Molecular investigation of Lawsonia intracellularis in diarrheic and healthy captive ostriches ( Struthio camelus ) in Iran

AbstractLawsonia intracellularis is the causative agent of proliferative enteropathy (PE) in pigs, a disease of economic importance worldwide. The present study aimed to investigate the occurrence ofL. intracellularis in ostriches using a sensitive and specific nested polymerase chain reaction (nested PCR). A total number of 112 fecal samples (64 healthy, 48 diarrheic) were collected from 11 ostrich farms located in four provinces in Iran (Semnan, Tehran, Gilan, Yazd). The results showed the presence ofL. intracellularis in three diarrheic and four apparently healthy birds. The frequency of positive results was the same in both groups (6.25% healthy vs. 6.25% diarrheic). Although the results of this study did not reveal any relationship between this organism and diarrhea (P >  0.05), the molecular detection ofL. intracellularis on a farm where birds were suffering from the typical clinical symptoms of PE highlights the need for evaluation of PE in ratites.
Source: Comparative Clinical Pathology - Category: Pathology Source Type: research

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