Author = Ahmed M. Ammar
Synergistic antimicrobial activity of black pepper extract with some antibiotics combination on Escherichia coli isolated from chickens

Volume 32, Issue 1, March 2017, Pages 1-6

Ashraf A. Abd EL-Tawab; Ahmed M. A. Ammar; Ahmed M. A. Hamouda; Fatma I. A. El-Hofy; Abdelrahman A. A. Elgamal


Synergistic antimicrobial combination with cumin extract and some antibiotics on Staphylococcus aureus from chickens

Volume 32, Issue 1, March 2017, Pages 7-12

Ashraf A. Abd EL-Tawab; Ahmed M. A. Ammar; Ahmed M. A. Hamouda; Fatma I. A. El-Hofy; Abdelrahman A. A. Elgamal


Bacteriological and molecular studies on toxigenic Clostridium perfringens in milk and some milk products

Volume 31, Issue 2, December 2016, Pages 144-148

Ashraf A. Abd El Tawab; Fatma I. El-Hofy; Ahmed M. Ammar; Hoda A. Aideia; Eman A. Hammad


Bacteriological and molecular studies on toxigenic Staphylococcus aureus in milk and some milk products

Volume 31, Issue 2, December 2016, Pages 202-209

Ashraf A. Abd El Tawab; Fatma I. El-Hofy; Ahmed M. Ammar; Hoda A. Aideia; Eman A. Hammad


Effect of prebiotic on the immune status of Oreochromis niloticus

Volume 30, Issue 1, March 2016, Pages 20-28

Ashraf Awad Abd El Tawab; Fatma Abd-Allah El-Hofy; Ahmed Mohamed Ammar; Osama Abd El-Rahman Saleh; Heba Ahmed Tolba


Preliminary studies on E. Coli implicated in avian Colibacillosis with reference to their antibiotic resistance profiles

Volume 30, Issue 1, March 2016, Pages 68-77

Ashraf A. Abd El Tawab; Fatma I. El-Hofy; Ahmed M. Ammar; Mokhtar Abdel Hakeem; Noha M. Abdel Galil


Molecular Screening Of Virulence Genes In Avian Pathogenic Esherichia Coli

Volume 30, Issue 1, March 2016, Pages 137-149

Ashraf A. Abd El Tawab; Fatma I. El-Hofy; Ahmed M. Ammar; Noha M. Abdel Galil


Studies on different salmonella serotypes isolated from poultry in different governorates in Egypt

Volume 28, Issue 2, June 2015, Pages 169-175

Ashraf A. Abd El- Tawab; Fatma I. El- Hofy; Ahmed M. Ammar; Soad A. Nasef; Nehal M. Nabil


Molecular studies on antimicrobial resistance genes in salmonella isolated from poultry flocks in Egypt

Volume 28, Issue 2, June 2015, Pages 176-187

Ashraf Abd El- Tawab; Fatma I. El- Hofy; Ahmed M. Ammar; Soad A. Nasef; Nehal M. Nabil


Rapid methods of diagnosis of Clostridium in broilers in Sharkia governorate

Volume 28, Issue 2, June 2015, Pages 214-223

Ashraf A. Abd El Tawab; Ahmed M. Ammar; Mamdouh A. Elshorbagy; Ehab W. Mostafa


Prevalence of E.Coli in diseased chickens with its antibiogram pattern

Volume 28, Issue 2, June 2015, Pages 224-230

Ashraf A. Abd El Tawab; Ahmed M. Ammar; Soad A. Nasef; Reem M. Reda


Antibacterial resistance and resistance gene detriments of E.coli isolated from chicken

Volume 28, Issue 2, June 2015, Pages 231-240

Ashraf A. Abd El Tawab; Ahmed M. Ammar; Soad A. Nasef; Reem M. Reda


Bacteriological and Molecular Identification of Campylobacter Species in Chickens and Humans, at Zagazig City, Egypt

Volume 28, Issue 1, March 2015, Pages 17-26

Ashraf A. Abd El-Tawab; Fatma I. El Hofy; Ahmed M. Ammar; Heba A. Ahmed; Ahmed A. Hefny