Bigalkenema namaquensis n.g., n. sp., is described from domestic sheep. The new genus belongs to the Trichostrongylidae. lt is closely related to the genus Longistrongylus le Roux, from which it is separated by its dorsal ...

Two instances of clinostomid trematodes presumed to be aberrant parasites in the mouth of domestic cats are recorded from Lydenburg and Durban. These trematodes are considered to belong to a new species and are described ...

Exposure to unfavourable conditions resulted in an alteration of characteristics in certain strains of Salmonella: (l) Different strains of Salmonella gallinarum yielded motile variants showing various H-antigens. In ...

Ortlepp reports on collections of cestodes from guinea-fowl in southern Africa located in the Veterinary Research Institute at Onderstepoort. Most of the specimens were much shrunken and coiled, rendering their study ...

It has been previously shown that the administration of alloxan leads to the destruction of the islets of Langerhans in the pancreas (Dunn, Sheehan & McLetchie, 1943) with a subsequent development of a true diabetic condition ...

Attention is directed to the lack of a readily available small laboratory animal to replace the horse in evaluating the innocuity and antigenicity of strains of horsesickness virus attenuated for equines by serial intracerebral ...

Experiments are described in which eleven sheep were artificially infested and their reactions studied in detail. The main lesion was found to be a marked decrease in plasma albumin concentration with a resultant shrinkage ...

The urinary excretion of pregnanediol has been studied over the full period of gestation in a group of twenty Angora ewes. A comparison is drawn between animals in which conception presumably did not occur, those which ...