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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2020, Vol. 8, Issue 4, Part A

Behavioural response, welfare, and performance of Nile tilapia (Oreochromis niloticus) under different water temperatures


Author(s): Enas N Said, Fayza Abd Allah Ahmed, Al-Sadik Y Saleem, Hesham H Mohammed, Mohamed YI Youssef and Azhar F Abdel Fattah

Abstract: This work was carried out to detect behavioural response, performance and welfare of Nile tilapia fingerlings under different water temperatures. Fingerlings were reared in eight 90-L aquaria in duplicate for 60 days with 15 fish per aquarium at different temperatures (20 °C (group1), 24 °C (group 2), 28 °C (group 3), and 32 °C (group 4). The results showed that group 4 was higher in surfacing, surface swimming and aggressive behaviour than other groups. While, group 3 was higher in middle swimming behaviour and crossing test than other groups, but bottom swimming behaviour was higher in group 1 than other groups. Also final body weight of group 3 was markedly greater than other groups, finally, it is concluded that a temperature 28 °C is the optimum for achievement of Nile tilapia welfare due to high body weight, lowering in surfacing, scratching and aggressive behaviour, increasing the ability of Nile tilapia for practicing swimming behaviour.

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How to cite this article:
Enas N Said, Fayza Abd Allah Ahmed, Al-Sadik Y Saleem, Hesham H Mohammed, Mohamed YI Youssef, Azhar F Abdel Fattah. Behavioural response, welfare, and performance of Nile tilapia (Oreochromis niloticus) under different water temperatures. Int J Fish Aquat Stud 2020;8(4):01-11.
International Journal of Fisheries and Aquatic Studies