Abstract
Anacardic acid is naturally found in various parts of the cashew tree (Anacardium occidentale L.) and marketed as calcium anacardate. This product has antibacterial, antifungal and antioxidant activity, and has been used in humans in the treatment and prevention of cardiovascular and cerebrovascular diseases and tumors. In meat and egg production systems, anacardic acid is used as a substitute for growth-promoting antibiotics. The study objective was to evaluate effects of adding calcium anacardate as source of anacardic acid in laying Japanese quail diet on bird performance and eggs quality. A total of 252 Japanese quail with 22 week-old were studied, using a completely randomized design composed of six treatments with six replicates and seven quails per experimental unit. Treatments applied were: diet without growth promoter; diet with 0,1% growth promoter; and four diets without growth promoter and addition of 0.25; 0.50; 0.75 and 1.0% calcium anacardate (CA), respectively. The data were submitted to analysis of variance and treatment means compared with a SNK test (5%). The data from treatments containing CA were submitted to regression analysis. Treatments did not influence feed intake, egg production, egg weight, egg volume, feed conversion ratio and eggs quality parameters. The addition up to 1% of calcium anacardate in laying Japanese quail diet, does not influence their performance and egg quality.
Highlights
The routine use of antimicrobials in animal production opened the possibility of development or increase of microbial resistance in human medicine
The addition up to 1% of calcium anacardate in laying Japanese quail diet, does not influence their performance and egg quality
Among the various organic acid options, anacardic acid, a phenolic compound naturally found in various parts of the cashew tree (Anacardium occidentale L.), but most prominent in cashew nut shell extract, is notable for its antitumor, antibacterial, antifungal and antioxidant activity, and its ability to inhibit the enzymes tyrosinase, prostaglandin synthase and lipoxygenase (Toyomizu et al 2003)
Summary
The routine use of antimicrobials in animal production opened the possibility of development or increase of microbial resistance in human medicine. The response, a recent restriction or total ban on the use of antibiotics to promote growth in animal production, had led to important changes in poultry production systems These include research that looks at alternative boosting-growth substances and develops products with similar properties that can be used as bird feed additives. Among the various organic acid options, anacardic acid, a phenolic compound naturally found in various parts of the cashew tree (Anacardium occidentale L.), but most prominent in cashew nut shell extract, is notable for its antitumor, antibacterial, antifungal and antioxidant activity, and its ability to inhibit the enzymes tyrosinase, prostaglandin synthase and lipoxygenase (Toyomizu et al 2003) In humans it has been used in the treatment and prevention
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