Publications by authors named "Ashgan M Hessan"
Objectives: To prepare and evaluate the protective efficacy of immunoglobulin Y (IgY) prepared against local Saudi Cerastes cerastes snake venom.
Methods: The study was conducted between October 2009 and October 2011 at the Center of Excellence in Biotechnology Research, King Saud University, Riyadh, Kingdom of Saudi Arabia. The study designed as follow; 4 groups of 8 chickens were immunized intramuscularly with Cerastes cerastes snake venoms mixed with Freund's complete adjuvant.
Objective: This study reports on comparisons between polymerase chain reaction (PCR) and conventional diagnostic methods for typing Clostridium perfringens toxins collected from Central Saudi Arabia.
Methods: Fecal samples from 150 animals showing signs of enterotoxaemia were collected from 24 April 2009 to 25 September 2009, from different farms located in Riyadh, Kingdom of Saudi Arabia. Twenty-seven toxigenic strains of Clostridium perfringens were recovered from 150 fecal and intestinal content samples were identified and typed by conventional methods.