Georg Petersen

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Two hundred and thirty-one cases of orf were reported in one year from 18 meat works slaughtering lambs and sheep. This represented 1.4 percent of the total employees at these works and 4 percent of those working on the mutton slaughter board. One hundred and nineteen of these reports were accompanied by samples of the lesion and 85 percent of lesions(More)
Humanitarian aid workers regularly encounter the challenge of setting up functioning surveillance systems immediately after a disaster. Detecting potential outbreaks of diseases, such as cholera, that might arise from disturbed living conditions, displacement and lack of clean water and sanitation is, therefore, extremely difficult. Fears of cholera(More)
A clinical-pathologic study was made of 50 patients with complete left bundle branch block who had postmortem examinations performed at three Salt Lake City hospitals. Forty (80 percent) were found to have left ventricular hypertrophy as determined from measured left ventricular wall thickow but only 14 had electrocardiographic evidence of this while two of(More)
Differences in muscular activity and rates of decline in the pH of the M. longissimus dorsi of lambs subjected to different methods of stunning and slaughter were observed. Lambs electrically stunned by a head-to-leg method had significantly lower initial pH values as compared to animals stunned by an electrical head-only method, or by captive bolt, or(More)
The effect on blood pressure and muscular activity of a 'head-only' and a 'head-to-body' method of electrical stunning was measured in groups of lambs. A two- to three-fold increase in arterial pressure followed 'head-only' stunning, along with moderate increases in venous pressure. By contrast, after 'head-to-body' stunning, arterial pressure decreased,(More)
The one-stage prothromhin times of 100 lambs from ten different farms varied from 13 to 24 seconds with a mean of 16.6 seconds. The extent and severity of subcutaneous haemorrhagic speckling of carcases was assessed in 775 animals from the same farms and the prevalence of this lesion was similar to that found at the same works during the 1977/78 season. The(More)