Effect of iodine treatment on the hatching rate of black sea turbot, (Psetta maxima Linnaeus, 1758), eggs

Aydın, İlhan; Polat, Hamza; Şahin, Temel; Kolotoğlu, Lütfi; Küçük, Ercan

doi:10.3153/jfscom.2011009

Cited by 8 publications

(12 citation statements)

References 24 publications

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“…In the second experiment, iodine at concentrations 50, 100 and 250 mg L −1 for 15 showed improvement in the hatching rate and survival to first feeding fry of yellow perch, compared to the control. These results are in accordance with data obtained by Aydın, Polat, Şahin, Kolotoğlu and Ercan (). However, Katharios, Agathaggelou, Paraskevopoulos and Mylonas () observed that 100 mg L −1 iodine for 5 min significantly reduced the hatchability of red porgy Pagrus pagrus and white Sea bream Diplodus sargus sargus eggs compared to the control.…”

Section: Discussionsupporting

confidence: 93%

Efficacy of formalin, iodine and sodium chloride in improvement of egg hatching rate and fry survival prior to the onset of exogenous feeding in yellow perch

2015

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Egg disinfection is considered the most important routine work in hatcheries to avoid fungal and/or bacterial infection of fish eggs. The aim of this study was to determine the effectiveness of three disinfectants: formalin, iodine and sodium chloride on the hatching success of yellow perch eggs. The disinfectants were tested in triplicate at different concentrations for 15 and 30 min bath treatments. Two experiments were conducted; formalin at five concentrations (25, 50, 100, 150 and 200 mg L−1) and 25 mg L−1 iodine were tested in the first experiment. The second experiment involved formalin at three concentrations (250, 500 and 1000 mg L−1), iodine at three concentrations (50, 100 and 250 mg L−1) and sodium chloride at three concentrations (500, 1000 and 3000 mg L−1) were used. Iodine and sodium chloride‐treated eggs hatched earlier than formalin‐treated eggs. The highest mean percentage of eyed stage, hatching rate and survival to first feeding fry was observed at 200 mg L−1 formalin for 30 min, 50 mg L−1 iodine for 15 min and 500 mg L−1 sodium chloride for 30 min. High concentrations of formalin (1000 mg L−1), iodine (250 mg L−1) and sodium chloride (1000 and 3000 mg L−1) showed toxicity to yellow perch eggs, resulting in low hatching rate and survival to first feeding fry. We recommended formalin at a concentration of 150–200 mg L−1 for 30 min as an effective, easily available and low‐cost disinfectant for routine use to improve yellow perch hatchability.

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Section: Discussionsupporting

confidence: 93%

Efficacy of formalin, iodine and sodium chloride in improvement of egg hatching rate and fry survival prior to the onset of exogenous feeding in yellow perch

2015

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“…The latter was done for tilapia ( Oreochromis mossambicus Peters; Subasinghe & Sommerville ), black sea turbot ( Psetta maxima L.; Aydin et al . ), westslope cutthroat trout ( Oncorhynchus clarkii lewisi Suckley; Pravecek & Barnes ) and Atlantic salmon (Jodun & Millard ).…”

Section: Evaluation Criteria For a Successful Disinfectionmentioning

confidence: 99%

“…, ,c; Aydin et al . ), as was the total length of the larvae at hatching (Stuart et al . ), at 19 and 27 days (Dabrowski et al .…”

Section: Evaluation Criteria For a Successful Disinfectionmentioning

confidence: 99%

“…Next to the studies dealing with the effect of iodine on the microbial load (Table S4), other studies focused only on the tolerance of the eggs towards this disinfecting agent. The latter was done for tilapia (Oreochromis mossambicus Peters; Subasinghe & Sommerville 1985), black sea turbot (Psetta maxima L.; Aydin et al 2011), westslope cutthroat trout (Oncorhynchus clarkii lewisi Suckley; Pravecek & Barnes 2003) and Atlantic salmon (Jodun & Millard 2001).…”

Section: Iodophorsmentioning

confidence: 99%

“…In red sea bream, the morula stage was the most suitable stage for disinfection (Hirazawa et al 1999a). Although the hatchability of black sea turbot eggs was similar following disinfection at 0, 1 and 2 days of age, when disinfection was performed at the latter two ages, a significantly higher number of abnormalities was noted (Aydin et al 2011). Also grouper (Epinephelus coioides Hamilton) eggs were more resilient to stress and hence disinfection during the eyed stage (Tendencia 2001).…”

Section: Iodophorsmentioning

confidence: 99%

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Disinfection of teleost eggs: a review

Swaef

Broeck

Dierckens

et al. 2015

Reviews in Aquaculture

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In aquaculture hatcheries, egg disinfection is commonly employed as a mortality mitigation and disease management tool. In addition, disinfection protocols are utilized in research facilities, as a means to create axenic and gnotobiotic larval models. For the latter, a complete sterilization of the eggs is warranted. Multiple research groups have tested various disinfectants in fish eggs adopting different protocols and a range of parameters to evaluate their efficacy and safety. However, there is a clear lack of a critical review listing these different studies and stressing the advantages and shortcomings of the protocols and adopted disinfectants. This review provides a commented survey of the findings/experiments on the most frequently used and upcoming disinfecting products, the protocols in which they are included and their purposes with emphasis on decreasing bacterial and/or fungal load, underscoring the benefits and the limitations of each product. Supplemented with a critical note, this review assists both aquaculturists and researchers in making an informed choice. Moreover, it will help stakeholders to identify the gaps in knowledge where future research on egg disinfection is needed.

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Evaluation of Three Embryo Disinfectants on Hatching Success in Four Freshwater Ornamental Fish Species

et al. 2019

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Maintaining optimum conditions for embryo incubation is a critical consideration in finfish aquaculture. To this end, prophylactic disinfectant protocols have been widely used in culture practices for many finfish species. However, empirical evaluations of safety and effectiveness for disinfectants in ornamental fish species are uncommon. We evaluated hatching success in embryos of four ornamental fishes (Redtail Sharkminnow Epalzeorhynchos bicolor, Rainbow Sharkminnow E. frenatum, Featherfin Squeaker Synodontis eupterus, and Blotched Upsidedown Catfish S. nigriventris) after a 15‐min immersion in one of three common disinfectant solutions: formalin at 1,500 mg/L, iodine at 100 mg/L, and hydrogen peroxide at 1,000 mg/L. A 15‐min immersion in hatching water served as the control. All disinfectants were administered according to either the manufacturer's recommendation or protocols found in published literature for other species. At the tested concentrations, hydrogen peroxide and formalin can be safely used as prophylactic treatments for the majority of species evaluated, with no detrimental effects. In addition, Redtail Sharkminnow embryos treated with formalin exhibited numerically higher hatch success with less variation among replicates than the control treatment. For all species, a 15‐min immersion in 100‐mg/L iodine resulted in significantly lower hatching success when compared with all other treatments.

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Effect of iodine treatment on the hatching rate of black sea turbot, (Psetta maxima Linnaeus, 1758), eggs

Cited by 8 publications

References 24 publications

Efficacy of formalin, iodine and sodium chloride in improvement of egg hatching rate and fry survival prior to the onset of exogenous feeding in yellow perch

Efficacy of formalin, iodine and sodium chloride in improvement of egg hatching rate and fry survival prior to the onset of exogenous feeding in yellow perch

Disinfection of teleost eggs: a review

Evaluation of Three Embryo Disinfectants on Hatching Success in Four Freshwater Ornamental Fish Species

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