Ions levels in the gastrointestinal tract content of silver catfish Rhamdia quelen (Siluriformes: Heptapteridae) are related to the reproduction period
Alexssandro Geferson Becker,
Bernardo Baldisserotto,
Carlos Eduardo Copatti
Abstract:The current study tested the hypothesis that an increase in the ionic levels (Na+, Cl-, Ca2+, Mg2+, and K+) in the gastrointestinal tract (GIT), and hepatosomatic index (HSI), gonadosomatic index (GSI), and Fulton’s condition factor (FCF) are associated with the reproduction period of silver catfish (Rhamdia quelen). So, we verified ionic levels of the fluid phase of the different portions of the GIT content, HSI, GSI, and FCF of silver catfish in different seasons in a dam in southern Brazil. The highest Na+ … Show more
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