Joseph, T.C. et al. 2021. Prophylactic health products use in Penaeus vannamei farming in Andhra Pradesh: Perception of shrimp farmers of north, central and south coastal regions. Indian Journal of Fisheries. 68, 2 (Aug. 2021). DOI:https://doi.org/10.21077/ijf.2021.68.2.88643-19.