H D Graubmann

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Development and pathogenicity of the coccidia of cattle are known up to this day only for some species. The criteria responsible for pathogenicity of the species of Eimeria, which are arranged in the complexes "Biological qualities of the species of coccidia", "Factors of environment and stress" and "Situation of reaction of the host" are discussed. Thereby(More)
A micrococcal and a diplocaccal strain isolated from the nasal space of a clinically intact nursed calf were used for artificial bacterial invasion in the first phase of the experiment. Application of bacterial suspension prepared from those strains had no effect upon the rise of coli counts in the nasal secretion of nursed calves during their first days of(More)