Two new strains of horsesickness virus were isolated m suckling mice by the intracerebral route. These strains were identified as horsesickness by:- (a) Demonstration of fixation of complement by the group specific ...

1. The modified critical test, or so-called short-term slaughter test, was the most suitable means of assessing anthelmintic efficacy on adult Trichostrongylus spp. and O. columbianum. It has some value for O. circumcincta ...

A new species of Strongyliid round worm - Trachypharynx natalensis - from the large intestine of the cane rat, is described. A new subfamily - Trachypharynginae - of the Strongylidae is created. New subfamilies of the ...

The ketone body levels of adequately fed, monotocous Merino ewes were found to remain unaltered throughout the gestation period. The ketone body levels of both pregnant and non-pregnant animals were affected to the same ...

Good progress has been made during the past two decades in improving the diagnostic methods for detecting the various types of bovine infertility. Nevertheless, the sterility worker is still frequently confronted with cows ...

The pathological physiology of heartwater has been studied in acute, untreated fatal cases in sheep and cattle. No significant changes could be found in the blood constituents. The main findings were (a) disappearance of ...

Selenosis is described, it is believed for the first time, as being a potential grazing hazard in many parts of this country, especially in the Karoo areas. A review of the symptomatology, pathology and epizootology of ...

1. A system for the mass propagation of B. tropicus in shallow water aquaria 1s described. 2. A system of maintaining numbers of small shallow water aquaria suitable for varied experimental purposes is outlined. 3. ...

A comparatively rapid and economical method of assessing the viability of P. microbothrium metacercariae was developed by modifying the technique described by Wikerhauser (1960). The effects of various methods of storage ...