Latest News From Diagnostics

Effective and Sustainable Deworming Through Combination Treatment  
Effective and Sustainable Deworming Through Combination Treatment  

The past few winters have thrown many curve balls at cattle producers. In addition to causing stress, these conditions are tough on cattle’s overall health, making deworming this spring even more important.    

AABP Decides to Reference Cattle Disease as Bovine Influenza A Virus (BIAV)
AABP Decides to Reference Cattle Disease as Bovine Influenza A Virus (BIAV)

The American Association of Bovine Practitioners is making the name change, as it more accurately reflects the issue.

U.S. Researchers Develop New Japanese Encephalitis Virus Diagnostic Test for Swine
U.S. Researchers Develop New Japanese Encephalitis Virus Diagnostic Test for Swine

Is the U.S. pork industry prepared for a Japanese encephalitis virus outbreak? Here's how a newly developed diagnostic test could help.

Twelve Cases of HPAI in Dairy Cattle Confirmed in Five States
Twelve Cases of HPAI in Dairy Cattle Confirmed in Five States

Livestock producers and veterinarians are urged to practice good biosecurity practices to prevent transmission of the disease. Five states have also issued restrictions on dairy cattle movement.

The Good, the Bad, and the Ugly: How to Properly Package Samples for Shipment
The Good, the Bad, and the Ugly: How to Properly Package Samples for Shipment

How well do you package samples to make sure they arrive safely and in testable condition at the diagnostic lab? Texas A&M Veterinary Medical Diagnostic Lab provides helpful directions to help you make that happen.

Know When to Cut, Know When to Run
Know When to Cut, Know When to Run

Hernias addressed in the field need to be small, and the calf needs to be young, says Amanda Hartnack, DVM, MS, DACVS. She details how to decide when in-field surgery will work and when it's best to change course.

Veterinarians are asked: What is The Best Way to Treat Cattle in the Pasture?
Veterinarians are asked: What is The Best Way to Treat Cattle in the Pasture?

A producer asked Beef Cattle Institute experts to address how to give medical care to an animal in the field. Options listed: darting, roping, trailering or walking to a facility, doing nothing. What would you choose?

Managing Mastitis Through Changing Environments
Managing Mastitis Through Changing Environments

Somatic cell count averages for 2022 were highest in the year's late fall and winter months. Below are some considerations for managing mastitis as the weather changes.

New Tool Evaluates Embryo Health 
New Tool Evaluates Embryo Health 

New animal health company, EmGenisys, has created what it says is the first non-invasive and objective method to evaluate bovine embryo health to improve the success rates of embryo transfer and in vitro fertilization. 

Dairyland Labs Offers New Manure Testing Options
Dairyland Labs Offers New Manure Testing Options

Manure analysis can provide telling insights into what nutrients actually are being digested in a ration.

How To Work With A Veterinary Diagnostic Laboratory
How To Work With A Veterinary Diagnostic Laboratory

Services provided by animal health diagnostic center veterinarians and staff help practitioners in the field improve the quality of care and treatment they provide to all farm animals, whether livestock or pets.

6 Common Teat Surgeries 
6 Common Teat Surgeries 

This article, developed by Margaret Masterson, DVM, The Ohio State University, covers surgery basics for supernumerary teats, slow milkers, teat obstructions, teat spiders, fistulas and teat lacerations.

Can We Use Technology to Screen for Sick Calves?
Can We Use Technology to Screen for Sick Calves?

By using precision technologies such as automated milk feeders and pedometers combined with machine learning, dairy producers can detect illness earlier and make informed decisions about treatment.

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Unnecessary Calving Assistance Could be Causing Metritis

Providing assistance too early during stage II labor may result in an increased risk of metritis.

 When ‘Summer Pinkeye’ Strikes
When ‘Summer Pinkeye’ Strikes

Infectious bovine keratoconjunctivitis can take a toll on cattle, especially calves. Three bovine veterinarians provide their insights on diagnosing the problem and when to use and not use antibiotics for treatment.

