Cholinesterase inhibition and behavioral toxicity of carbofuran on Oreochromis niloticus early life stages

2011 ◽  
Vol 105 (3-4) ◽  
pp. 312-320 ◽  
Author(s):  
P.C. Pessoa ◽  
K.H. Luchmann ◽  
A.B. Ribeiro ◽  
M.M. Veras ◽  
J.R.M.B. Correa ◽  
...  
Keyword(s):  
Oreochromis Niloticus ◽  
Early Life ◽  
Cholinesterase Inhibition ◽  
Life Stages ◽  
Early Life Stages ◽  
Behavioral Toxicity

scholarly journals Efficiency of eugenol as anesthetic for the early life stages of Nile tilapia (Oreochromis niloticus)

2015 ◽  
Vol 87 (1) ◽  
pp. 529-535 ◽  
Author(s):  
Paula A.P. Ribeiro ◽  
Kleber C. Miranda-Filho ◽  
Daniela C. de Melo ◽  
Ronald K. Luz
Keyword(s):  
Oreochromis Niloticus ◽  
Early Life ◽  
Nile Tilapia ◽  
Life Stages ◽  
Early Life Stages ◽  
Farmed Fish ◽  
Group V ◽  
Group Iii ◽  
Group I ◽  
Nile Tilapia Oreochromis Niloticus

In aquaculture, activities with anesthetic compounds are usually used in order to ensure the welfare of farmed fish, allowing handling out of water with decreased trauma by stress. Presently, there is no information about anesthetic action of eugenol in early life stages of Nile tilapia (Oreochromis niloticus). The objective of this study was to evaluate different concentrations of eugenol for larvae and juveniles of Nile tilapia. Sixty animals were used for each group of weight, group I = 0.02 g; group II = 0.08 g; group III = 0.22 g; group IV = 2.62 g; and group V = 11.64 g. The eugenol concentrations tested were 50, 75, 100, 125, 150 and 175 mg L-1. No mortality was reported during the tests with eugenol. Tilapia larvae with 0.02 g and juveniles around 11.64 g can be anesthetized with eugenol concentrations between 150 and 175 mg L-1, since they determine the shortest sedation time (23 and 72 seconds, for the group of lowest and highest weights, respectively).

Toxicity of palm oil mill effluent on the early life stages of Nile tilapia (Oreochromis niloticus, Linnaeus 1758)

2020 ◽  
Vol 27 (24) ◽  
pp. 30592-30599 ◽  
Author(s):  
Muliari Muliari ◽  
Ilham Zulfahmi ◽  
Yusrizal Akmal ◽  
Ni Wayan Kurniani Karja ◽  
Chairun Nisa ◽  
...  
Keyword(s):  
Palm Oil ◽  
Oreochromis Niloticus ◽  
Early Life ◽  
Nile Tilapia ◽  
Palm Oil Mill Effluent ◽  
Life Stages ◽  
Early Life Stages ◽  
Nile Tilapia Oreochromis Niloticus ◽  
Palm Oil Mill

Natural and anthropogenic effects on the early life stages of European anchovy in one of its essential fish habitats, the Guadalquivir estuary

2019 ◽  
Vol 617-618 ◽  
pp. 67-79 ◽  
Author(s):  
GF de Carvalho-Souza ◽  
E González-Ortegón ◽  
F Baldó ◽  
C Vilas ◽  
P Drake ◽  
...  
Keyword(s):  
Early Life ◽  
Anthropogenic Effects ◽  
Life Stages ◽  
Early Life Stages ◽  
European Anchovy ◽  
Guadalquivir Estuary ◽  
Fish Habitats

Incubation Temperature Influences the Duration of Egg Hatching and Early Development in the Boreal Digging Frog, Kaloula Borealis

2020 ◽  
Vol 3 (1) ◽  
pp. ACCEPTED
Author(s):  
Rho-Jeong Rae
Keyword(s):  
Water Temperature ◽  
Early Life ◽  
Rainy Season ◽  
Incubation Temperature ◽  
Life Stages ◽  
Early Life Stages ◽  
Egg Hatching ◽  
Significant Difference ◽  
The Mean ◽  
Hatching Rates

This study investigated the boreal digging frog, Kaloula borealis, to determine the egg hatching period and whether the hatching period is affected by incubation temperature. The results of this study showed that all the eggs hatched within 48 h after spawning, with 28.1% (±10.8, n=52) hatching within 24 h and 99.9% (±0.23, n=49) within 48 h after spawning. A significant difference was noted in the mean hatching proportion of tadpoles at different water temperatures. The mean hatching rates between 15 and 24 h after spawning was higher at a water temperature of 21.1 (±0.2) °C than at 24.1 (±0.2) °C. These results suggest that incubation temperature affected the early life stages of the boreal digging frog, since they spawn in ponds or puddles that form during the rainy season.

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