The aim of this study was to compare the daily rhythm of reactive oxygen metabolites (hydroperoxides), and serum barrier to oxidation in five different mammal species. Five female Comisana sheep, five female Maltese goats, five female Bruna cows and five female Thoroughbred horses were housed separately in boxes equipped with an opening window and five female Blue Vienna rabbits were individually housed in metallic cages. All animals were kept under natural photoperiod and indoor environmental conditions. Blood samples were collected every 3 h over a 48 h period for the assessment of hydroperoxides, antioxidant barrier (Oxy-ads) and thiol-antioxidant barrier (SHp). A two-way for repeated measures ANOVA showed a significant effect of time of day and different species on all studied parameters. Daily rhythmicity of hydroperoxides, Oxy-ads and SHp were observed in all studied species. Nocturnal acrophases were observed in sheep, goats and rabbits, diurnal acrophases were observed in cattle and horse. We conclude that there is a synergism of the daily rhythms of hydroperoxides and anti-oxidant power in the different species studied, and that this synergism is typical of each species.

Comparison of daily rhythm of oxygen metabolites and serum barrier to oxidation in domestic animals

GIANNETTO, CLAUDIA;FAZIO, Francesco;CASELLA, stefania;ASSENZA, Anna;MARAFIOTI, SIMONA;PICCIONE, Giuseppe
2011

Abstract

The aim of this study was to compare the daily rhythm of reactive oxygen metabolites (hydroperoxides), and serum barrier to oxidation in five different mammal species. Five female Comisana sheep, five female Maltese goats, five female Bruna cows and five female Thoroughbred horses were housed separately in boxes equipped with an opening window and five female Blue Vienna rabbits were individually housed in metallic cages. All animals were kept under natural photoperiod and indoor environmental conditions. Blood samples were collected every 3 h over a 48 h period for the assessment of hydroperoxides, antioxidant barrier (Oxy-ads) and thiol-antioxidant barrier (SHp). A two-way for repeated measures ANOVA showed a significant effect of time of day and different species on all studied parameters. Daily rhythmicity of hydroperoxides, Oxy-ads and SHp were observed in all studied species. Nocturnal acrophases were observed in sheep, goats and rabbits, diurnal acrophases were observed in cattle and horse. We conclude that there is a synergism of the daily rhythms of hydroperoxides and anti-oxidant power in the different species studied, and that this synergism is typical of each species.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/1911846
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