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Diseases & Diagnoses

Texas A&M Veterinary Medical Diagnostic Laboratorypodcasters.spotify.com
Diseases & Diagnoses is a podcast by the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL). Each episode explores a different disease or condition and the testing options available to practitioners and animal owners. TVMDL Veterinary Services Section Head Dr. Brandon Dominguez introduces you to the agency’s subject matter experts and leads conversations on how you, the listener, can get the most out of your diagnostic testing experience.
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Episodes

Equine Rhinitis – An overlooked cause of respiratory illness

Equine Rhinitis Viruses A and B can present like many other respiratory illnesses. Testing is the only way to rule these viruses out, but that process brings a new set of questions. In this episode, Dr. Brandon Dominguez and Dr. Semira Mancill discuss both viruses and TVMDL's testing options with the agency's assistant agency director for microbiology, Dr. Erika Schwarz.

Sep 02, 20257 min

Sample Submission – Making the most of your submission

Sample submission is arguably the most important step of the testing process. If specimens aren't submitted properly testing may be yield valuable results, if any. In this episode, Dr. Brandon Dominguez and Dr. Michael Piccione sit down with Dr. Ashley Arnold, client services section head, to discuss to the submission process and how clients can mitigate potential issues.

Aug 19, 202522 min

Bone Biopsy – Be nice to your tissue and it will be nice to you

Biopsies are incredibly useful diagnostic tools. Small sections of tissue can offer a host of critical health information, however, it's important biopsies are collected and submitted properly to ensure they are useful. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Dr. Randi Gold, one of TVMDL's pathologists, to cover tips and tricks for getting the most information out of bone biopsy submissions.

Aug 05, 202518 min

Coccidiomycosis – How to get through the "valley" and tackle this infection with diagnostics

Coccidioidomycosis, also known as Valley Fever, is a fungal infection. The infection is acquired through inhalation of airborne arthrospores from disturbed soil. Once inhaled, the spores transform into spherules within the host's lungs, leading to a localized or disseminated infection. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell sit down with Kalyn Green, assistant section head for serology, to cover clinical signs, diagnostics, and result interpretation.

Jul 15, 202510 min

Blue Green Algae – Don't trust a scummy body of water

Texas summers offer the ideal ingredients for cyanobacteria algal blooms, otherwise known as blue-green algae. Despite the vibrant colors, these blooms can lead to devastating health effects in animals, if the toxins are ingested. In this episode, Dr. Brandon Dominguez and Dr. Michael Piccione sit down with Chase Gwinner, one of the analytical chemistry section's scientists charged with identifying blue-green algae for clients.

Jul 01, 20258 min

Rabies – How to rapidly resolve rapid situations

Rabies is an incredibly contagious and dangerous virus. Once clinical signs appear, the disease is almost always fatal. However, there are preventative strategies that can mitigate effects and improve outcomes. TVMDL doesn't test for rabies, but we can assist in sample collection. In this episode, Dr. Brandon Dominguez and Dr. Semira Mancill sit down with Lauren Roese, necropsy laboratory supervisor, to cover the disease, the importance and preventative vaccinations, and the testing procedure fo...

Jun 17, 20257 min

Feline Respiratory Disease – Be proactive to prevent spread

Respiratory diseases in cats can be caused by viruses, bacteria, fungi, or parasites. Understanding the causative agents is essential because it not only guides diagnostic testing but also informs the treatment plan. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Dr. Megan Schroeder, molecular diagnostics assistant section head, to discuss the causes of respiratory disease in cats and the TVMDL testing options practitioners may consider to get ahead of the spread....

Jun 03, 20259 min

Mastitis – Mitigating the risk

Mastitis is often associated with dairy cattle, however, all lactating animals are susceptible to infection. It can present in a clinical or subclinical form with signs ranging from a noticeably inflammed udder to a simple increase in somatic cells in milk. In this episode, Dr. Brandon Dominguez and Dr. Terry Hensley sit down with Bacteriology Section Head Dr. Narayan Paul to discuss how infection can occur and present and TVMDL's testing options.

May 20, 202520 min

Small Animal Pyoderma – An itchy situation with several testing options

Pyoderma is essentially a bacterial skin infection, and it's one of the most common skin conditions seen in dogs. Pyoderma is typically caused by Staphylococcus pseudintermedius in dogs, though other bacterial species can also be involved. The key symptoms include redness, pustules, crusting, hair loss, and, of course, a lot of itching. In this episode, Dr. Brandon Dominguez, Dr. Cathy Campbell, and TVMDL's newest veterinary diagnostician Dr. Michael Piccione cover some of the causes of pyoderma...

May 06, 202512 min

Canine Parvovirus – Mitigating a canine crisis

It seems like almost everyone in veterinary medicine has a horror story regarding canine parvovirus – and rightfully so considering it's highly infectious nature. Early detection is key in mitigating it's effects, but how is the testing performed? In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell discuss the virus and TVMDL's testing options with Devin Burns, laboratory coordinator in the College Station lab's virology section.

