Now showing items 1-2 of 2
The bio-ecology of the sheep scab mite Psoroptes ovis (Acari: Psoroptidae) Hering (1835)
(University of the Free State, 1999-09)
English: Sheep scab, which is caused by the mite Psoroptes ovis, has been and is still today an impediment to sheep husbandry in many countries throughout the world. Despite the economic impact, sheep scab remains a ...
Sessiline ciliophorans associated with Haliotis species (Mollusca: Archaeogastropoda) from the South Coast of South Afica
(University of the Free State, 1999-06)
English: Abalone, locally known as perlemoen, are herbivorous marine gastropods with all species in one genus, Haliotis Linneaus, 1758. Abalone have been commercially exploited since ancient times. Along the southern ...