Abstract
The aim of this study was to determine if total plasma homocysteine (HCY) concentrations and mortality rates due to ascites syndrome and (AS) sudden death syndrome (SDS) in broiler chickens could be lowered by diet. Elevated plasma HCY is an independent risk factor for cardiovascular disease in humans. A total of 828 day-old male broiler chickens (Arbor Acre) were fed, for 6 wk, either a basal practical diet or one supplemented with excess vitamins B6 and B12, folic acid and betaine to stimulate the degradation of HCY. The supplemented diet decreased plasma HCY by 17% (P < 0.05; n = 16 per diet). Total mortality due to AS and SDS was 18% lower in the supplemented diet but this difference was not statistically significant. Key words: Homocysteine, folate, chickens, cardiovascular disease, ascites, sudden death syndrome
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