Apr 15, 202513 min

Electrolytes and Macrominerals – Sample handling and testing to get the full picture

Electrolytes and macrominerals are vital to several physiological processes and bodily functions. Oftentimes imbalances can lead to severe health complications in both pets and livestock. In this episode, Dr. Brandon Dominguez and Dr. Semira Mancill chat with Megan Cramer, one of the laboratory coordinators in the College Station lab's clinical pathology section, to discuss sample handling and testing that practitioners should consider when faced with potential imbalances.

Apr 01, 20259 min

Feline Urinary Disorders – Common disorders and how to test for them

Feline urinary disorders can be caused by a variety of physical and environmental factors. Whether it be an infection or a urinary stone causing a cat pain or discomfort, TVMDL likely has a test that can assist practitioners. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Emma Jones, a clinical pathology technician in College Station, to discuss some of the more common urinary disorders in cats and the testing options at TVMDL.

Mar 18, 202510 min

Clostridial Diseases in Cattle – Utilizing diagnostics before bacteria get a foothold

Clostridial diseases are caused by bacteria in the Clostridium genus. These organisms are naturally present in the environment and the gastrointestinal tracts of animals. However, they can cause disease when they overgrow or release potent toxins, often triggered by trauma, tissue damage, or changes in the gut environment. In this episode, Dr. Brandon Dominguez chats with TVMDL Veterinary Diagnostician Dr. Cathy Campbell and Bacteriology Supervisor Kelsey Bond to discuss tests and timing that mi...

Mar 04, 202513 min

Leptospirosis – Don't underestimate this persistent pathogen

Leptospirosis is caused by bacteria of the genus Leptospira. These spiral-shaped bacteria thrive in warm, moist environments and are shed in the urine of infected animals. Leptospirosis also has zoonotic potential and should be considered a public health concern. In this episode, Dr. Brandon Dominguez sits down with Dr. Cathy Campbell and Serology Laboratory Supervisor Brittany Cline to discuss the disease, testing options, and why practitioners and animal owners should be aware of this persiste...

Feb 18, 202514 minSeason 2Ep. 18

Malignant Catarrhal Fever – Prevent and manage outbreaks by understanding the details

Malignant Catarrhal Fever (MCF) is a viral disease caused by a group of gammaherpesviruses. It primarily affects cattle, deer, bison, and other ruminants, often with severe outcomes. Adding to the severity, many of the carrier species don't show symptoms of the disease. In this episode, Dr. Brandon Dominguez and Dr. Terry Hensley discuss testing options and disease details with Dr. Gabe Gomez, assistant agency director for pathology.

Feb 04, 202514 minSeason 2Ep. 17

Q fever – Balancing the risks and considerations for testing

Coxiella burnetti, otherwise known as Q fever, is a highly contagious zoonotic concern for both animals and humans. Testing is important, but its crucial sample collection, shipping, and testing be performed with the bacterium's risks in mind. In this episode, Dr. Brandon Dominguez chats with Molecular Diagnostics Assistant Section Head Dr. Megan Schroeder and Assistant Agency Director Dr. Terry Hensley to cover testing considerations and best practices.

Jan 21, 202512 minSeason 2Ep. 16

Toxoplasmosis – Diagnostic tools for practitioners

Testing for toxoplamosis can be puzzling. Often, the parasite that causes toxoplamosis, toxoplasma gondii, is associated with felines, however, all warm blooded animals are susceptible to infection. TVMDL offers serology and molecular testing options, each of which are useful depending on the case circumstances. In this episode, Dr. Brandon Dominguez chats with Dr. Cathy Campbell and serology technician Elexus Hargis to discuss testing options and details of the disease.

Jan 07, 202511 minSeason 2Ep. 15

Cytology - Keeping your cells in focus

Cytology testing can offer immediate information that can be used to make quick decisions. However, as with all tools, it's how it's used that makes all the difference. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with TVMDL's assistant agency director for clinical pathology, Dr. Julie Piccione, to discuss how practitioners can get the most value from their cytology submissions.

Dec 17, 202412 minSeason 2Ep. 14

Strangles - Get a chokehold on horse health through testing

Strangles is a highly infectious bacterial disease in horses. Due to its ability to spread quickly, early detection is key. In this episode, Dr. Brandon Dominguez sits down with TVMDL's newest veterinary diagnostician, Dr. Semira Mancill, and one of TVMDL's scientists in the research and development section, Dr. Ellen Ruth Alexander Morris, to talk testing options.

Dec 02, 20248 minSeason 2Ep. 13

Necropsy – Make your cuts count

Necropsies can serve as valuable tools in the overall diagnostic process. However, to get the most out information out of necropsy examinations, it's critical the correct samples are collected to ensure all primary and ancillary tests can be performed. In this episode, Dr. Brandon Dominguez and Dr. Alexis Thompson sit down with Dr. Katie Kleinhenz, Canyon's veterinary pathologist, the discuss the types of samples often collected and best practices clients should keep in mind for both field and l...

