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Recent submissions

Research Outputs (Agriculture, Animal Health and Human Ecology): Recent submissions

Now showing items 21-40 of 53

Effect of varying dietary supplemental inclusion levels of onion and garlic on semen quality characteristics of Hubbard white breeder broiler cocks aged 35-41 weeks old

Okoro, Victor Mela Obinna; Nwokeocha, A.C.C.; Ijezie, C.O.; Mbajiorgu, Christian A.; Mbajiorgu, Ejikeme F. (2016)

An experiment was conducted to determine the effect of varying dietary supplemental inclusion levels of onion and garlic on semen quality characteristics of Hubbard white breeder broiler cocks aged 35-41 weeks old. A ...
Some physical and functional properties of finger millet (Eleusine coracana) obtained in sub-Saharan Africa

Ramashia, S.E.; Gwata, E.T.; Meddows-Taylor, S.; Anyasi, T.A.; Jideani, A.I.O. (Elsevier, 2017)

The study determined the physical properties of finger millet (FM) (Eluesine coracana) grains and the functional properties of FM flour. Physical properties such as colour attributes, sample weight, bulk density, true ...
Semen quality characteristics of Koekoek breeder cocks influenced by supplemental inclusion levels of onion and garlic mixture at 35-41 weeks of age

Okoro, Victor Mela Obinna; Mbajiorgu, Christian A.; Mbajiorgu, Ejikeme F. (Sociedade Brasileira de Zootecnia, 2016)

An experiment was conducted to determine the effect of varying dietary supplemental inclusion levels of onion and garlic mixture on semen quality characteristics of Koekoek breeder cocks aged 35-41 weeks. The experimental diets ...
The reporting of a Bacillus anthracis B-clade strain in South Africa after more than 20 years

Lekota, K. E; Hassim, A.; Rogers, P.; Dekker, E. H; Last, R.; de Klerk-Lorist, L.; van Heerden, H. (2018-05-02)

Abstract Objectives Anthrax is a disease with an age old history in Africa caused by the Gram-positive endospore forming soil bacterium Bacillus anthracis. Epizootics of wild ...
Isolation of anti-mycobacterial compounds from Curtisia dentata (Burm.f.) C.A.Sm (Curtisiaceae)

Fadipe, Victor O; Mongalo, Nkoana Ishmael; Opoku, Andy R; Dikhoba, Preachers M; Makhafola, Tshepiso Jan (2017-06-12)

Abstract Background Tuberculosis is counted amongst the most infectious and lethal illnesses worldwide and remains one of the major threats to human health. The aim of the ...
Patterns and predictors of antimicrobial resistance among Staphylococcus spp. from canine clinical cases presented at a veterinary academic hospital in South Africa

Qekwana, Daniel N; Oguttu, James W; Sithole, Fortune; Odoi, Agricola (2017-04-28)

Abstract Background Antimicrobial resistance in staphylococci, often associated with treatment failure, is increasingly reported in veterinary medicine. The aim of this study ...
Influence of environmental factors on biodegradation of quinalphos by Bacillus thuringiensis

Gangireddygari, Venkata S R; Kalva, Praveen K; Ntushelo, Khayalethu; Bangeppagari, Manjunatha; Djami Tchatchou, Arnaud; Bontha, Rajasekhar R (2017-03-06)

Abstract Background The extensive and intensive uses of organophosphorus insecticide—quinalphos in agriculture, pose a health hazard to animals, humans, and environment because ...
Antimycobacterial activity and low cytotoxicity of leaf extracts of some African Anacardiaceae tree species

Kayoka, P. N.; Eloff, Jacobus N.; Kabongo-Kayoka, Prudence N.; Obi, Chikwelu L.; McGaw, Lyndy J. (Wiley, 2016-09-13)

Treatment of tuberculosis is a challenge due to multi and extremely drug resistant strains of Mycobacterium tuberculosis. Plant species contain antimicrobial compounds that may lead to new anti-TB drugs. Previous screening ...
Development, survival, body weight and oviposition rates of Plutella xylostella (Linnaeus) (Lepidoptera: Plutellidae) when reared on seven cabbage cultivars

