Quarterly Pathology III. Europe
In newly hatched birds, omphalitis is still being presented, which is related to infectious toxic hepatoenteritis of breeding birds. This infection is related to an infection for enterbacteria SH2. The size of vellum has varied within 11.5-13.2% the weight of chicks.
An increase of necrosis in femur head has been observed in 25-30 day old broilers. This pathology is related to a bad absorption due to the presence of trichothecenes in feed which can have Staphilococcus aureus as a secondary pathogen.
In laying hens, some problems of intra abdominal laying have been diagnosed, combined with renal injuries. This pathology has been linked to infectious bronchitis virus in vaccinated birds..
The presence of a high level of Actinobacillus suis and stress, due to alterations of temperature, influence on increase of secondary infections by Haemophillus, Streptococcus suis, Pasteurella, Mycoplasma and E.Coli.
These secondary infections cause meningitic symptoms, polisinovitis, pericarditis, endocarditis and pneumonia.
Infections for Clostridium perfringens type D have been frequent recently due to stabling of animals and a diet rich in carbohydrates as a consequence of an unfavourable climate lately in Europe.