The influence of formalin, benzocaine and hyposalinity on the fecundity and viability of Polylabroides multispinosus (Monogenea: Microcotylidae) parasitic on the gills of Acanthopagrus australis (Pisces: Sparidae)

Diggles B.K., Roubal F.R. and Lester R.J.G. (1993) The influence of formalin, benzocaine and hyposalinity on the fecundity and viability of Polylabroides multispinosus (Monogenea: Microcotylidae) parasitic on the gills of Acanthopagrus australis (Pisces: Sparidae). International Journal for Parasitology, 23 7: 877-884. doi:10.1016/0020-7519(93)90053-2


Author Diggles B.K.
Roubal F.R.
Lester R.J.G.
Title The influence of formalin, benzocaine and hyposalinity on the fecundity and viability of Polylabroides multispinosus (Monogenea: Microcotylidae) parasitic on the gills of Acanthopagrus australis (Pisces: Sparidae)
Journal name International Journal for Parasitology   Check publisher's open access policy
ISSN 0020-7519
Publication date 1993-01-01
Sub-type Article (original research)
DOI 10.1016/0020-7519(93)90053-2
Open Access Status Not yet assessed
Volume 23
Issue 7
Start page 877
End page 884
Total pages 8
Subject 2405 Parasitology
2725 Infectious Diseases
Abstract Adult Polylabroides multispinosus exposed in vivo to formalin (200 p.p.m. in sea water, 30 min) deposited a similar number of eggs in 24 h in vitro as did control parasites (sea water, 35 parts per thousand, p.p.t., salinity) and worms exposed in vivo to benzocaine (40 p.p.m. in sea water, 10 min). Worms laid more eggs at 30 p.p.t. salinity in vitro than at 20, 35, 10 and 5 p.p.t. salinity (in decreasing order). Formalin (200 p.p.m., 30 min) decreased the viability of recently laid eggs, the survival of oncomiracidia, removed 70% of juvenile and adult worms from the gills, but decreased only slightly the viability of eggs exposed in utero or after eyespots developed in vitro. Salinities below 30 p.p.t. reduced viability as did an increase in temperature from 24 to 28°C. All adult and juvenile worms were removed by baths in formalin (400 p.p.m., 25 min) or fresh water (l h).
Keyword Acanthopagrus australis
aquaculture
benzocaine
development
fecundity
formalin
hyposalinity
marine
Microcotylidae
Monogenea
Polylabroides multispinosus
Sparidae
teleost
treatment
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Scopus Citation Count Cited 26 times in Scopus Article | Citations
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