Fish have evolved a biological clock to cope with environmental cycles, so they display
circadian rhythms in most physiological functions including stress response. Photoperiodic …

Anesthesia plays a critical role in prevention of mechanical injuries and manipulation stress
in fish. Commercially reared fish are subjected to confinement and handling including …

Fish display robust neuroendocrine and physiologic stress responses to noxious stimuli.
Many anesthetic, sedative, or analgesic drugs used in other vertebrates reduce stress in fish …

Anaesthetics are important in fish culture to reduce handling stress and mortality. Eugenol is
a promising anaesthetic because of its low cost, efficacy, safety margin for fish and lack of …

The present study investigated the use of benzocaine as an anesthetic for juvenile
Colossoma macropomum (tambaqui). In the first experiment, fish were exposed to various …

Increasing evidence suggests that oxidative stress may play a significant role in causing
microcystin (MCs) toxicity not only in mammals, but also in fish. MCs are a family of cyclic …

Os anestésicos são importantes na piscicultura para reduzir o estresse e a mortalidade no
manejo. Este trabalho tem como objetivo determinar a eficácia do mentol para tambaqui …

O tambaqui é a principal espécie de peixe cultivado na Amazônia Ocidental. Porém durante
o processo produtivo, práticas de manejo são necessárias para o monitoramento do …

The aim of this study was to evaluate the anaesthetic activities of the extractives of
Nectandra grandiflora and Spilanthes acmella in juvenile tambaqui fish, Colossoma …

Okadaic acid-group (OA-group) is a set of lipophilic toxins produced only in seawater by
species of the Dinophysis and Prorocentrum genera, and characterized globally by being …