Nethononda, P.D.; Nofemela, R.S.; Modise D.M., / (Entomological Society of Southern Africa, 2016-03)

Plant cultivars that negatively influence fitness of target phytophagous insects can be an important component of integrated pest management when they substantially restrict population growth of the target pest. In this ...
Novel Mycobacterium avium species isolated from Black Wildebeest (Connochaetes gnou) in 5 South Africa

Kabongo, Prudence N.; Obi, C.L.; Nakajima, C.; Suzuki, Y.; Hattori, T.; Eloff, J.N.; Wright, J.; Mbelle, N.; McGaw, L.J. (Blackwell Verlag, 2015-06-25)

A study was undertaken to isolate and characterize Mycobacterium species from black wildebeest suspected of being infected with tuberculosis in South Africa. This led to the discovery of a new Mycobacterium avium species, ...
The Telperion UNISA Conservation Mentorship Project a growing success story

Wilson, Graeme A.; Wilson, Ann (Unisa, 2015-10)

In 2007, the financial support provided by Ernest Oppenheimer and Son (EOS) for formal basic education activities on Telperion was re-directed towards supporting undergraduate National Diploma in Nature Conservation ...
A short note on the biogeography of the rarely observed Seychelles butterflies

Lawrence, James M. (Phelsuma, 2015)

Biogeography of the rarely observed Seychelles butterflies.
Rediscovery of the threatened Stoffberg Widow butterfly, Dingana fraterna: The value of citizen scientists for African conservation

Lawrence, James M. (Springer, 2015)

The Stoffberg Widow, Dingana fraterna (Lepidoptera: Satyrinae), was only known from a single highly localised population near Stoffberg, South Africa. This butterfly is univoltine, with historical records indicating that ...
First record of Euchloron megaera (Linnaeus, 1758) (Sphingidae) from Seychelles

Lawrence, James M. (2015)
Predicting water quality associated with land cover change in the Grootdraai Dam catchment, South Africa

du Plessis, Anja; Harmse, T; Ahmed, F (Taylor & Francis - Water International, 2015)

The Grootdraai Dam catchment forms part of the Vaal River system, which is deemed to be the ‘workhorse’ of South Africa as it is located within the economic heart of the country. The status of water quality within the ...
Growth of Pelargonium sidoides DC. in response to water and nitrogen level

Mofokeng, M.M.; Steyn, J.M.; du Plooy, C.P.; Prinsloo, G (2015)

Water stress is the most limiting factor in agricultural productivity in arid and semi-arid regions and causes very high losses in crop yield. Regulation of growth and stomatal conductance is the main mechanism by which ...
Securidaca longipedunculata Fresen (Polygalaceae): A review of its ethnomedicinal uses, phytochemistry, pharmacological properties and toxicology

Mongalo, Nkoana Ishmael; McGraw, LJ; Finnie, JF; Van Staden, J (Elsevier, 2015)

Ethnopharmacological relevance: Securidaca longipedunculata Fresen (Polygalaceae) is a multi-purpose plant with a long history of use in African traditional medicine to treat various sexually transmitted infections, ...
The effect of greening the supplier and innovation on environmental performance and competitive advantage

van den Berg, Unine; Labuschagne, Jean-Pierre; van den berg, Hugo (AOSIS OpenJournals., 2015)

Companies in South Africa should realise the important influence of greening their suppliers and innovation to achieve environmental goals and competitive advantages. A questionnaire survey was conducted with 75 companies ...
Determinants of Competitiveness in the South African Citrus Fruit Industry

Sinngu, Takalani; Antwi, Michael (Journal of Agricultural Science, 2014)

This paper analyses the determinants of competitiveness in the South African citrus fruit industry. It uses Michael Porter's competitive diamond framework to determine and analyse the factors influencing the performance ...
Competitiveness of the South African Citrus Fruit Industry Relative to Its Southern Hemisphere Competitors

Sinngu, Takalani; Antwi, Michael (Journal of Agricultural Science, 2014)

This paper investigates the competitive performance of the South African citrus fruit industry relative to its southern hemisphere rivals, namely Argentina, Australia, Uruguay, Chile and Peru. Both local and international ...

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