Abstract
Two rare clinical manifestations of coenurosis in sheep are reported. (i) A case of partial seizure disorder in a ram of 11 months old. During seizure episodes the animal lay down in lateral recumbency displaying initially a stuporous condition and subsequently began to revolve its head from the base of the cervix. At the necropsy of the case, Coenurus cerebralis cyst (young bladder worm) was found dorsally inside the brainstem, in the site of the tectum mesencephaly. (ii) The second-reported manifestation was a bacterial meningoengephalitis that was witnessed in two lambs of 6–7 weeks old. The lambs displayed lateral recumbency with seizure activity. At necropsy, meningoencephalitis with congestion and abscesses were observed in both of them. Interestingly, C. cerebralis cysts were also found in both brains. Streptococcus dysgalactiae was isolated from the abscesses. Possibly, S. dysgalactiae translocation of the blood–brain barrier was facilitated by the migration of the immature stages of C. cerebralis to and through the brain.
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