SHEEP CEFTRIAXONE (IV) Resources Goudah, A., Shin, H. C., Shim, J. H., & Abd El-Aty, A. M. (2006). Characterization of the relationship between serum and milk residue disposition of ceftriaxone in lactating ewes. Journal of Veterinary Pharmacology and Therapeutics, 29(4), 307–312.