ANTIOXIDANT ENZYMES ACTIVITY AND LIPID PEROXIDATION IN SERUM, BREAST AND LEG MUSCLES OF BROILER CHICKENS REARED IN TWO DIFFERENT SYSTEMS AND EXPOSED TO ELEVATED AIR TEMPERATURE
Journal Title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica - Year 2017, Vol 44, Issue 338
Abstract
The aim of the study was to investigate possible oxidative damage in serum, breast and leg muscles in broiler chickens Ross 308 reared in two housing systems and exposed to high summer air temperature. 400 broiler chickens were divided into two groups (200 birde per group): I – birds kept on litter in an indoor system, II – chickens kept on litter with access to green paddocks. Birds were fed ad libitum standard diets based on concentrates. Throughout the study, birds had free access to water. Both groups were managed under uniform environmental (air humidity and temperature, lighting programme) and feeding conditions. In the 6th week of rearing, during high outdoor temperatures, antioxidant enzymes activity (CAT, SOD, GPx), glutathione (GSH) and malondialdehyde (MDA) concentrations in serum, breast and leg muscles tissues were investigated. In addition, blood and tissue samples were collected 1 day before high summer outdoor temperatures. The results showed that elevated air temperature initiates oxidative stress in broiler chickens, regardless of rearing system, but broiler chickens using green paddocks were characterized by a more stable antioxidant system. High air temperatures initiate lipid peroxidation as indicated by increased MDA levels, however leg muscles are more sensitive to the effect of oxidative stress than breast muscles.
Authors and Affiliations
Renata MUCHACKA, Agnieszka GREŃ, Edyta KAPUSTA, Iwona SKOMORUCHA, Ewa SOSNÓWKA-CZAJKA
Keywords
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- EP ID EP410421
- DOI 10.21005/AAPZ2017.44.4.14
- Views 102
- Downloads 0
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