3,326
edits
Changes
→Coccidia of Poultry
'''Pathogenesis'''
'''Pathogenesis'''
*7 important ''Eimeria'' species
*4 malabsorptive species
**''Eimeria acervulina'' which is moderately pathogenic
**''Eimeria maxima'' which is moderately pathogenic
**''Eimeria mitis'' which has low pathogenicity
**''Eimeria praecox'' which has low pathogenicity
*3 haemorrhagic species
**''Eimeria tenella''
**''Eimeria necatrix''
**''Eimeria brunetti''
**All highly pathogenic
**Form large sub-epithelial second generation schizontsat the base of intestinal crypts
**Deep eruptions form when cells rupture to release merozoites
**Destruction of crypt stem cells and marked haemorrhage
**Blood stained faeces
**High morbidity and high mortality
'''Diagnosis'''
'''Diagnosis'''