Biomedical subjects
Publications and source records attributed to W Kötsche.
Coincident with the veterinary institutes at the universities a number of at first smaller institutes were founded, that partly attained a leading role up to this day for scientific and diagnostic work in veterinary medicine. The chambers of veterinarians in the first half of the 19th century were progressive institutions with statutes as modern as today.
The short introduction into the historical development of our profession is followed by a review of the beginning of the public veterinary affairs in Germany of the 18th and 19th century with special respect of Prussia and Bavaria.
Investigating the cause of an outbreak of mild diarrhoea in a boar rearing unit with about 750 animals, C. coli was found in all diseased animals, i.e. it was isolated from the intestines of culled boars and from faeces samples; often the amount of C. coli was very high. The intragastric application of C. coli to 5 weaning pigs (about 35 kg) resulted in the shedding of large numbers of C. coli via the faeces at days 3 and 5 post infectionem only. The development of the animals was undisturbed during the 17 days of the experiment. Carrying out follow-up investigation, C. coli was isolated at least once per animal from all healthy animals (n = 40) from the 3 farms, delivering young boars to the unit. C. coli is regarded as an opportunistic microorganism in the intestines of swine, able to cause diarrhoea only when combined with infection-promoting factors. In the case presented, these factors were nitrate-enriched water, changes in the composition of feed and the rapid shift from winter conditions to a warm spring.
120 Staphylococcus aureus strains from different and sporadic pathological process in swines have been investigated on biochemical properties and phage patterns. 98 strains (82%) exhibit coagulation of human plasma, no coagulation of bovine plasma, crystal-violet-type C, hemolysin-type beta, no formation of fibrinolysine and sensitivity for phages of group I, III and M. Only in few strains we observed reactions with phages of group II. 26 from 66 strains were resistant to antibiotics, and among them 24 showed resistance to oxytetracacline.
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