Solfaine, R., Rahmawati, I., Desiandura, K. and Yuriska, Y. 2023. Study of Laboratory Diagnosis of Colibasilosis Infection In Local Hen In Surabaya. Journal of Applied Veterinary Science And Technology. 4, 1 (Apr. 2023), 33–40. DOI:https://doi.org/10.20473/javest.V4.I1.2023.33-40.