Common BMCF disease among cattle sheep

Common BMCF disease among cattle and sheep

BMCF disease, common to cattle and sheep, is a nightmare for traditional ranchers

Bovine malignant catarrhal fever (BMCF) is a deadly lymphoproliferative disease. This viral disease has become one of the nightmares of traditional ranchers

The disease is most common in places where reservoir hosts (sheep) and susceptible hosts (cattle) are kept close together. Our strong advice is to avoid keeping sheep and cows in one place

Although the prevalence of this disease in cows is usually solitary, the prevalence of this infection has been reported to be close to 40% in herds. The reason for this high prevalence is still unknown. Also, the treatment of this disease is not successful at all

So far, 2 common forms of this disease have been observed
The form of head and eye that produces a recurrent disease
The digestive form (Alimentary) that produces the epidemic of this disease
Importantly, neither of these two strains listed in the main host (sheep) will produce disease if the cows are severely infected

BMCF Virus transmission

Transmission of the virus depends on when nasal secretions leak out, which usually occurs during the breeding season.
Nasal secretions from infected sheep or cows may enter water and food sources, and transmission to other animals is often by swallowing and eating droplets and particles released into the air and food.

Clinical signs of BMCF virus

After the arrival of the virus and the onset of clinical symptoms, the following can be mentioned

Penn Ophthalmitis,
Protrusion of the eye socket
Corneal ulcers are more common in cattle

Then there is swelling of the conjunctiva and eye pain and inability to see and sores in the eye that gradually increase the number of these sores and other sores appear in the gums, roof of the palate and behind the teeth.

Scratches form near teeth, tissues and eyelashes become necrotic, like bovine plague, and blue tongue-like symptoms appear in parts of Africa.

Scaly lesions then appear in the anterior region of the nasal cavity and the pre-abdominal lymph nodes become swollen.

Swollen spots with exudative and watery discharge form on the skin, and at this stage skin lesions appear in both domestic and wild animals and symptoms similar to snow fever.

The stool is black and tarry but not thrown

In the later stages of the disease, neurological symptoms appear and the animal becomes paralyzed, which rotates around itself, presses its head to the ground and around, has a seizure, and eventually the animal will die.

Common BMCF disease among cattle sheep


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