In 1955 researchers of the Israeli Agricultural Research Organization ARO started this project aiming to improve the fecundity of the Awassi sheep A combination of 38 East Friesian and 58 Awassi blood emerged as the best cross

Could you correct the punctuation please?
In 1955, researchers of the Israeli Agricultural Research Organization (A.R.O) started this project aiming to improve the fecundity of the Awassi sheep. A combination of 3/8 East Friesian and 5/8 Awassi blood emerged as the best cross.