Publications by authors named "Maria A Roggio"
Environ Sci Pollut Res Int
June 2021
Article Synopsis
- Roundup® is a popular herbicide that contains glyphosate and has various formulations, which can differ in ingredients and toxicity levels.
- Recent studies reveal that Roundup® is particularly harmful to fish, affecting their behaviors and health, even more so than pure glyphosate.
- This research focused on how different Roundup® formulations impacted the livebearer fish, Jenynsia multidentata, showing that specific formulations negatively altered swimming ability, memory, and sexual activity in the fish.
Rev Biol Trop
September 2014
Several sperm parameters have been employed as useful tools to evaluate fish fertility. Within teleosts, approximately 3% of fish species are known to be viviparous. The Order Cyprinodontiformes includes several species with internal fertilization, and within this group most of the studies about sperm quality have been mainly focused on the Poeciliidae family.
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Environ Toxicol Chem
May 2012
Growing evidence shows that environmental estrogen can reach levels that are high enough to exert adverse reproductive effects on wild fish populations. The authors report different parameters of male reproductive behavior, brain, and gonadal aromatase expression, as well as sperm quality in an internally fertilizing fish species (Jenynsia multidentata, Jenyns) exposed to environmentally relevant concentrations of 17β-estradiol (E(2) ). Adult males were exposed to 0, 50, 100, and 250 ng/L E(2) over 28 d.
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