Spontaneous activity was unaffected by ration size in Nile tilapia and gibel carp

Qian, X

doi:10.1006/jfbi.2000.1466

Cited by 2 publications

(2 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Zootec., v.37, n.6, p. [967][968][969][970]2008 crescimento (Fiogbé & Kestmont, 2003;Deng et al, 2003), tornando-se necessários ajustes constantes nas quantidades de ração a ser oferecida aos animais. A taxa de arraçoamento influencia o crescimento (Xie et al, 1997;Ng et al, 2000;Qian et al, 2001;Van Ham et al, 2003;Marques et al, 2004;Meurer et al, 2005), a conversão alimentar (Marques et al, 2004;Meurer et al, 2005), a natação (Qian et al, 2001), a digestibilidade (Xie et al, 1997) e a composição corporal dos peixes (Ng et al, 2000;Mihelakakis et al, 2002;Van Ham et al, 2003).…”

Section: Introductionunclassified

Níveis de arraçoamento para juvenis de trairão (Hoplias lacerdae)

Salaro

Luz²,

Sakabe

et al. 2008

R. Bras. Zootec.

View full text Add to dashboard Cite

Com esta pesquisa buscou-se avaliar diferentes níveis de arraçoamento, em porcentagem de peso corporal (PC), para juvenis de trairão em início do período de engorda. Peixes com comprimento de 15,0 ± 1,0 cm e peso de 38,5 ± 8,2 g foram distribuídos em seis aquários com 250 litros de água cada, em densidade de cinco juvenis/aquário. Utilizou-se delineamento inteiramente casualisado com três tratamentos (níveis de arraçoamento diário: 2, 4 e 6% PC) e duas repetições. Os juvenis foram alimentados com ração comercial extrusada (42% PB), às 8 e 13 h. Ao final de 45 dias, avaliaram-se a sobrevivência, a conversão alimentar aparente e os ganhos em biomassa, peso diário e comprimento. Não houve diferença para sobrevivência e ganhos em biomassa, peso diário e comprimento. Houve diferença para a conversão alimentar aparente em função do manejo adotado. Os melhores resultados de desempenho foram encontrados nos peixes alimentados com níveis de 2 e 4% PC de ração por dia. Conclui-se que a melhor taxa de arraçoamento para juvenis de trairão é de 4% PC.

show abstract

Section: Introductionunclassified

Níveis de arraçoamento para juvenis de trairão (Hoplias lacerdae)

Salaro

Luz²,

Sakabe

et al. 2008

R. Bras. Zootec.

View full text Add to dashboard Cite

show abstract

“…Spontaneous activity of hybrid tilapia was monitored for 5 days per tank using an activity monitoring system (Videomex V; Columbus Corporation, OH) as described in Qian et al (2001). Briefly, the system includes a video camera for photographing an object and a printer for printing a photographed image on paper.…”

Section: Methodsmentioning

confidence: 99%

Individual variations and interrelationships in feeding rate, growth rate, and spontaneous activity in hybrid tilapia (Oreochromis niloticus × O. aureus) at different feeding frequencies

et al. 2014

View full text Add to dashboard Cite

Summary A 30‐day growth trial was conducted to investigate the individual variations in feeding rate, growth rate, spontaneous activity, and their possible interrelationships in hybrid tilapia (Oreochromis niloticus × O. aureus) reared individually at feeding frequencies of one and two meals daily. Results show that the feeding rate in energy (FRe), specific growth rate in energy (SGRe), and food conversion efficiency (FCE) of fish fed twice a day were significantly higher than that of fish fed only once. However, no significant differences in distance or in time spent swimming were observed between the groups. SGRe was positively correlated with FRe in fish fed only once daily, and SGRe was positively correlated with food conversion efficiency in energy (FCEe) between the two groups. SGRe was only inversely correlated with the distance that fish swam when fed once daily. The results suggest that the individual growth differences of hybrid tilapia could be attributed mainly to variations in FRe, and that the energy costs of spontaneous activity play an important role in the differences at feeding frequency of one meal a day. However, at feeding frequencies of two meals a day, individual growth differences in fish may be caused by variations in FCEe, and energy costs of spontaneous activity have only marginal effects on the differences.

show abstract

Spontaneous activity was unaffected by ration size in Nile tilapia and gibel carp

Cited by 2 publications

References 7 publications

Níveis de arraçoamento para juvenis de trairão (Hoplias lacerdae)

Níveis de arraçoamento para juvenis de trairão (Hoplias lacerdae)

Individual variations and interrelationships in feeding rate, growth rate, and spontaneous activity in hybrid tilapia (Oreochromis niloticus × O. aureus) at different feeding frequencies

Contact Info

Product

Resources

About