Three hundreds- Awassi yearlings, ١٨-١٩ months old, ٤٠ ± ١ kg weight,
٢,٥-٣ months post first lambing, were used to study the efficiency of hormonal
treatment in synchronizing estrus and increasing lambing rate with a program
of having two lambs p
er year. Ewes were randomly and equally divided into
three groups.
