Search Results - "Volpato, G. L"

Motivation and time of day affect decision-making for substratum granulometry in the Nile tilapia Oreochromis niloticus by Freitas, R. H. A., Volpato, G. L.

“…Proper substratum has been shown to enhance growth, production, survival and reproduction in Nile tilapia and other Cichlidae. Moreover, the Nile tilapia…”
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Environmental blue light prevents stress in the fish Nile tilapia by Volpato, G L, Barreto, R E

“…The present study aimed to test the effects of blue, green or white light on the stress response of the Nile tilapia, Oreochromis niloticus (L.). Each color…”
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Conditioning of stress in Nile tilapia by Moreira, P. S. A., Volpato, G. L.

“…A Pavlovian conditioning paradigm was used to induce a connection between a conditioned stimulus, light (CS), associated with an unconditioned stimulus,…”
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The effect of elevated blood cortisol levels on the extinction of a conditioned stress response in rainbow trout by Barreto, R.E., Volpato, G.L., Pottinger, T.G.

“…Following previously published observations that a conditioned response (CR) was lost more quickly by rainbow trout ( Oncorhynchus mykiss) exhibiting a high…”
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What to choose when the best preference is not available: does the Nile tilapia follow a linear sequence of preferences? by Maia, C. M., Volpato, G. L.

“…Preference tests have been applied to detect better welfare conditions for the animals. Among these tests, the available choice options are variable and thus,…”
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Physical and psychological motivation tests of individual preferences in rainbow trout by Maia, C. M., Ferguson, B., Volpato, G. L., Braithwaite, V. A.

“…Animal preference and motivation have been used to assess different kinds of environmental resources that may help improve welfare conditions. However,…”
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Environmental color affects Nile tilapia reproduction by Volpato, G L, Duarte, C R A, Luchiari, A C

“…We investigated the effects of environmental color on the reproductive behavior of Nile tilapia, Oreochromis niloticus. Two environmental colors were tested by…”
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Eye color as an indicator of social rank in the fish Nile tilapia by Volpato, G L, Luchiari, A C, Duarte, C R A, Barreto, R E, Ramanzini, G C

“…We investigated the association of eye color with the dominant-subordinate relationship in the fish Nile tilapia, Oreochromis niloticus. Eye color pattern was…”
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MS222 does not induce primary DNA damage in fish by Barreto, R. E, Gontijo, A. M. M. C, Alves-de-Lima, R. O, Raymundi, V. C, Pinhal, D, Reyes, V. A. V, Volpato, G. L, Salvadori, D. M. F

“…The genotoxicity of the anaesthetic MS222 (tricaine) was analysed in fish under both in vivo and in vitro conditions. Based on results of the single cell…”
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Chemical modulation on heterogeneous growth in Prochilodus lineatus (Valenciennes, 1847) (Pisces; Characiformes) by Barbosa, J M, Volpato, G L

“…In the present study, the effect of chemical factors released by conspecifics on growth variability (heterogeneous growth - HetG) in a gregarious fish species…”
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Chemical Communication, Aggression, and Conspecific Recognition in the Fish Nile Tilapia by Giaquinto, PercÍlia Cardoso, Volpato, Gilson Luiz

“…GIAQUINTO, P. C. AND G. L. VOLPATO. Chemical communication, aggression, and conspecific recognition in the fish Nile tilapia. PHYSIOL BEHAV 62(6) 1333–1338,…”
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Stress responses of the fish Nile tilapia subjected to electroshock and social stressors by Barreto, R E, Volpato, G L

“…Plasma cortisol and glucose levels were measured in 36 adult Nile tilapia males, Oreochromis niloticus (standard length, mean +/- SD, 14.38 +/- 1.31 cm),…”
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Agonistic profile and metabolism in alevins of the Nile tilapia by Alvarenga, Cláudia Maria Domingues, Volpato, Gilson Luiz

“…Metabolic differences derived from social stress usually show data with high variance that may hinder the finding of important differences. Since such high…”
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Substratum choice for nesting in male Nile tilapia Oreochromis niloticus by Mendonça, F. Z., Volpato, G. L., Costa-Ferreira, R. S., Gonçalves-de-Freitas, E.

“…Four substrata were offered to groups of adult Nile tilapia Oreochromis niloticus (one male and two females) simultaneously: pure sand, a mixture of sand and…”
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Visual communication stimulates reproduction in Nile tilapia, Oreochromis niloticus (L.) by Castro, A L S, Gonçalves-de-Freitas, E, Volpato, G L, Oliveira, C

“…Reproductive fish behavior is affected by male-female interactions that stimulate physiological responses such as hormonal release and gonad development…”
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Caution for using ventilatory frequency as an indicator of stress in fish by Barreto, Rodrigo Egydio, Volpato, Gilson Luiz

“…This study tested the use of ventilatory frequency (VF) as an indicator of stress in the Nile tilapia, Oreochromis niloticus (L.). Firstly, we tested the…”
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Behavioral response of Nile tilapia to an allopatric predator by Freitas, R.H.A., Volpato, G.L.

“…We investigated interaction of the Nile tilapia, Oreochromis niloticus, paired with either a predator, spotted sorubim, Pseudoplatystoma corruscans, or a…”
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Early Social Environment and the Fighting Behaviour of Young Oreochromis Niloticus (Pisces, Cichlidae) by Barki, Assaf, Volpato, Gilson

“…This study examines the influence of early experience with different forms of aggressive behaviour on the fighting behaviour of young fish. Fry of the cichlid…”
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Scientific Methodology Through the Looking Glass by VOLPATO, G. L.

“…Scientific methodology is undoubtedly a necessary discipline because it deals with how a scientist reasons. This reasoning is certainly useful also for fields…”
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Anesthesia of fish with benzocaine does not interfere with comet assay results by de Miranda Cabral Gontijo, Álisson Marques, Barreto, Rodrigo Egydio, Speit, Günter, Valenzuela Reyes, Victor Alexis, Volpato, Gilson Luiz, Favero Salvadori, Daisy Maria

“…Fish blood erythrocytes are frequently used as sentinels in biomonitoring studies. Usually, fish blood is collected by painful cardiac or caudal vein…”
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