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

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.

Physiological Panel of Some Feed Additives for Turkey Toms

“…Meanwhile, the serum total antioxidant capacity (TAC) recorded significant higher values in all experimental groups compared to that level of control. At the same time, the present values of MDA for groups supplemented with (T) is opposite to the finding of Bolukbasi et al (2006) and Schiavone et al (2007) who considered thyme leaves and their contents of biphenylic as well as flavinoid compounds have been found to exhibit antioxidant capacity. As well as Rahim et al (2011) assured that thyme and oregano contain large amount of monotrepens thymol, carvacrol and flavinoids are exerting antioxidant properties.…”

“…Moreover, the phenolic trepens improved stability of poultry production by decreasing lipid peroxidation. (Schiavone et al, 2007) suggested that high antioxidant activity of the thymol is due to the presence of phenolic hydroxy (OH) group that act as hydrogen donors to the proxy radicals which are produced during the first step of lipid oxidation which in turn retard the hydroxyl peroxide formation.…”

Effects of Rhus coriaria on nutrient composition, thiobarbituric acid reactive substances and colour of thigh meat in heat-stressed broilers

“…Nowadays, medicinal plants are receiving lots of attention as feed additives (Abdulkarimi et al, 2011;, especially as natural antioxidants. Silybum marianum fruit extract has been reported to reduce the lipid concentration of the thigh muscle and to increase the muscle's resistance to oxidative stress in broilers (Schiavone et al, 2007). Ciftci et al (2010) reported that hypocholesterolemic and antioxidant characteristics of cinnamon oil are related to better quality of meat.…”

Study on Silybum marianum Seed through Fatty Acids Comparison, Peroxide Tests, Refractive Index and Oil Percentage

“…1 Nutritional deficiencies or disturbances can depend on different factors and cause a variety of diseases. 2 Silybum marianum (family: Compositae) is an annual or biennial plant, native to the Mediterranean area and now it known to have spread to other warm and dry regions. 3 This plant also grows in many regions in Iran.…”