Bulls
50% of Bulls Fail BSEs due to Poor Sperm Morphology

Check out the photographs of nine common problems Dr. Ahmed Tibary, Washington State University, says he most often sees in the sperm of bulls that fail breeding soundness exams.

5 Practices to help Dairy Producers reduce Somatic Cell Counts
5 Practices to help Dairy Producers reduce Somatic Cell Counts

To help producers obtain a lower SCC, it is important to know what you are up against in the herd and how to treat for specific problems, says Peter Edmondson, DVM.

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Where Diagnosis and Parole Boards Meet

It has been said the act of diagnosis is the most difficult undertaking of human beings. Medical errors seem inevitable, but there are small steps we can take to address many of the contributing factors. Here are three.

Are Cow Noses the New Fingerprint to Unlocking Livestock Facial Recognition?
Are Cow Noses the New Fingerprint to Unlocking Livestock Facial Recognition?

Similar to human fingerprints, cow noses are detailed, nearly unique, difficult to change, and remain the same over the life of an individual, making them ideal long-term markers of identity.

Post-Mortem reveals Toe Tip Necrosis Syndrome
Post-Mortem reveals Toe Tip Necrosis Syndrome

The prevailing hypothesis is that P3 necrosis begins with damage to the hoof’s white line following excessive toe-tip wear after transportation, or handling events on abrasive flooring like concrete or gravel.

Mentorship Matters
Mentorship Matters

Mentoring by experienced practitioners provides a framework for success by helping young veterinarians practice better medicine, develop relationships with clients and deal with hardships inherent in the business.

Stay on Top of Neonatal Calf Dehydration
Stay on Top of Neonatal Calf Dehydration

Calves with a hydration status of less than 8% dehydrated and relatively normal mentation can be treated with oral fluid therapy. With severe dehydration – generally above 8% – you likely need to provide IV therapy.

Tips And Techniques For Post-Mortems
Tips And Techniques For Post-Mortems

Bovine veterinarians share some of their best practices, ideas and recommendations for conducting in-field necropsies effectively and efficiently.

Post Mortem Question: What is the diagnosis for this steer found dead at 85 days on feed?
Post Mortem Question: What is the diagnosis for this steer found dead at 85 days on feed?

Answer: The Feedlot Health Management Services team diagnosed this case as right-sided congestive heart failure, an acquired cattle disease resulting from chronic alveolar hypoxia and subsequent pulmonary hypertension.

Veterinarians Address Rising Mortality Levels In Dairy Herds
Veterinarians Address Rising Mortality Levels In Dairy Herds

Since the early 2000s, death losses have topped up to 15%, averaging 6% to 8% on many U.S. dairies.

Resources and Resiliency Highlighted During AABP Recent Veterinary Graduate Conference
Resources and Resiliency Highlighted During AABP Recent Veterinary Graduate Conference

Presentations during the event focused on diagnostic tools that recent graduates could take home and put right into practice.

Identify ‘Dud’ Bulls With A Breeding Soundness Exam. Best Practices Webinar Slated
Identify ‘Dud’ Bulls With A Breeding Soundness Exam. Best Practices Webinar Slated

Join DVMs Bob Larson and Jennifer Koziol at 7 pm Central, March 9, for a free, one-hour webinar on best practices for breeding soundness exams. This program has been submitted for 1 hour of CEC, approval pending.

Dr. Garrett Oetzel from the School of Veterinary Medicine, University of Wisconsin-Madison, checks blood BHBA concentrations using a hand-held meter in a fresh pen.
Knock Out Ketosis

The most common metabolic disease in U.S. dairy cows is ketosis. Research shows one case costs a producer an average of $298.

This stocker calf is infected with biting lice.
Lice: A Wintertime Threat

There are two main families of lice: biting (or chewing) and sucking lice. Biting lice feed on skin and skin secretions, while sucking lice have a long, piercing mouthpiece that allows them to draw and feed on blood.

