10.7910/DVN/D454QY Nabil A. Ibrahim Nabil A. Ibrahim https://orcid.org/0000-0002-2007-7684 WorldFish Harvard Dataverse 2021 Medicine, Health and Life Sciences PBSI= Percent of black spot infection BSI=Black spot infection Wt= Weight of fish SL= Standard length Ht= Height Wd= Width Wgain= Weight gain WorldFish WorldFish Research Data Team WorldFish FISH CRP 2021-02 2020 2021-01-18 2021-01-18 2025-01-23 Experimental data 10.1016/J.AQUACULTURE.2020.736039 574154 text/tab-separated-values 1.5 CC BY 4.0 Black spot disease (diplopstomiasis), an external melanized host inflammatory response caused by a number of digenetic trematode parasites, results in slow growth, deformities and increased mortality among many freshwater fish species globally. We investigated the severity of infection, and genetic parameters for black spot disease among 150 families of Nile tilapia (Oreochromis niloticus) of the Abbassa strain in ponds in Egypt. SAS Egypt, Abbassa,