Epidemiological studies on bovine salmonellosis in Egypt / Mohamed Fahmy Elsayed Morsy Azooz ; Supervised Hassan Mohamed Yousef , Yousef Adel Soliman

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Mohamed Fahmy Elsayed Morsy Azooz

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TextLanguage: English Publication details: Cairo : Mohamed Fahmy Elsayed Morsy Azooz , 2017Description: 79 P. ; 25cmOther title:

دراسات وبائية على مرض السالمونيلا فى الأبقار فى جمهورية مصر العربية [Added title page title]

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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Internal Medicine and Infectious Diseases Summary: The aim of this study is to measure the frequency of occurence of salmonellosis in some feedlot calves farms in Egypt, and identifying the different risk factors play a role in the likelihood of perpetuation of this organism among calves on these farms provide a scientific basis for the development of practical preventive measures. The point prevalence in different farms and different localities revealed that the prevalence were 0%, 3%, 1.8%, 0%, 0%, 2.5% and 1.8% in farms A, B, C, D, E, F and G respectively, and 1.36% from Qalioubia governorate, 0.87% from Monofia governorate and 2% from Sharkia governorate. The overall individual level prevalence of bovine salmonellosis in feedlot calves farms were 1.28%. Among 7 enrolled herds, 4 (57.14%) yielded Salmonella-positive samples during the study period. Risk factors identification of bovine salmonellosis using statistical software programe one way ANOVA test revealed that the risk factors that were found to be associated with the presence of this pathogen included purchasing calves from dealers (OR. 6, 95% CI. 1.00 to 46.00 and P<0.001), herd size 100 and more (OR. 1.5, 95% CI. 0.7-7.38 and P<0.025). Group housing (OR. 3.5, 95% CI. 1.00-16, P<0.02 ), dirty muddy calf floor area (OR. 2.6, 95% CI. 0.5-12.8, P<0.012), inadequate cleaning of feeding and watering utensils (OR. 3.5, 95% CI. 0.7-9.77, P<0.005), rodents in feed storage area (OR. 3.6, 95% CI. 0.7-9.52, P<0.001), presence of dogs and cats (OR. 1.5, 95% CI. 0.8-7.38, P< 0.034), lack of barn disinfection (OR. 3.38, 95% CI. 0.65-17.2, P<0.003), age of calves (OR. 7, 95% CI. 1.00-13.9, P<0.012), breeds (OR. 1.5, 95% CI. 0.7-7.18, P< 0.023), gender (OR. 1.5, 95% CI. 0.7-7.33, P< 0.034), season OR. 1.3, 95% CI. 0.65-8.00, P<0.015

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Holdings
Item type	Current library	Home library	Call number	Copy number	Status	Date due	Barcode
Thesis	قاعة الرسائل الجامعية - الدور الاول	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.10.09.M.Sc.2017.Mo.E (Browse shelf(Opens below))		Not for loan		01010110073923000
CD - Rom	مخـــزن الرســائل الجـــامعية - البدروم	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.10.09.M.Sc.2017.Mo.E (Browse shelf(Opens below))	73923.CD	Not for loan		01020110073923000

Thesis (M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Internal Medicine and Infectious Diseases

The aim of this study is to measure the frequency of occurence of salmonellosis in some feedlot calves farms in Egypt, and identifying the different risk factors play a role in the likelihood of perpetuation of this organism among calves on these farms provide a scientific basis for the development of practical preventive measures. The point prevalence in different farms and different localities revealed that the prevalence were 0%, 3%, 1.8%, 0%, 0%, 2.5% and 1.8% in farms A, B, C, D, E, F and G respectively, and 1.36% from Qalioubia governorate, 0.87% from Monofia governorate and 2% from Sharkia governorate. The overall individual level prevalence of bovine salmonellosis in feedlot calves farms were 1.28%. Among 7 enrolled herds, 4 (57.14%) yielded Salmonella-positive samples during the study period. Risk factors identification of bovine salmonellosis using statistical software programe one way ANOVA test revealed that the risk factors that were found to be associated with the presence of this pathogen included purchasing calves from dealers (OR. 6, 95% CI. 1.00 to 46.00 and P<0.001), herd size 100 and more (OR. 1.5, 95% CI. 0.7-7.38 and P<0.025). Group housing (OR. 3.5, 95% CI. 1.00-16, P<0.02 ), dirty muddy calf floor area (OR. 2.6, 95% CI. 0.5-12.8, P<0.012), inadequate cleaning of feeding and watering utensils (OR. 3.5, 95% CI. 0.7-9.77, P<0.005), rodents in feed storage area (OR. 3.6, 95% CI. 0.7-9.52, P<0.001), presence of dogs and cats (OR. 1.5, 95% CI. 0.8-7.38, P< 0.034), lack of barn disinfection (OR. 3.38, 95% CI. 0.65-17.2, P<0.003), age of calves (OR. 7, 95% CI. 1.00-13.9, P<0.012), breeds (OR. 1.5, 95% CI. 0.7-7.18, P< 0.023), gender (OR. 1.5, 95% CI. 0.7-7.33, P< 0.034), season OR. 1.3, 95% CI. 0.65-8.00, P<0.015

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