Domestication strategies for the endangered catfish species Pseudopimelodus mangurus Valenciennes, 1835 (Siluriformes: Pseudopimelodidae).

Brazilian Journal of Biology = Revista Brasleira De Biologia
G F ShiguemotoG S Yasui

Abstract

Wild fish domestication can be considered a strategic approach to endangered species conservation, supporting studies and reducing economic and environmental costs. Three of the most important strategies in the domestication processes of fish are the adaptation of wild fish to captivity, the reproduction of the adapted fish and the production and maintenance of the young individuals. That being said, the present study is divided in three experiments: the 1st aimed to adapt wild Pseudopimelodus mangurus to captivity environment using different feeding approaches and a prophylactic strategie; the 2nd aimed to reproduce the adapted individuals from the 1st experiment; and the 3rd aimed to train the P. mangurus juveniles to accept commercial diets. The 1st and 2nd experiments were successful at the maintenance and artificial reproduction of P. mangurus kept in tanks between the reproductive seasons. The results suggest that the reproductive performance of animals kept in captivity (initial relative fertility-IRF = 609.25 ± 36.6 eggs/g) was similar (p > 0,05) to the performance found in wild individuals (IRF = 679.21 ± 45.66 eggs/g). Feed training of P. mangurus juveniles (3rd experiment) was also conducted, evaluating three feeding...Continue Reading

References

Oct 29, 2009·Zygote : the Biology of Gametes and Early Embryos·Violeta da Rocha PeriniNilo Bazzoli
May 14, 2017·Chemosphere·Thaís Maylin SobjakAna Tereza Bittencourt Guimarães
Jan 16, 2018·Zygote : the Biology of Gametes and Early Embryos·Matheus Pereira Dos SantosLaura Satiko Okada Nakaghi
Mar 29, 2018·Zygote : the Biology of Gametes and Early Embryos·Dilberto Ribeiro ArashiroJosé Augusto Senhorini

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