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Category Archives: Animal Health

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Footrot in Cattle

Posted on May 11, 2021 by Dr. Jennifer Beam

Foot rot, commonly caused by bacteria called Fusobacterium necrophorum or Bacteroides melaninogenicus, is a major cause of lameness in the cattle industry.  This infectious disease can have a significant economic impact on animal health and performance.  The bacteria that cause … Continue reading →

Posted in Animal Health

Heifer Development | Part 3

Posted on April 6, 2021 by Dr. Isaac Jumper

Managing Nutrition and Body Condition A successful heifer development program produces females who will conceive early, calve without difficulty, and breed back in a timely fashion. None of these are achievable if body condition is neglected. Nutrition is an essential … Continue reading →

Posted in Animal Health, Epi Methods

Heifer Development | Part 2

Posted on March 30, 2021 by Dr. Isaac Jumper

Revisiting the Value of Reproductive Tract Scores Reproductive tract scores (RTS) are a tool available to cow-calf producers and their veterinarians that can improve herd reproductive performance and efficiency. Reproductive tract scores can often be performed simultaneously with pre-breeding vaccines, … Continue reading →

Posted in Animal Health, Epi Methods

Heifer Development | Part 1

Posted on March 23, 2021 by Dr. Isaac Jumper

The Importance of Early Conception Fertility is the single most important trait in cow-calf production. The propagation of other desired characteristics (i.e. carcass traits, phenotype, longevity, etc.) is not possible if fertility is neglected. Fertility within a herd is reflected … Continue reading →

Posted in Animal Health, Epi Methods

Benefits of Pregnancy Testing in Cow-Calf Herds | Part 2

Posted on March 16, 2021 by Dr. Isaac Jumper

Determining pregnancy status of cows has many benefits to the cow-calf producer. As discussed in the first article of this series, a primary benefit of regular pregnancy testing cows is finding open cows. In most cow-calf operations, cattle are caught … Continue reading →

Posted in Animal Health, Epi Methods

Benefits of Pregnancy Testing in Cow-Calf Herds | Part 1

Posted on March 9, 2021 by Dr. Isaac Jumper

Benefits of Pregnancy Testing in Cow-Calf Herds | Part 1 Working with a veterinarian to pregnancy test cows is a valuable tool available to cow-calf producers. For many producers, calling the vet to schedule pregnancy testing on an annual (or … Continue reading →

Posted in Animal Health, Epi Methods

Common Limb Abnormality in Calves

Posted on January 27, 2021 by Dr. Carla L. Huston

The most common limb abnormality in calves Contracted tendons are the most common limb abnormality seen in newborn calves.  They cause the legs to be flexed in position, or knuckled over and make it difficult for the newborn calf to … Continue reading →

Posted in Animal Health

Kemp’s Ridley Sea Turtles

Posted on January 19, 2021 by Dr. Hannah Urig

Kemp’s Ridley Sea Turtles In the weeks prior to the winter holiday break, Mississippi State College of Veterinary Medicine was contacted by the Institute for Marine Mammal Studies (IMMS) in Gulfport, to aid in the intake process of 20 cold-stunned … Continue reading →

Posted in Animal Health

Breaking the Cycle

Posted on January 15, 2021 by Dr. Alexis C. Thompson

 All In/ All Out Managment Systems Atrophic rhinitis is a disease in swine that developed in the US in the 1940s because of the expansion and intensification of swine production. Atrophic rhinitis is a multifactorial disease caused by toxigenic strains … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 5

Posted on November 30, 2020 by Dr. Alexis C. Thompson

Population characteristics: Prevalence Sometimes more than one diagnostic test is conducted to increase overall test sensitivity or specificity.  For example, disease eradication programs may necessitate multiple diagnostic tests to ensure that an animal is not infected or diseased (a false-negative … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 4

Posted on November 23, 2020 by Dr. Alexis C. Thompson

Disease Probability  Probability is the chance that some event will happen. With disease, probability can be thought of as out a group of individuals exposed to a disease, how many will become infected. Diagnostic tests do not always appropriately classify … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 3

Posted on November 16, 2020 by Dr. Alexis C. Thompson

Population characteristics: Prevalence Prevalence is an estimation of an individual’s risk of having a disease at a specific point in time. Apparent prevalence, or the proportion of test-positive individuals at a specific point in time, is found after performing a … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 2

Posted on November 9, 2020 by Dr. Alexis C. Thompson

Principles of Diagnostic Testing Series Part 2 – Test Characteristics: Infectious Disease Antigen and Antibody Testing Some of the most common diagnostic tests for infectious diseases detect either antigens or antibodies. An antigen is a foreign substance that elicits an … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 1

Posted on November 2, 2020 by Dr. Alexis C. Thompson

Principles of Diagnostic Testing Series Part 1 – Test Characteristics: Sensitivity and Specificity The performance characteristics of a diagnostic test influence the circumstances that the test is most useful and how the results might be interpreted. Ideally, every diagnostic test … Continue reading →

Posted in Animal Health, Epi Methods

Standing Guard against Vesicular Stomatitis

Posted on August 17, 2020 by Dr. Carla L. Huston

Livestock producers in the southeast are reminded to be vigilant in their biosecurity practices to protect against the vesicular stomatitis virus.  Just last week, the disease caused by this virus, vesicular stomatitis (VS), was diagnosed in horses in Arkansas, dangerously … Continue reading →

Posted in Animal Health, Global Health

Body Condition Score in Cattle Series | Part 10

Posted on June 22, 2020 by Dr. Isaac Jumper

Part 10: Body Conditioning Score Series: Urea as a protein supplement For most cow-calf producers, forages are the primary component of the cow’s diet, therefore supplements should only be used when they increase the nutritional value of the forage. A common form of … Continue reading →

Posted in Animal Health, Epi Methods

Body Condition Score in Cattle Series | Part 9

Posted on June 15, 2020 by Dr. Isaac Jumper

Part 9: It’s all about the microbes There are many supplements available to the cow-calf producer, and most producers utilize some sort of supplemental feeding when cattle are on a primarily forage-based diet. The choice of supplement should complement the ability of the … Continue reading →

Posted in Animal Health

Body Condition Score in Cattle Series | Part 8

Posted on June 1, 2020 by Dr. Isaac Jumper

Part 8: Body Conditioning Score Series: Consequences of poor forage Unfortunately, a lack of understanding of forage quality and beef cattle nutrient requirements by cow-calf producers often leads to poor body condition scores in their cattle, particularly in the early … Continue reading →

Posted in Animal Health

Body Condition Score in Cattle Series | Part 7

Posted on May 18, 2020 by Dr. Isaac Jumper

Part 7: Body Conditioning Score Series: Protein Management  When considering feedstuff selection and ration development, producers often base decisions heavily on protein content of the particular feed or feedstuff in question. For purposes of this article, we will define a … Continue reading →

Posted in Animal Health, Epi Methods

Body Condition Score in Cattle Series | Part 6

Posted on May 12, 2020 by Dr. Isaac Jumper

Part 6: Body Conditioning Score Series: Measuring Forage Quality The expression “You can’t manage what you can’t measure,” very accurately describes managing forage quality on cow-calf operations. Forage quality is measured through performing forage quality testing. Whether you feed dry … Continue reading →

Posted in Animal Health

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