Nov 19, 202427 minSeason 2Ep. 12

Export Testing – Navigating rules and regulations

From the protocols to the paperwork, exporting animals to other countries can be tedious. One of the more complex tasks of the process is ensuring animals meet the health requirements of their intended country. In this episode, Dr. Brandon Dominguez and Dr. Terry Hensley chat with Kalyn Green, assistant section head for serology, to discuss commonly requested export tests, regulations, and the best practices clients should keep in mind to ensure animals make a quick and health trip abroad....

Nov 05, 202413 minSeason 2Ep. 11

Canine Respiratory Disease – Identifying, testing, and preventing outbreaks

Holiday pet boarding is just around the corner. As we get closer to this time of year, it's crucial pet owners and boarders be aware of the contagious nature of Canine Respiratory Disease. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell speak with Dr. Megan Schroeder, molecular diagnostics assistant section head, to discuss the different pathogen that make up the disease complex and the testing options available.

Oct 15, 20249 minSeason 2Ep. 10

Nitrates – Understanding the risks and diagnostics

Nitrate poisoning is a common, yet sometimes overlooked threat in cattle. In this episode, Dr. Brandon Dominguez and Dr. Alexis Thompson chat with Dr. Travis Mays, analytical chemistry section head, to discuss how nitrates affect animal health, the signs producers should look for, diagnostic testing options, and key preventative measures.

Oct 01, 202411 minSeason 2Ep. 9

Therapeutic Drug Monitoring – Evaluating the difference between an effective dose and a toxic dose

Therapeutic drug monitoring (TDM) is a critical tool in optimizing dosing for cats and dogs. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Dr. Travis Mays to discuss the science behind TDM, including how it ensures efficacy while minimizing side effects, and why it's particularly crucial for pets with chronic conditions or those on long-term medication.

Sep 17, 20249 minSeason 4Ep. 8

Equine GI Parasites – Testing that counts

Over the past decade or so, recommendations for equine parasite control have been successful in mitigating the effects of large strongyles. However, a new class of parasites have started to rear their heads. In this episode, Dr. Brandon Dominguez and Dr. Terry Hensley sit down with Mindy Borst, assistant section head for clinical pathology, to discuss testing options and how practitioners can get the most practical diagnostic information to keep parasites at bay.

Sep 03, 202415 minSeason 2Ep. 7

Chagas Disease – Preventing the deadly kiss

Chagas disease is caused by an infection of a protozoa called Trypanosoma cruzi . The protozoa is spread by triatomine insects, better known as "kissing bugs". In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Carlos Rodriguez, epidemiology and informatics manager, about the disease, TVMDL's testing options, and some of the data behind serology tests.

Aug 19, 202412 minSeason 2Ep. 6

Bovine Respiratory Disease – Breathe easy thanks to timely PCR testing

Bovine Respiratory Disease (BRD) is a leading cause of economic losses in the cattle industry. The disease is considered a complex, as multiple viral and bacterial pathogens, environmental conditions, and the overall health and stress of cattle influence the infection. Among other methods, TVMDL utilizes PCR testing to assist practitioners and producers detect BRD. In this episode, Dr. Brandon Dominguez and Dr. Alexis Thompson sit down with Aubrey Brasher, a molecular diagnostics technician at T...

Aug 06, 20249 minSeason 2Ep. 5

Canine Brucellosis – Prepping for positive travel plans with negative results

Summer is filled with international travel. For those who choose to bring pets along for the ride, this means testing to meet import/export requirements. Most countries require a canine brucellosis test for entry. It's critical samples are submitted with ample time for testing to ensure pending results don't put a halt to a travel itinerary. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Serology Section Head Dr. Melanie Landis to cover the basics of canine brucellosis t...

Jul 16, 202419 minSeason 2Ep. 4

Caseous Lymphadenitis – Guarding small ruminants one culture at a time

Caseous lymphadenitis, otherwise known as "cheesy gland" is a bacteria mostly affecting small ruminants. Most often it's spread through tagging, shearing, or other skin injuries. The bacteria causes abscesses with thick, cheese-like pus in the skin, lymph nodes and the internal organs. In this episode, Dr. Brandon Dominguez and Dr. Alexis Thompson sit down with Bacteriology Section Head Dr. Narayan Paul to discuss the bacteria and how producers can submit samples for testing.

Jul 02, 202410 minSeason 2Ep. 3

Small Animal Parasites – Coupling in-clinic methods with laboratory experience

Many clinics have the methods and expertise to detect common small animal parasites, such as heartworms. But, what about those random one offs you don't see regularly in clinic? That's where TVMDL's experience can be an extension to your clinic's parasite detection methods. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Clinical Pathology Assistant Section Head Mindy Borst to cover how TVMDL's diverse experience in parasite identification can assist small animal practiti...

Jun 18, 202413 minSeason 2Ep. 2
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