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The thermal stratification of the upper water layers in the Baltic Sea varies seasonally in response to the annual cycle of solar heating and wind-induced mixing. In winter,the stratification down to the halocline is almost completely eroded by convection and strong wind mixing. Monthly averaged temperature profiles obtained from the ICES hydrographic database were used to study the long-term variability...
One hundred and twenty three cases of fowl cholera were diagnosed in south-west Poland over a 3-year period on geese and turkeys farms. A phenotypic analysis of 43 isolates of Pasteurella sp. was performed and all the tested isolates decomposed glucose, fructose, mannose and saccharose. Sorbitol, maltose and trehalose were fermented by 95.2%, 7.1% and 7.1% of the strains respectively. 83,7% of the...
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