12/14/2023 0 Comments Ephemeral synonymsWhile some cattle might still develop mild disease after vaccination, the severity and duration of illness tends to be much lower than in unvaccinated cattle. A 2-part vaccine - freeze-dried vaccine with chilled liquid adjuvant - that must be mixed prior to administering, it provides good levels of protection against BEF. There is a modified live vaccine for BEF that provides long-lasting protection. Lesions in the lungs may be present in severe cases. Post-mortem examination can either show small amounts of fibrin-rich fluid, or occasionally, an excess of pinkish to blood stained fluid in the heart sac, chest and abdominal cavities, and joint capsules. Post-mortem examination is important to rule out other acute febrile diseases that often occur under the same conditions, such as tick fever. Some animals remain down due to muscle damage or damage to the spinal cord from constant struggling. Animals may go down, with heavy animals in good condition being most affected. Lameness may shift between limbs and joints may be visibly swollen.ĭuring recovery, most affected animals resume eating and drinking. Some secondary bloat may occur due to general inflammation of the abdominal cavity and ruminal stasis. The second stage is muscular stiffness and lameness in 1 or more limbs.
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