Shawahna, Ramzi
Zyoud, Ahed
Yahia, Elaf Haj
Sulieman, Rahma
Haddad, Abeer
Makhlof, Mohammad
Abu-Hilal, Bilal
Murtaza, Ghulam
Hilal, Hikmat
Article History
Received: 10 September 2019
Accepted: 27 January 2020
First Online: 2 March 2020
Ethics approval and consent to participate
: All procedures in this study were conducted in compliance with the ethical principles followed at An-Najah National University as well as the internationally recognized animal care and use regulations. The study protocol was approved by the research and ethics committee of An-Najah National University. The hens used were treated humanely and their vital signs were monitored and recorded throughout the different stages of the study. A licensed veterinarian observed the hens for signs of toxicity and ensured their welfare throughout the different stages of the study. Once the study was terminated, all hens were euthanized humanely in accordance with the guidelines of the European Commission, the Humane Society of the United States, and the American Veterinary Medical Association (AVMA).
: Not applicable.
: The authors declare that they have no competing interests.