Study of the gill health status of farmed sea bass (Dicentrarchus labrax L., 1758) using different tools

A histology-based fish health assessment of farmed seabass (Dicentrarchus labrax L.)

“…Seabass CF and HSI values were slightly lower than those generally reported in farmed seabass (see Saraiva et al, 2015). These values are probably associated with expense of energy to address adverse factors, namely the parasites observed in gills.…”

“…In this study gills were the most histologically affected organ. Probably several factors contributed to it but we believe that the infection by D. aequans contributed decisively to the histological changes observed (Saraiva et al, 2015).…”

“…1A). The most usual observed histological changes were hyperaemia (circulatory changes), hypertrophy and hyperplasia (progressive changes) and necrosis (regressive changes) of gill tissues and inflammatory cell infiltration (see Saraiva et al, 2015).…”

“…The gills were infected with the monogenean Diplectanum aequans (Wagener, 1875) Diesing, 1858, a few specimens of the copepod Caligus minimus Otto, 1821 and some unidentified copepodite and calimus stages (see Saraiva et al, 2015). Gills were the most histologically affected organ with a mean histological organ index of 46.7 (Table 3), with 56.7% of fish presenting severe histopathological alterations (Fig.…”

Biomarcadores na avaliação do estado fisiológico de juvenis de beijupirás, <i>Rachycentron canadum</i> (Linnaeus, 1766), de cultivo.

“…Peixes considerados saudáveis e com um bom desenvolvimento possuem um valor de K maior que 1 (SARAIVA et al, 2015 Wang et al (2005).…”