Education Library Articles

  • Avian Influenza Testing Blood Collection

    TVMDL maintains two laboratories dedicated to poultry diagnostics, located in Center, Texas and Gonzales, Texas. With the help of TVMDL, veterinarians can learn the best method to safely take a blood sample from poultry; the sample TVMDL uses to test for diseases like Avian Influenza, Salmonella or Mycoplasma. Veterinarians service the Texas animal health industry…

  • Avian Influenza Testing Swab Collection

    TVMDL maintains two laboratories dedicated to poultry diagnostics, one in Center, Texas and the other in Gonzales, Texas. Veterinarians, with assistance from TVMDL, service the Texas animal health industry by certifying poultry are healthy. With the help of TVMDL, veterinarians can ensure the best and safest sample collection technique when collecting samples from a live-bird.…

  • Avoid Delays When Submitting Antemortem Chronic Wasting Disease (CWD) Samples

    Although the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) strives to process and test all samples quickly, delays occur when samples arrive at the lab in less than ideal conditions. Here are some practices to help mitigate potential delays when submitting samples for antemortem CWD testing. Paperwork All antemortem CWD samples should have a thoroughly…

  • Bacterial placentitis in cattle

    The placenta and the aborted male fetus from a mature Angus cow were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for diagnostic testing. The cow had been artificially inseminated seven months prior to the abortion. No clinical signs prior to the abortion were reported in the submission form by the submitter. The…

  • Best Practices for Submitting Tissues for CWD IHC Testing

    The Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) is committed to assisting the Texas deer industry. To expedite submissions and ensure accurate reports, clients should consider the following practices prior to submitting samples for testing. Samples submitted in less than ideal condition may result in delays. Not Ideal Tissue is not flat. Folded tissues increase…

  • Blue-Green Algae (Cyanobacteria) Alert: Recognizing and Mitigating the Hazards

    Blue-green algae, or cyanobacteria, are bacteria capable of photosynthesis. They play a crucial role in the nitrogen cycle by converting atmospheric nitrogen into a form usable by plants and other organisms. However, under certain conditions, such as warm temperatures and high nutrient levels (phosphorus and nitrogen), cyanobacteria can proliferate rapidly, leading to harmful algal blooms.…

  • Bone Biopsy Best Practices

    Click to Skip Tips for Collecting Needle and Core Bone Biopsy | Tips for Submitting and Entire Leg | Clinical History Submitting samples of bone for histopathological analysis is essential to definitively diagnose most primary bone diseases (e.g., osteosarcoma). However, collecting representative bone biopsy specimens and their histopathological interpretations presents several challenges for the clinician…

  • Bone Marrow Collection and Preparation

    Click to Skip: Bone Marrow Aspirate Procedure | Bone Marrow Core Biopsy Procedure Bone marrow testing is used to diagnose and monitor bone marrow diseases and CBC abnormalities. Full evaluation of bone marrow requires a CBC the day of the bone marrow collection, bone marrow aspiration, and a bone marrow core biopsy.  Indications for bone…

  • Bone marrow evaluation

    Hematopoietic cells such as red blood cells, white blood cells, and platelets are produced and mature within the bone marrow, a semi-solid tissue that is found within cancellous or “spongy” bone. Bone marrow testing is used to diagnose and monitor bone marrow diseases and peripheral blood abnormalities. Indications for bone marrow examination could include persistent…

  • Bovine abortion: Diagnostic insights for herd health management 

    In this article:   Bovine abortion often leads to significant biological and economic consequences for cattle operations. With today’s high cattle values and the increasing cost of replacement heifers, these losses can quickly become financially devastating.  Pregnancy loss may also indicate underlying infectious disease, which can affect the entire health of a herd. For these reasons, prompt investigation…