Marisha Snyman

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The efficacy of a 15% (w/w) mixture of octanoic, nonanoic and decanoic acids in light mineral oil to repel Culicoides biting midges (Diptera; Ceratopogonidae) was determined in three replicates of a 4 × 4 Latin square design under South African field conditions. The fatty acids were applied to ± 0.07 m(2) polyester meshes with a mesh size 2-3mm fitted to(More)
Current methods to determine heat shock protein (Hsp) synthesis or accumulation in plant cells, such as Western blotting and biometabolic labelling are either indirectly quantitative, labour-intensive or biohazardous. An optimal flow cytometric protocol was developed to measure the intracellular Hsp70/Hsc70 levels in tobacco protoplasts. After heat(More)
The objective of this study was to determine the therapeutic and residual efficacy of a topically applied combination of cyphenothrin (40%) and pyriproxyfen (2%) against the tick Haemaphysalis elliptica and the flea Ctenocephalides felis on dogs. Twelve dogs were infested with 50 ticks 2 days before they were treated and with approximately 100 fleas 6 days(More)
In the veterinary industry, short-acting or conventional oxytetracycline formulations are recommended for use once a day for 4 days, at a dose of 10 mg/kg. With the large degree of antimicrobial resistance reported, the efficacy of this dose was assessed using pharmacodynamic modelling. The specific parameters evaluated were based on the time-dependent(More)
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