clinical significance of aero-allergen identification in the western cape. | positive identification and documentation of the seasonal variation of aero-allergens and the immune responses to them has important implications for the timing of allergen avoidance measures and the selection of patients suitable for immunotherapy. the relative abundance of aero-allergens in the cape peninsula during 1984-1987 was measured by continuous volumetric air sampling, using a burkard spore trap. mould spore counts of greater than 3,000 spores/m3 were found throughout the year and were ... | 1991 | 1989093 |
serological and cultural evidence of leptospirae in cape town dogs. | | 1965 | 5853121 |
haemodynamic studies in canine hearts following total mitral valve replacement with the university of cape town prosthesis. | | 1967 | 6051092 |
further studies on the month-of-birth effect on body size: rural schoolchildren and an animal model. | a previous study (henneberg and louw: am. j. hum. biol. 2:227-233, 1990) showed that urban schoolchildren born between august and january were taller and heavier by 13 to 17% of the standard deviation (s) than those born in february to july. the study is now extended to 1,522 impoverished rural schoolchildren from the little karoo district of s. africa and to 804 german shepherd dogs kennelled at a breeding station in the transvaal. the dogs provided a quasi-experimental model because for all of ... | 1993 | 8317564 |
death of a dog attributed to the cyanobacterial (blue-green algal) hepatotoxin nodularin in south africa. | a bull terrier died after drinking water at the margin of zeekoevlei near cape town. at the time, zeekoevlei, a hypertrophic coastal lake, contained a bloom of the cyanobacteria nodularia spumigena and microcystis aeruginosa. the circumstances of the incident, clinical signs of poisoning and histopathology, which mainly revealed extensive liver damage, were consistent with cyanobacterial poisoning. the cyanobacterial bloom material contained 3.47 micrograms mg-1 dry weight of the pentapeptide he ... | 1995 | 8691419 |
survey of canine babesiosis in south africa. | a questionnaire, designed to obtain qualitative information on a number of variables concerning canine babesiosis (biliary fever) in south africa, was sent to 510 veterinary practices in late 1993. of the 157 practices that responded, all were presented with cases of babesiosis and most were situated in gauteng, the western cape and kwazulu-natal. apart from the western cape, a winter-rainfall region, the prevalence of babesiosis cases in dogs was highest in summer. most of the respondent practi ... | 2000 | 11205168 |
hosts, seasonal occurrence and life cycle of rhipicentor nuttalli (acari: ixodidae). | there are only two species worldwide within the genus rhipicentor, namely rhipicentor bicornis and rhipicentor nuttalli and both occur only in africa. rhipicentor nuttali has a widespread distribution in south africa and the present investigation was initiated to elucidate its host preference, seasonality and life cycle. rock elephant shrews, elephantulus myurus were examined for ticks at four localities in the free state province, one in gauteng province and two in limpopo province, south afric ... | 2002 | 12356163 |
parasites of domestic and wild animals in south africa. xliii. ixodid ticks of domestic dogs and cats in the western cape province. | ticks were collected at monthly intervals for 16 consecutive months from individual dogs by their owners in or close to the town of stellenbosch, western cape province. they were also collected for 27 consecutive months from dogs presented for a variety of reasons at three veterinary clinics in stellenbosch, and from dogs upon admission to an animal welfare shelter. at one of the veterinary clinics ticks were also collected from cats. dog owners collected six ixodid species from their pets and t ... | 2003 | 14621314 |
the diagnosis and management of snakebite in dogs--a southern african perspective. | cases of snakebite envenomation are frequently presented to veterinary practitioners in southern africa. despite this, no published guidelines exist on how this medical emergency should be managed. southern african snake venoms can be classified into 3 main types based on the main mechanism of venom action and clinical presentation. a polyvalent antivenom is manufactured in south africa and contains antibodies against the most important southern african snake venoms. the cytotoxic venoms are rep ... | 2004 | 15214688 |
dog bite injuries in children--a review of data from a south african paediatric trauma unit. | dog bites are a major cause of preventable traumatic injury in the paediatric population. we aimed to determine the epidemiology of dog bite injuries in a group of south african children with a view to developing potential preventive strategies. | 2007 | 17952217 |
seroprevalence of toxoplasmosis in sheep in south africa. | serum samples from 600 sheep were collected from 5 different provinces randomly chosen in south africa. two sheep abattoirs (representing formal slaughter of sheep) and 1 rural location (representing informal slaughter of sheep) per province were also selected randomly. the serum samples were tested for anti-toxoplasma gondii igg antibodies using 2 different serological tests: an indirect fluorescent antibody (ifa) test and an enzyme-linked immunosorbent assay (elisa) test available as a commerc ... | 2007 | 18237032 |
molecular detection of tick-borne protozoal and ehrlichial infections in domestic dogs in south africa. | a total of 1,138 blood specimens were collected over a 6-year period (2000-2006) from domestic dogs in south africa. specimens from domestic dogs were obtained from the onderstepoort veterinary academic hospital (ovah) in pretoria, the society for the prevention of cruelty to animals (johannesburg, durban, east london and bloemfontein) and private practices from four provinces (gauteng, mpumalanga, kwazulu-natal and western cape). all specimens were screened for babesia, theileria, hepatozoon an ... | 2008 | 18502588 |
preliminary evaluation of the brema1 gene as a tool for associating babesia rossi genotypes and clinical manifestation of canine babesiosis. | babesia rossi, an intraerythrocytic protozoan, causes a severe, often life-threatening disease of domestic dogs. dogs treated early for b. rossi infection usually recover from the disease, but dogs left untreated or treated at a later stage of infection seldom survive. dogs infected with b. rossi have varied clinical manifestations that can be categorized as uncomplicated (with a good prognosis) or complicated (with a poor prognosis). one hundred twenty-one blood samples were collected from dogs ... | 2009 | 19741079 |
heart transplantation. | on december 3, 1967, christiaan barnard (1922-2002) introduced heart transplantation in humans for the first time. the journey that took him from groote schuur hospital in cape town, south africa to the university of minnesota hospitals in minneapolis and back to cape town is described through this writing. we present the seminal events forming this incredible story, starting in antiquity as the first physicians of our civilization began to consider and study the heart. the anatomy of the heart, ... | 2010 | 20232998 |
paratuberculosis in a domestic dog in south africa. | this case report shows that mycobacterium avium subsp. paratuberculosis (map) infection can cause clinical disease in domestic dogs, and should be considered as a differential diagnosis for gastrointestinal inflammatory conditions. a male dachshund presented with lethargy and pain. enlarged mesenteric lymph nodes were found on abdominal ultrasound examination. cytological examination of lymph node aspirates was consistent with granulomatous inflammation, which was culture-confirmed as map. altho ... | 2017 | 28397513 |