Mycoplasma

Advice for dealing with Mycoplasma

Mycoplasma bovis is a common problem in calves, contributing to pneumonia, the classic ear infections with dropped ears, and joint infections. Whenever a herd has cows diagnosed with Mycoplasma, the calves are considered to be at-risk too.

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MANAGING MYCOPLASMA BOVIS, SALMONELLA, AND BOVINE RESPIRATORY DISEASE IN FEEDLOT HOLSTEIN STEERS

A lot of the questions coming over the phone these days are about prevention and therapy of Mycoplasma bovis infections. They are typically in three contexts…

  • multiple sites of arthritis following a respiratory outbreak,
  • ear infections (usually in small calves), and…
  • isolation of M. bovis from respiratory mortalities.

 

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Respiratory Disease of the Bovine Neonate

Respiratory disease is a constant challenge for dairy replacement heifer rearing systems, and is responsible for 21.3% of mortality in preweaned calves and 50.4% of deaths in weaned heifers.1 There are many negative long-term consequences for survivors of subclinical, clinical, and chronic calf pneumonia including poor growth, reproductive performance, milk production, and longevity.2–4 These calves also become sources of infection for other calves, and can cause outbreaks after weaning in group pens.5 Contamination of the environment with bacterial and viral pathogens is the obvio

Bovine Respiratory Disease

Informative Bovine Respiratory Disease video covering how the infection spreads and treatment benefits of RESFLOR GOLD.

Mycoplasma otitis in California calves

Abstract.

A retrospective study of Mycoplasma otitis in California calves submitted for necropsy between 1993 and 2002 was conducted to characterize the demographic features of the disease and the pathologic findings associated with infection. Sixty-one confirmed cases of Mycoplasma otitis were identified among 20,525 necropsied cattle. All affected animals were calves, ranging in age from 2 weeks to 4 months and with a median age of 1.5 months. Ninety-two percent of the cases were dairy breeds.

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Mycoplasma in Beef Cattle

Mycoplasma is a tiny bacterium that has a long history of causing disease in the cattle industry. Beginning in the early 2000s, it has emerged as an important entity in Virginia.

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Mycoplasma Infections

Mycoplasmas cause respiratory, joint, and ear infections in beef cattle. Mycoplasma mastitis is a common condition in dairy cattle. Mycoplasmas are tiny bacteria that are unique in their makeup; they do not contain a cell wall, they require cholesterol for growth, and because they lack a cell wall and the lipid (cholesterol), they are poor antigens making immunization extremely difficult.

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