About the Authors

Gamal Badr

badr73@yahoo.com

Affiliations Zoology Department, College of Science, King Saud University, Riyadh, Saudi Arabia, Zoology Department, Faculty of Science, Assiut University, Assiut, Egypt

Eric A. Lefevre

Affiliation Institute for Animal Health, High Street, Compton, Newbury, United Kingdom

Mohamed Mohany

Affiliation Zoology Department, College of Science, King Saud University, Riyadh, Saudi Arabia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GB. Performed the experiments: GB MM. Analyzed the data: GB EAL MM. Contributed reagents/materials/analysis tools: GB MM. Wrote the paper: GB EAL MM.