Effect of Low Ambient Temperature on the Concentration of Free Radicals Related to Ascites in Broiler Chickens
作者： Bo Han , Soon-Seek Yoon , Hong-Ryul Han , Wei-jie Qu , Fikru Nigussie
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摘要: A flock of Arbor Acres chickens were reared in cages and provided with high energy pelleted feed. At 14 d age, a total 350 birds separated into 3 groups randomly as follows: 100 exposed to ambient temperature 20°C control group, 150 lower 11°C induce ascites (group I), another group fed diet containing 1% L-arginine for ascitic prophylactic treatment II). Blood tissue samples (lung liver) collected from at 3, 4, 5, 6 7 wk age subsequently, analyze the concentration activities free radicals, mononaldehyde (MDA), superoxide dismutase (SOD), Nitric Oxide (NO) oxide synthase (NOS). The results showed that prevalence control, I II was 3%, 9.33% 3% respectively (p 0.05), also insignificant difference between NOS (p>0.05). this study indicate there significant decrease MDA II. On other hand, radicals decreased increased during period. reduction II, following arginine supplementation may be associated scavenging activity NO. (Asian- Aust. J. Anim. Sci. 2005. Vol 18, No. 8 : 1182-1187)
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