11.   Biotech companies have been asked to keep cloned livestock out of the food chain until the National Academy of Sciences finishes a study of the safety of the technology.

12.   Biotech companies have been asked to keep the livestock out of the food chain until the agency finishes its review.

13.   Livestock is often kept on roofs or in basements in Egyptian cities before feasts.

14.   However as a precaution farmers were told to keep livestock away from the river.