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Domestication, sélection et comportement du bar: variabilité des aptitudes comportementales et de la tolérance au stress de groupes génétiquement distincts de bar, Dicentrarchus labrax ArchiMer
Millot, Sandie.
The culture of aquatic species has grown much more rapidly in recent years than that of terrestrial species. Consequently, aquatic livestock welfare is a growing concern for society. However, unlike the many studies of terrestrial animal welfare, few scientific data exist concerning fish welfare. It is generally recognized that the aquaculture environment exposes fish to many repeated stress factors which affect their health, growth, reproductive performance and feeding behaviour. Even if stress responses do not highlight all welfare disturbances, it is generally admitted that they reveal a poor welfare. Among the solutions investigated to reduce fish stress, domestication and selection appear to be the favoured approaches. However, selection has generally...
Tipo: Text Palavras-chave: Personality; Physiological status; Growth; Swimming behaviour; Feeding behaviour; Stress tolerance; Adaptation; Welfare; Chronic stress; Acute stress; Selection; Domestication; Dicentrarchus labrax; Personnalité; Statut physiologique; Croissance; Comportement natatoire; Comportement alimentaire; Tolérance au stress; Adaptation; Bien être; Stress chronique; Stress aigu; Sélection; Domestication; Dicentrarchus labrax.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/these-6272.pdf
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Evaluation of gastric anti-ulcer activity in a hydro-ethanolic extract from Kielmeyera coriacea BABT
Goulart,Yara Cavalcante Fortes; Sela,Vania Ramos; Obici,Simoni; Martins,Juliana Vanessa Colombo; Otobone,Fernanda; Cortez,Diogenes Aparicio; Audi,Elisabeth Aparecida.
The antiulcer activity of a hydro-ethanolic extract prepared from the stems of Kielmeyera coriacea Mart. (Guttiferae) was evaluated in rats employing the ethanol-acid, acute stress and Indomethacin models to induce experimental gastric ulcers. Treatment with K coriacea hydro-ethanolic extract provided significant antiulcer protection in the ethanol-acid and Indomethacin models, but not in the acute stress model. These results suggested that the K coriacea hydro-ethanolic extract increased resistance to necrotizing agents, providing a direct, protective effect on the gastric mucosa.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acute stress; Anti-ulcer activity; Ethanol-acid; Indomethacin; Kielmeyera coriacea Mart. (Guttiferae).
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000200007
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Correlation between tympanic and rectal temperature in marmosets (Callithrix penicillata) under acute stress Braz. J. Vet. Res. Anim. Sci.
Boere,Vanner; Silva,Ita Oliveira; Canale,Gustavo; Pianta,Taíssa; Tomaz,Carlos.
In veterinary practice, tympanic temperature (TT) measurement is not very disseminated. It is surprising, because TT could have advantages compared to the rectal temperature (RT). In the present study, we investigate (Callithrix penicillata), right TT, left TT and RT. We used an infra-red thermometer to measure the temperature in marmosets of tympanic membrane, and a digital clinical thermometer for the measurement of rectal temperature. Right TT was lower than left TT and RT. There was not statistical difference between left TT and RT. Correlation between left TT and RT was stronger than correlation between right TT and both, left TT and RT. This results suggests of a regional thermal dissociation and an asymmetric cerebral metabolism and body...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Marmoset; Callithrix penicillata; Tympanic temperature; Rectal temperature; Acute stress.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962003000800002
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Acute stress-induced antinociception is cGMP-dependent but heme oxygenase-independent BJMBR
Carvalho-Costa,P.G.; Branco,L.G.S.; Leite-Panissi,C.R.A..
Endogenous carbon monoxide (CO), which is produced by the enzyme heme oxygenase (HO), participates as a neuromodulator in physiological processes such as thermoregulation and nociception by stimulating the formation of 3′,5′-cyclic guanosine monophosphate (cGMP). In particular, the acute physical restraint-induced fever of rats can be blocked by inhibiting the enzyme HO. A previous study reported that the HO-CO-cGMP pathway plays a key phasic antinociceptive role in modulating noninflammatory acute pain. Thus, this study evaluated the involvement of the HO-CO-cGMP pathway in antinociception induced by acute stress in male Wistar rats (250-300 g; n=8/group) using the analgesia index (AI) in the tail flick test. The results showed that antinociception...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Heme oxygenase; Carbon monoxide; CGMP; Lateral cerebral ventricle; Acute stress; Antinociception.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2014001201057
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