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A total of 128 cultures of E. coli isolated from uterine pus from 143 bitches with a clinical diagnosis of pyometra were examined by biotyping, resistotyping, drug susceptibility, serum resistance and enzymatic activities. Among the isolates a total of 12 different biochemical profiles were distinguished. The majority (92.8%) of the isolates fell into 5 biotypes. From among 20 biochemical features...
In the present study, the effect of stimulation of pregnant sows with isoprinozine or levamisole on parameters of unspecific immunity in piglets during first weeks of their life were examined. The investigations were carried out on three pregnant sows and their progeny. All the sows were clinically healthy and they were not vaccinated before the experiment. The first animal was given 10% solution...
The objective of the studies was to determine the dynamics of certain parameters of nonspecific cellular and humoral immunity in piglets in the post-natal period. The parameters of immune responses were determined in blood samples of 7 randomly chosen piglets before feeding them their first doses of colostrum, 48 h after colostrum feeding and at the age of 7, 14, 21 and 35 days of life. The following...
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