Evaluation of Organic Acids in Prevention and Control of Paratyphoid Infection in Chicken Flocks

In this investigation , one thousand, seven hundred and thirty seven chicks of different breeds, with an average age 1-21 days-old either freshly dead or diseased were collected from some localities at Sharkia Governorate. These chicks were subjected to cThe examined chicks showed clinical signs in the form of depression, huddling together, closed eyes, droopy wings, ruffled feathers, reduction of feed intake, increased water consumption, profuse watery diarrhea soiled vent and vent feathers. Meanwhile, tTwenty -one salmonella isolates were isolated during this study, with an incidence 1.2%. Day-old, Baladi breed examined chicks showed the highest incidence of isolation 8 salmonellae isolates. The isolation percentage from different organs were 33.33%; 23