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Now showing items 1-10 of 10
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The application of astaxanthin producing bacteria in poultry feed
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: In the food industry, the colour of the product is important to the consumer as it gives an indication of the freshness and quality of the product. Hens are not able to produce pigments and absorb pigments ... -
Biodiversity in the genus Penicillium from coastal fynbos soil
(Stellenbosch : Stellenbosch University, 2008-12)Penicillium is a well‐known cosmopolitan genus with more than 225 accepted species. Species from this diverse genus, in general, are considered to primarily be soil fungi, with decomposition as its main function. Therefore, ... -
The diversity of Trichoderma spp. in South Africa
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH SUMMARY: The genus Trichoderma includes economically important species that are routinely applied in fields such as agriculture and biotechnology. Species like T. harzianum and T. asperellum are commercially applied ... -
The effect of conventional herbicides, used for the control of alien vegetation on microbial communities within freshwater biofilms
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Freshwater streams in South Africa are heavily permeated with invasive plant species. These invasive plant species pose a major threat to native vegetations by competing for available ecosystem resources. ... -
The effect of fire scars on microbial diversity of fynbos soil
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Microbial communities (bacteria, archaea, fungi, protista and viruses) are essential for the maintenance of a healthy balance in soil ecosystems. There are many factors that influence and disrupt this ... -
How do honey bees handle their stress? A focus on their gut microbiota and immune system. (Apis mellifera subsp. capensis)
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: Gut microbial symbionts have recently been shown to play roles in ensuring overall host health, a hot topic in honey bee research. Honey bees harbour a stable, core bacterial community in the gut, suggested ... -
Isolation of potential probiotic and carotenoid producing bacteria and their application in aquaculture
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: The ocean’s fish resources are declining mainly because of irresponsible exploitation. Fish is a vital source of protein for humans and growing world populations are threatening the sustainability of ... -
Plant growth-promoting properties of fynbos rhizobia and their diversity
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Soil has a high diversity of microorganisms which differs from the bulk to the rhizosphere soil. Bulk soil often has a higher microbial diversity than the rhizosphere, whereas the rhizosphere has a higher ... -
The prevalence of Cladosporium species in indoor environments
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: Cladosporium is among the largest and most diverse genera of hyphomycetes, previously reported to include over 772 names. The olive-green to brown or sometimes black colonies are usually the easiest ... -
The search for a biological control agent to control invasive Polistes dominula wasps in the Western Cape region, South Africa
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Polistes dominula (Christ) (Hymenoptera: Vespidae: Polistinae), also known as the European paper wasp is globally notorious as a highly invasive wasp, and invaded and established itself in five continents, ...
