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Three calves from a herd of beef cattle were examined because of disproportionate dwarfism and excessive extension of metacarpophalangeal and metatarsophalangeal joints. Abnormalities had been noticed at birth, 1 to 6 days earlier. A thorough herd investigation revealed that 16 calves born to 70 mul...
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The author describes the effects on the prevalence of cattle trypanosomiasis of increasing cattle production in the sub-humid regions of southern Nigeria, and compares the results with infection levels in 1984 in northern Nigeria where Glossina and trypanosomiasis were being actively controlled. Inf...
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The susceptibility of a rodent-adapted strain of Trypanosoma vivax (Leeflant strain Y58) to Berenil, Samorin and Novidium was tested in mice. When infected mice were treated on the second day of detectable parasitaemia, there was complete cure with Berenil at 10 mg/kg, Novidium at 4 mg/kg and Samori...
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Newcastle disease virus was isolated from outbreaks of the disease in vaccinated and unvaccinated poultry flocks representing commercial and backyard farms in different parts of Nigeria. On characterization, all 12 isolates were found to be velogenic.
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Donkeys experimentally infected with Trypanosoma brucei showed dullness, weakness, fever, inappetence, conjunctivitis, tachycardia and polydyspnoea soon after detectable parasitaemia. The parasitaemia was generally low with transient high peaks except in the terminal stage when there was sustained h...
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An outbreak of swine pox on a pig farm in Ibadan, Nigeria is reported. Diagnosis was based on clinical and pathological signs and the observation of poxvirus particles in a serum sample. Neonatal deaths were common in the outbreak. Indigenous pigs did not show any sign of the disease even though mix...
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The patterns of humoral immune response, measured by enzyme-linked immunosorbent assay and the development of clinical signs, pulmonary lesions and mortality patterns were studied in goats experimentally infected with peste des petits ruminants virus (PPRV) or Kata virus. It was possible to classify...
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Jos virus was pathogenic to suckling mice infected by intracerebral (i.c.), intraperitoneal (i.p.), subcutaneous (s.c.), and oral (per os) routes. However, consistent fatality was only obtained in adult mice infected intracerebrally. Suckling mice inoculated by the i.c. route developed viraemia with...
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Reproductive disorders are frequently seen in human beings and in animals infected with tsetse-transmitted (African)trypanosomiasis. The disorders include irregular menstrual (or oestrus) cycle, infertility, abortion and impotence. Intrauterine infections occasionally occur, resulting in still birth...
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Between 20 and 22 June 1974, three captive carnivores (two genets, Genetta sp. and one caracal, Felis caracal) died suddenly in the University of Ibadan Zoological Garden without previous signs of illness. Bacillus anthracis was isolated from their blood and tissues. The organism was highly pathogen...
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A massive growth in the lower jaw of an Indian python (Python molurus) was diagnosed from biopsy samples as a fibroma. Moderately satisfactory treatment was achieved by surgical excision.
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Rams inoculated intravenously with Trypanosoma brucei developed scrotal oedema and a nonsuppurative granulomatous periorchitis resulting in testicular degeneration, atrophy, calcification and sclerosis. The tunica vaginalis was the seat of an intense granulomatous inflammation and focal necrosis, wh...
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A Bitis gabonica which died in the University of Ibadan Zoo, Nigeria, was found to have severe degenerative and inflammatory lesions of the respiratory epithelium with consequent excessive production of mucus, infiltration by inflammatory cells and accumulation of exudate in the alveolar and infundi...