CATTLE AMPICILLIN (SC) Resources Nouws, J. F. M., van Ginneken, C. A. M., Hekman, P., & Ziv, G. (1982). Comparative plasma ampicillin levels and bioavailability of five parenteral ampicillin formulations in ruminant calves. Veterinary Quarterly, 4(2), 62–71. https://doi.org/10.1080/01652176.1982.9693841