EFFECT OF MANAGEMENT INTERVENTIONS ON THE HELMINTH PARASITES RECOVERED FROM DONKEYS IN SOUTH AFRICA

2002 ◽  
Vol 88 (1) ◽  
pp. 171-179 ◽  
Author(s):  
Sonja Matthee ◽  
Rosina C. Krecek ◽  
Alan J. Guthrie
2002 ◽  
Vol 88 (1) ◽  
pp. 171 ◽  
Author(s):  
Sonja Matthee ◽  
Rosina C. Krecek ◽  
Alan J. Guthrie

2017 ◽  
Vol 2017 ◽  
pp. 1-12 ◽  
Author(s):  
B. T. Mkhize ◽  
M. Mabaso ◽  
T. Mamba ◽  
C. E. Napier ◽  
Z. L. Mkhize-Kwitshana

In South Africa few studies have examined the effects of the overlap of HIV and helminth infections on nutritional status. This cross-sectional study investigated the interaction between HIV and intestinal helminths coinfection with nutritional status among KwaZulu-Natal adults. Participants were recruited from a comprehensive primary health care clinic and stratified based on their HIV, stool parasitology, IgE, and IgG4 results into four groups: the uninfected, HIV infected, helminth infected, and HIV-helminth coinfected groups. The nutritional status was assessed using body mass index, 24-hour food recall, micro-, and macronutrient biochemical markers. Univariate and multivariate multinomial probit regression models were used to assess nutritional factors associated with singly and dually infected groups using the uninfected group as a reference category. Biochemically, the HIV-helminth coinfected group was associated with a significantly higher total protein, higher percentage of transferrin saturation, and significantly lower ferritin. There was no significant association between single or dual infections with HIV and helminths with micro- and macronutrient deficiency; however general obesity and low micronutrient intake patterns, which may indicate a general predisposition to micronutrient and protein-energy deficiency, were observed and may need further investigations.


Koedoe ◽  
2013 ◽  
Vol 55 (1) ◽  
Author(s):  
Mmoto L. Masubelele ◽  
Michael T. Hoffman ◽  
William Bond ◽  
Peter Burdett

Fixed-point photo monitoring supplemented by animal census data and climate monitoring potential has never been explored as a long-term monitoring tool for studying vegetation change in the arid and semi-arid national parks of South Africa. The long-term (1988–2010), fixed-point monitoring dataset developed for the Camdeboo National Park, therefore, provides an important opportunity to do this. Using a quantitative estimate of the change in vegetation and growth form cover in 1152 fixed-point photographs, as well as series of step-point vegetation surveys at each photo monitoring site, this study documented the extent of vegetation change in the park in response to key climate drivers, such as rainfall, as well as land use drivers such as herbivory by indigenous ungulates. We demonstrated the varied response of vegetation cover within three main growth forms (grasses, dwarf shrubs [< 1 m] and tall shrubs [> 1 m]) in three different vegetation units and landforms (slopes, plains, rivers) within the Camdeboo National Park since 1988. Sites within Albany Thicket and Dwarf Shrublands showed the least change in vegetation cover, whilst Azonal vegetation and Grassy Dwarf Shrublands were more dynamic. Abiotic factors such as drought and flooding, total annual rainfall and rainfall seasonality appeared to have the greatest influence on growth form cover as assessed from the fixed-point photographs. Herbivory appeared not to have had a noticeable impact on the vegetation of the Camdeboo National Park as far as could be determined from the rather coarse approach used in this analysis and herbivore densities remained relatively low over the study duration.Conservation implications: We provided an historical assessment of the pattern of vegetation and climatic trends that can help evaluate many of South African National Parks’ biodiversity monitoring programmes, especially relating to habitat change. It will help arid parks in assessing the trajectories of vegetation in response to herbivory, climate and management interventions.


2014 ◽  
Vol 10 (3) ◽  
pp. 19-27
Author(s):  
Bethuel Sibongiseni Ngcamu

Human Resources (HR) departments in previously disadvantaged higher education institutions (HEI) in South Africa have contributed to the crisis that has led them to be governed by appointed Administrators assigned by the Ministry of Higher Education and Training. The malfunctioning of HR departments persists even in the post-Administrator’s era, with a prevalence of personal, interpersonal and operational challenges. This study aimed at interrogating challenges faced by the HR Department of the university concerned post the appointed Administrator era and its negative effects. This study adopted a qualitative research approach whereby in-depth interviews were conducted with a sample of 10 HR Department staff members. Focus group discussions were also carried out with 20 academic and non-academic university leaders. Further data was also collected through ethnographic observation and secondary data was also used. The non-probability purposive sampling was used for qualitative analysis and NVivo was used for organizing and analyzing data gleaned from the in-depth interviews. The study findings consistently revealed unclear roles and responsibilities, outmoded recruitment and selection processes and poor interpersonal relations amongst the HR department staff members as some of the challenges that still persist post the Administrator’s era, all of which have contributed to the paralysis of organizational culture. University leaders can use the study findings as a tool to devise and implement radical change management interventions aiming at re-engineering HR departments that are operating abnormally, as well as for designing a responsive HR Strategic Architect. This study will contribute to the body of knowledge in the HR fraternity as there is a dearth of published studies on the internal challenges faces by HR Departments (both interpersonal and operational), which have the potential to hamper smooth operations of higher education institutions.


Author(s):  
W.N. Minnaar ◽  
R.C. Krecek ◽  
J.I. Rajput

Biological samples were collected from dogs in resource-limited communities in the North-West and Gauteng Provinces of South Africa to assess the prevalence of helminth parasitism. These samples included adhesive tape peri-anal skin swabs and fresh faecal samples for helminth examination, and thick and thin blood films (smears) and whole-blood samples in anticoagulant for examination of filarial nematode microfilariae and haemoprotozoa. The eggs of Ancylostoma caninum, Toxocara canis, Toxascaris leonina, Dipylidium caninum and taeniids were identified. None of the blood samples and smears tested positive for microfilariae of Dirofilaria immitis or Dipetalonema spp. or for haemoprotozoa. The adhesive tape swabs were negative for cestode eggs and segments. Most of the helminth parasites identified in this study are zoonotic and consequently are regarded as a public health hazard.


2019 ◽  
Vol 94 ◽  
Author(s):  
A. Spickett ◽  
K. Junker ◽  
G. Froeschke ◽  
V. Haukisalmi ◽  
S. Matthee

Abstract Currently, descriptive information on the host range and geographic distribution of helminth parasites associated with naturally occurring rodents in South and southern Africa is scant. Therefore, we embarked on a countrywide study to: (1) identify gastrointestinal helminths and their host range, and (2) provide baseline data on the geographic distribution of helminths across the country. Altogether, 55 helminth taxa were recovered from at least 13 rodent species (n = 1030) at 26 localities across South Africa. The helminth taxa represented 25 genera (15 nematodes, nine cestodes and one acanthocephalan). Monoxenous nematodes were the most abundant and prevalent group, while the occurrence of heteroxenous nematodes and cestodes was generally lower. The study recorded several novel helminth–host associations. Single-host-species infections were common, although multiple-host-species infections by helminth species were also recorded. Monoxenous nematodes and some cestodes were recovered countrywide, whereas heteroxenous nematodes were restricted to the eastern regions of South Africa. The study highlights the as yet unexplored diversity of helminth species associated with naturally occurring rodent species and provides initial data on their geographical distribution in South Africa.


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