OCCURRENCE OF PATHOGENIC AND FAECAL ESCHERICHIA COLI IN LAYER HENS

Occurrence of pathogenic and faecal Escherichia coli in layer hens

A total of 117 Escherichia coli from colibacillosis elbeco adu ripstop pants affected (APEC) and clinically healthy birds (AFEC) were serotyped and tested for the presence of virulence genes: iss, tsh, cva.A total of 54.5% E.Coli were typeable and 15 different serogroups were identified.The most common serogroups among APEC strains were O78, O2 and

read more

Methods of accounting and tax recognition of investment income: characteristics, comparative analysis, ways of improvement

One of the components of business entities profit, which is a goal of any commercial enterprise, is a result of investment activity.The article analyzes the notion of investment income and its composition and characterizes the currently used method of investment income accounting, the provisions of International Financial Reporting Standards in res

read more

Dynamic design model of displacement ventilation

An here accurate temperature gradient calculation is essential for displacement ventilation (DV) system design, since it directly relates to the calculation of the required supply air flow rate.Inaccurate temperature prediction can cause the poor thermal comfort and w sizing of the ventilation and cooling systems.Several simplified nodal models wer

read more