Affiner votre recherche
Résultats 1-10 de 263
Selenium toxicosis with focal symmetrical poliomyelomalacia in postweaning pigs in South Africa.
1996
Penrith M. L. | Robinson J.T.R.
#Cryptosporidium# genotypes in children and calves living at the wildlife- livestock interface of the Kruger National Park, South Africa
2016
Abu Samra N. | Jori F. | Caccio S.M. | Frean J. | Poonsamy B. | Thompson P.
Cryptosporidium infection is one of the most common causes of parasitic diarrhoea worldwide in cattle and humans. In developing countries, human cryptosporidiosis is most prevalent during early childhood and links between zoonotic infection and animal related activities have been demonstrated. This study investigated the prevalence and species/genotype distribution of Cryptosporidium among children (< 5 years) and calves (< 6 months) living in a rural farming area adjacent to the Kruger National Park in South Africa, where interactions between humans and wild and domestic animals are known to occur. Cryptosporidium oocysts were detected in 8/143 stool samples of children recruited within the hospital system (5.6%; 95% CI 2.4%, 10.7%) and in 2/352 faecal samples of calves (0.6%; 95% CI 0.1%, 2.0%) using the modified Ziehl–Neelsen (MZN) staining technique. Microscopy positive samples from children were further analysed by PCR targeting the 18S rRNA gene and identified as Cryptosporidium hominis (3/4) and Cryptosporidium meleagridis (1/4). Regardless of the microscopy outcome, randomly selected samples (n = 36) from calves 0–4 months of age were amplified and sequenced at the 18S rRNA gene using nested PCR. Two calves tested positive (5.6%; 95% CI 1.7%, 18.7%), and revealed the presence of Cryptosporidium parvum and Cryptosporidium bovis. The detection of only two zoonotic species (C. parvum in one calf and C. meleagridis in one child) suggests that zoonotic cryptosporidiosis is not currently widespread in our study area; however, the potential exists for amplification of transmission in an immunocompromised population. (Résumé d'auteur)
Afficher plus [+] Moins [-]Acaricide efficiency of amitraz/cypermethrin and abamectin pour-on preparations in game
2005
Van der Merwe, J.S. | Smit, F.J. | Durand, A.M. | Kruger, L.P. | Michael, L.M.
Psittacine beak and feather disease virus in budgerigars and ring-neck parakeets in South Africa
2004
Albertyn, J. | Tajbhai, K.M. | Bragg, R.R. (Free State Univ., Bloemfontein (South Africa). Microbial, Biochemical and Food Biotechnology Dept.)
A laboratory comparison of the life cycles of the dog ticks Haemaphysalis leachi and Rhipicephalus sanguineus
2004
Jacobs, P.A.H. | Fourie, L.J. | Horak, I.G. (Free State Univ., Bloemfontein (South Africa). Zoology and Entomology Dept.)
Effect of diminazene block treatment on live redwater vaccine reactions
2004
Combrink, M.P. | Troskie, P.C. (Agricultural Research Council, Onderstepoort (South Africa). Onderstepoort Veterinary Inst.)
The testing and modification of a commercially available transport medium for the transportation of pure cultures of Haemophilus paragallinarum for serotyping
2004
Bragg, R.R. | Jansen van Rensburg, P. | Van Heerden, E. | Albertyn, J. (Free State Univ., Bloemfontein (South Africa). Microbial, Biochemical and Food Biotechnology Dept.)
Studies on the genus Setaria Viborg, 1795 in South Africa. III. Setaria thwaitei Monnig, 1933
2004
Watermeyer, R. | Boomker, J. (Pretoria Univ. (South Africa). Veterinary Tropical Diseases) | Putterill, J.F.
Evaluation of isometamidium levels in the serum of sheep and goats after prophylactic treatment against trypanosomosis
2004
Wesongah, J.O. | Murilla, G.A. | Kibugu, J.K. (Kenya Trypanosomiasis Research Inst., Kikuyu (Kenya)) | Jones, T.W.