BT_Angus_Bull
Common Reasons Younger And Older Bulls Fail A Soundness Exam

Bulls should be thoroughly evaluated before each breeding season.

young calf
Practical Fluid Therapy Options For Neonatal Calves

Bovine veterinarian Andrea Lear says the therapy she chooses is based on the animal's age, degree of dehydration present as well as her clinical assessment.

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Breeding Soundness Exams Are Useful For Evaluating Bulls Of Any Age

Bulls should be thoroughly evaluated before each breeding season, regardless of their age.

Veterinarians Raise The Bar For Bull Breeding Soundness Exams
Veterinarians Raise The Bar For Bull Breeding Soundness Exams

If you're looking to improve upon your assessments, treat semen evaluation as a diagnostic tool, then look at management, environment, and genetics to help improve overall bull, herd, and industry cattle fertility.

Technology In The Veterinary Workplace
Technology In The Veterinary Workplace: Consider The Value Of Thermal Audits

New technology in temperature detection and logging provide veterinarians an opportunity to establish consulting programs around thermal audits of their producers’ operations as well as improve animal care.

Genetic sequencing allows for the identification of the specific DNA footprint of a disease, which will allow for improved disease surveillance when illness is detected in a herd.
Genetic Sequencing Research Could Assist in Quicker Emerging Disease Detection

Genetic sequencing allows for the identification of the specific DNA footprint of a disease, which will allow for improved disease surveillance when illness is detected in a herd.

Sarah Depenbrock
Take The Guesswork Out Of ‘Bloat’ In Calves

There are many different causes of abdominal distension as well as many possible predisposing underlying factors for those causes. Four practical steps can help you figure out individual cases you find on the farm.

Why Cows Die
Why Cows Die

Here’s what you can do about it.

Post-Mortem of a Heifer on Feed
Post-Mortem of a Heifer on Feed

The images depict a heifer calf that had been on feed for 78 days, at which time it was found dead in the pen. Two other post-mortems from the same pen were found to have similar lesions.

Fig. 1. The heart image depicts serous atrophy of cardiac fat.
Post-Mortem of a Feedlot Steer

These images depict a steer calf that had been on feed for 87 days, at which time it was found dead after a period of losing weight through the winter months.

Post-Mortem of a Heifer on Feed: Answer
Post-Mortem of a Heifer on Feed: Answer

The images depict a heifer calf that had been on feed for 78 days, at which time it was found dead in the pen. Two other post-mortems from the same pen were found to have similar lesions.

Bovine Veterinarian's Post-Mortem Series
Bovine Veterinarian's Post-Mortem Series

Stay up to date with the Post-Mortem series here.

Fig. 1. The heart image depicts serous atrophy of cardiac fat.
Post-Mortem of a Feedlot Steer: Answer

These images depict a steer calf that had been on feed for 87 days, at which time it was found dead after a period of losing weight through the winter months.

Dr. Keith Poulsen
WVDL Names Dr. Keith Poulsen Director

The Wisconsin Veterinary Diagnostic Laboratory (WVDL) has a new director as of September 1, 2018.

SD Governor backs updated diagnostics lab
SD Governor backs updated diagnostics lab

South Dakota Governor Dennis Daugaard promotes public-private partnership for updating the state's Animal Disease Research and Diagnostic Laboratory.

University of Minnesota appoints Jerry Torrison as diagnostic lab director
University of Minnesota appoints Jerry Torrison as diagnostic lab director

Jerry Torrison, DVM Ph.D, has been appointed as the new director of the University of Minnesota College of Veterinary Medicine (CVM) Veterinary Diagnostic Laboratory.

Name that condition
Name that condition

For fun and education, our "Name that condition" series challenges readers to identify unusual, or perhaps not so unusual, lesions, injuries or other signs of morbidity in cattle.