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Abstract

Onchocerca volvulus is a tissue-dwelling, vector-borne nematode parasite of humans and is the causative agent of onchocerciasis or river blindness. Natural infections of BALB/c mice with Litomosoides sigmodontis and of cattle with Onchocerca ochengi were used as models to study the immune responses ...

Author(s)
Manchang, T. K.; Ajonina-Ekoti, I.; Ndjonka, D.; Eisenbarth, A.; Achukwi, M. D.; Renz, A.; Brattig, N. W.; Liebau, E.; Breloer, M.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Helminthology, 2015, 89, 3, pp 375-386
Abstract

A study was conducted to assess the economic losses due to parasitic diseases of 714 556 livestock slaughtered in the municipal abattoir at Maiduguri, Nigeria, between January 1982 and December 1987. In decreasing order of economic importance, the main diseases recorded with estimates of losses...

Author(s)
Ahmed, M. I.; Nwosu, C. O.; Srivastava, G. C.
Citation
Nigerian Journal of Animal Production, 1994, 21, 1/2, pp 152-155
Abstract

In an onchocerciasis endemic area in Cameroon, 117 Zebu calves one to 24 months old, were examined in January 1993 for palpable Onchocerca ochengi nodules and microfilariae in skin snips. A highly infected bait oxen was used for the production of infective larvae through the vector Simulium...

Author(s)
Achu-Kwi; Daiber, W. H.; Renz, A.; Wahl, G.; Wanji, S.
Citation
Parasite, 1994, 1, Supplement 1, pp 10-12
Abstract

Weekly examination of skin samples from the umbilical area of 654 cattle from April 1990 to April 1992 at an abattoir in Ariège revealed an overall 55.6% infection rate. Significant age and seasonal variations were found.

Author(s)
Bevilaqua, C. M. L.; Achi, L. Y.; Dorchies, P.
Citation
Revue de Médecine Vétérinaire, 1993, 144, 2, pp 105-108
Abstract

The transmission of bovine Onchocerca spp. in the UK was investigated by studying the Ceratopogonidae and Simuliidae which attacked bait cattle between April and October at 2 sites in North Wales, where either Onchocerca lienalis and O. gutturosa (Cynwyd), or O. lienalis (Pentrefoelas) alone...

Author(s)
McCall, P. J.; Trees, A. J.
Citation
Journal of Helminthology, 1993, 67, 2, pp 123-135
Abstract

Skin samples from ear and umbilical region were collected from 297 cattle at slaughter in 1976-1991. Onchocerca gutturosa was found in 12 cattle (30%) from Puszcza Białowieska, 2 (12.5%) from Puszcza Kampinoska, 2 (5.3%) from Bory Dolnośląskie and 1 (3.2%) from Przemyśl. O. lienalis was found in 32 ...

Author(s)
Demiaszkiewicz, A. W.; Lachowicz, J.
Citation
Medycyna Weterynaryjna, 1992, 48, 2, pp 61-63
Abstract

Quantitative and qualitative differences in both the macro- and microfilariae (mff) of O. ochengi were studied in relation to age in naturally infected cattle. Autochthonous cattle at a site on the Adamawa plateau, North Cameroon, situated near a perennial Simulium damnosum s.l. breeding site, were ...

Author(s)
Trees, A. J.; Wahl, G.; Kläger, S.; Renz, A.
Citation
Parasitology, 1992, 104, 2, pp 247-252
Abstract

Umbilical hides from 536 dairy cattle in Minnesota, USA, were tested for the microfilarial stage of Onchocerca species to determine the distribution of onchocerciasis in the state. The infection was widespread as microfilariae were obtained from 214 (40%) of the animals, representing nearly all...

Author(s)
Paulson, C.; Becker, K.; DeFor, G.; Florence, J.; Oas, L.; Sandgren, P.; Struble, A.
Citation
Journal of Parasitology, 1992, 78, 5, pp 808-810
Abstract

Author(s)
Rashid, J.; Khan, T. M.
Citation
Buffalo Bulletin, 1991, 10, 3, pp 66-69
Abstract

Eighteen cows naturally infected with Onchocerca gutturosa were divided into 3 groups. Group A (n = 10) was given Ivomec (1% ivermectin) sc at 200 µg/kg bwt, group B (n = 5) was given diethylcarbamazine orally at 50 mg/kg bwt daily for 2 days, and group C served as controls. Before treatment and in ...

Author(s)
Chen, Y. D.; Ye, L. Y.; Lo, Q. Y.; Li, Z. Q.; Shi, K. C.; Zhou, S. L.; Hu, S. F.; Tan, J. S.
Citation
Chinese Journal of Veterinary Science and Technology, 1991, 21, 5, pp 25-36

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