2019
DOI: 10.1080/03601234.2019.1614399
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Effects of long-term chlorpyrifos exposure on mortality and reproductive tissues of Banded Gourami (Trichogaster fasciata)

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Cited by 15 publications
(5 citation statements)
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“…In a recent study published by Santos et al (2021), when evaluating the toxic effects of pesticides on the reproductive processes of freshwater fish based on articles published from 2000 to 2019, they observed that insecticides were present in 78% of the studies, mainly Endosulfan (35%) and Cypermethrin (13%), which are classified respectively as organochlorine and pyrethroid. The authors also highlighted that the most reported routes of action in the studies (57.5%) were reproductive endocrine disorders, with changes ranging such as decreased fertility due to histological damage to testicles and ovaries; impairment of the vitellogenesis process and interruption in the steroidogenesis process; delay in gonad maturation evidenced by alterations in the Gonadosomatic Index; alteration in reproductive and parental behavior; compromised olfactory response and consequent disorder in reproductive migrations; as well as disturbances in the coordination of courtship behavior of male and female fish and spawning time (Jaensson et al 2007, Singh & Singh 2008, Marcon et al 2015, Sumon et al 2019.…”
Section: Discussionmentioning
confidence: 99%
“…In a recent study published by Santos et al (2021), when evaluating the toxic effects of pesticides on the reproductive processes of freshwater fish based on articles published from 2000 to 2019, they observed that insecticides were present in 78% of the studies, mainly Endosulfan (35%) and Cypermethrin (13%), which are classified respectively as organochlorine and pyrethroid. The authors also highlighted that the most reported routes of action in the studies (57.5%) were reproductive endocrine disorders, with changes ranging such as decreased fertility due to histological damage to testicles and ovaries; impairment of the vitellogenesis process and interruption in the steroidogenesis process; delay in gonad maturation evidenced by alterations in the Gonadosomatic Index; alteration in reproductive and parental behavior; compromised olfactory response and consequent disorder in reproductive migrations; as well as disturbances in the coordination of courtship behavior of male and female fish and spawning time (Jaensson et al 2007, Singh & Singh 2008, Marcon et al 2015, Sumon et al 2019.…”
Section: Discussionmentioning
confidence: 99%
“…The mechanisms of action of the pesticides show effects at different levels of toxicity, with reproductive endocrine disorders being the most reported in more than 50% of the analyzed studies. According to Sabra and Mehana (2015), fish exposed to environmental pollutants such as insecticides, herbicides, heavy metals and xenobiotics may suffer disturbances in their natural reproductive processes, potentially resulting in changes such as decreased fertility and histological damage in the testes and in the ovaries (Cuña et al, 2011(Cuña et al, , 2013Marcon et al, 2015), impairment of the vitellogenesis process and interruption of the steroidogenesis process (Singh and Singh, 2008), delayed maturation of the gonads evidenced by changes in the gonadosomatic index (Kleinkauf et al, 2004;Sumon et al, 2019), changes in reproductive and parental behavior, impaired olfactory response and consequent disturbance of reproductive migrations, and disturbances in the Rev. Bras.…”
Section: Histopathology (Gh) Gonadosomatic Index (Gsi) Sperm Quality and Embryonic Development (Ed)mentioning
confidence: 99%
“…The obtained data highlighted the necessity of the further study of the impacts of soot on fish with higher tolerances to changes in the environment. Therefore, we chose pearl gourami, Trichogaster leerii (Bleeker, 1852), used in toxicological experiments [40], as well as other representatives of genus Trichogaster [41,42]. The presence of a labyrinth organ allows these fish to also breathe with air, decreasing the loading on the respiratory function of the gills [43,44].…”
Section: Introductionmentioning
confidence: 99%