• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • Locations:
  • Canyon
  • Center
  • College Station
  • Gonzales
  • TVMDL Career Center
  • Contact Us

Texas A&M Veterinary Medical Diagnostic Laboratory

Apple App

download on the Apple App Store
download the app on Google Play

Search

Translate:

  • Find a Form
  • Deliver a Sample
    • Specimen Collection Information
    • Packaging Samples for Shipment
    • Drop Off a Sample
    • Cremation
    • Order Supplies
  • Client Portal
    • Get Test Results
    • SVA Portal
    • Pay a Bill
  • Become a Client
  • Resources
    • TVMDL Bovine Testing Guidance and Reference Material
    • Diagnostic Plans
      • Bovine Syndromic Diagnostic Plans
      • Equine Syndromic Diagnostic Plans
      • Small Ruminant Syndromic Diagnostic Plans
      • Small Animal Syndromic Diagnostic Plans
    • Education Library
    • Case Study Library
    • Electronic Reporting: QR Coding Process
    • CoreOne Resources
  • About Us
    • Locations and Hours
    • Agency Leadership
    • Speaker’s Bureau
    • Texas Pullorum-Typhoid Program
    • TVMDL Mobile app
    • Contact Us
  • Locations
    • College Station Laboratory
    • Canyon Laboratory
    • Center Laboratory
    • Gonzales Laboratory
  • Contact Us

livestock

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

Diagnostic Guidance: Bovine Respiratory Disease (BRD) Complex

January 31, 2022 by Mallory Pfeifer

Cow standing in a pasture on a cattle ranch in Oklahoma

This post is from the BRD Complex producer handout. Bovine Respiratory Disease, commonly called “Shipping Fever”, is said to be the most costly disease affecting stocker and feedlot cattle. It is estimated that over $3 billion is spent annually on … [Read more...] about Diagnostic Guidance: Bovine Respiratory Disease (BRD) Complex

Filed Under: DX Guidance, News Tagged With: bovine, cattle, livestock

Keeping livestock healthy during a Texas winter

January 19, 2022 by Mallory Pfeifer

Red calf standing beside mother in snowy field

Texas winters are infamously fickle. Each year, weather conditions range from mild temperatures with high humidity to record-setting rain, sleet, and sometimes, snow. It’s also not uncommon for Texas to experience these weather conditions throughout … [Read more...] about Keeping livestock healthy during a Texas winter

Filed Under: News Tagged With: bovine, cattle, livestock, Texas, veterinary diagnostics, winter

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

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

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

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

Primary Sidebar

Latest News

  • Dominguez joins TVMDL as section head February 1, 2023
  • Delayed opening on Wednesday, February 1 for College Station, Center, and Gonzales labs January 31, 2023
  • 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

Footer

For Employees

  • Employee Email
  • TVMDL Rules & Procedures
  • TVMDL Career Center
  • Emergency Alert Systems
  • AgriLife People Directory
  • AgriLife Administrative Services
  • TAMUS Single Sign On
  • Facebook

State of Texas

  • Texas.gov Portal
  • Texas Veterans Portal
  • Statewide Search
  • Texas Homeland Security
  • Risk, Fraud, & Misconduct Hotline

Policies

  • Privacy and Security Policy
  • Accessibility Policy

Sign up for our species-specific newsletters!

Sign up for our species-specific newsletters!
  • Texas A&M AgriLife
  • Texas A&M Veterinary Medical Diagnostics Laboratory
  • Texas A&M Forest Service
  • Texas A&M AgriLife Extension Service
  • Texas A&M AgriLife Research

483 Agronomy Rd
College Station, TX 77843