Abstract Immersion‐based vital dyes were tested as a marking method for use in larval smelt mark–recapture studies. We assessed five fluorescent mark juvenile osmerids: 4‐Di‐1‐ASP, BODIPY FL C12, 505/515, Nile red, and calcein. marked Delta Smelt, Hypomesus transpacificus , proxy Longfin Spirinchus thaleichthys to determine the efficacy of each batch technique osmerids based on dye performance ...

BACKGROUND Fish-borne zoonotic trematodes (FZT) are a food safety and health concern in Vietnam. Humans and other final hosts acquire these parasites from eating raw or under-cooked fish with FZT metacercariae. Fish raised in ponds are exposed to cercariae shed by snail hosts that are common in fish farm ponds. Previous risk assessment on FZT transmission in the Red River Delta of Vietnam ident...

The hydrography and distributions of cod larvae on Georges Bank were surveyed during two research cruises in April and May 1993 in order to relate larval drift between cruises to the vernal intensification of the frontal component of the residual circulation. We observed the transport of two patches of cod larvae. One patch, which had maximum larval cod densities of 45 larvae 100 mm3 in April, ...

Despite the commercial and zoonotic importance of larval anisakid infestations of teleosts, their distribution among Australia's diverse marine fish fauna is poorly understood. A preliminary survey of Australia's tropical north-west revealed a generally high prevalence of larval anisakids representing four genera (Anisakis, Terranova, Thynnascaris and Raphidascaris) among only seven fish specie...

A feeding trial which lasted for eight weeks was conducted to investigate the effects of diludine such as growth promoter on feed efficiency, muscle structure and proximate composition of juvenile rainbow trout. Diludine was added at 0.0(D0) 0.2(D1), 0.5(D2) and 1(D3) g kg-1 to a casein-based diet, and every diet was given to the triplicated groups of juvenile rainbow trout. At the end of exper...

Pseudoterranovosis is a well-known human disease caused by anisakid larvae belonging to the genus Pseudoterranova. Human infection occurs after consuming infected fish. Hence the presence of Pseudoterranova larvae in the flesh of the fish can cause serious losses and problems for the seafood, fishing and fisheries industries. The accurate identification of Pseudoterranova larvae in fish is impo...

Evidence supporting the occurrence of starving larval fish in the ocean was mainly circumstantial (May, 1974; Jones and Hall, 1974: Lasker, 1975) until recently, when the presence of starving ocean-caught larval northern anchovy, Engraulis mordax, was documented using histological criteria (O'Connell, 1980). Subsequently, using similar criteria, Theilacker (1986) quantified starvation-induced m...

Lordosis of the haemal part vertebral column is a frequent abnormality in reared fish. Haemal lordosis develops during late larval and early juvenile life stages fish, mainly due to high swimming activity fish rearing tanks. In present study, we have examined whether recovers growth European seabass. Furthermore, aimed develop simple morphometric indices (PrAn1 PrAn2) that might link severity a...

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