The present study aimed at evaluating the effects of different doses of silymarin in diet on broiler performances and meat quality. For the trial, 180 male chicks (ROSS 508), were allocated in to three groups (S0, S40 and S80) of 60 animals each receiving a basal diet supplemented with 0 ppm, 40 ppm and 80 ppm of a sylimarin (provided by a dry extract of Silybum marianum fruits) respectively. During the trial feed consumption and live body weight were taken every 20 days. At the age of 40 and 60 days blood samples were taken in order to evaluate protein, aspartate aminotransferase, cholesterol, tryglicerides and uric acid. At the age of 60 days animals were slaughtered, dressing percentages were evaluated and samples of breast and meat were taken to evaluate chemical composition and susceptibility of lipid peroxidation by means of thiobarbituric acid reactive substances. Silymarin at the tested doses did not affect growth performances but slightly affected slaughtering yields negatively, no specific hepatoprotective effect was found. Treatments reduced lipid content of both breast and thigh and increased muscles resistance to oxidative stress.

Use of Silybum marianum fruit extract in broiler chicken nutrition: influence on performance and meat quality

SCHIAVONE, Achille;
2007-01-01

Abstract

The present study aimed at evaluating the effects of different doses of silymarin in diet on broiler performances and meat quality. For the trial, 180 male chicks (ROSS 508), were allocated in to three groups (S0, S40 and S80) of 60 animals each receiving a basal diet supplemented with 0 ppm, 40 ppm and 80 ppm of a sylimarin (provided by a dry extract of Silybum marianum fruits) respectively. During the trial feed consumption and live body weight were taken every 20 days. At the age of 40 and 60 days blood samples were taken in order to evaluate protein, aspartate aminotransferase, cholesterol, tryglicerides and uric acid. At the age of 60 days animals were slaughtered, dressing percentages were evaluated and samples of breast and meat were taken to evaluate chemical composition and susceptibility of lipid peroxidation by means of thiobarbituric acid reactive substances. Silymarin at the tested doses did not affect growth performances but slightly affected slaughtering yields negatively, no specific hepatoprotective effect was found. Treatments reduced lipid content of both breast and thigh and increased muscles resistance to oxidative stress.
2007
91
256
262
chicken; meat quality; sylimarin; Silybum marianum; thiobarbituric acid reactive substances
A. SCHIAVONE; F. RIGHI; A. QUARANTELLI; R. BRUNI; P. SERVENTI; A. FUSARI
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/23125
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