LC/MS)

    Detection of pentobarbital in submitted samples.

  • Pentobarbital in a turkey vulture

    Twenty turkey vultures were found dead near the vicinity of a horse that was euthanized. One of the turkey vultures was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy. Postmortem decomposition hindered a thorough diagnostic necropsy. Portions of all major organs were collected, and liver was submitted to TVMDL’s drug testing…

  • Pesticide Screen (GC/MS)

    Detection and identification of a variety of chemicals including organophosphates, organochlorines, carbamates, industrial pollutants, polycyclic aromatics, aliphatic hydrocarbons, miscellaneous pesticides, some natural products and some drugs using gas chromatography – mass spectrometry (GC/MS). Samples are screened using multiple instrument libraries containing mass spectra for thousands of compounds. Positive identification of a suspect sample is made by…

  • Possible chocolate poisoning in a dog

    TVMDL received a full set of fresh and fixed tissue samples and stomach content from a four-year-old Belgian Tervuren for testing. The dog appeared normal in the morning, running and playing in the yard. The owner found the dog deceased two hours later. It was noted that the dog liked to eat corn as it…

  • Possible methamphetamine exposure in a dog

    A six-month-old, intact male, Doberman Pinscher was observed chewing on a small zip-lock bag and then spit it out. The dog became hyperactive and difficult to control. The dog also developed a bloody, mucoid stool. No vomiting was noted. The small zip-lock bag was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for…

  • Segmental analysis of hair for drug detection in racing horses

    The Texas A&M Veterinary Medical Diagnostic Laboratory’s (TVMDL) Analytical Chemistry Section offers a screen for the detection of beta-adrenergic agonist drugs, including albuterol, bambuterol, clenbuterol, ractopamine, and zilpaterol, in hair. Certain drugs bind to melanin in hair and can be detected months, and in some cases years, following drug administration. This provides horse racing regulators…

  • Strychnine detected in a puppy

    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 deceased in the yard with foam coming from its mouth. Malicious poisoning was suspected as a neighbor previously threatened to poison the owner’s puppies. Given the uncertainty…