Mutassim M. Abdelrahman, Riyadh S. Aljumaah, Moez Ayadi and Shabana Naz, 2017. Trace Minerals in Blood and Colostrum in Naemi Ewes and their Neonates Fed with Long Term Prepartum Sustained-Release Trace Elements Ruminal Bolus. Pakistan J. Zool., 49: 1471-1476.