جستجوی مقالات مرتبط با کلیدواژه "جوجه گوشتی" در نشریات گروه "شیلات"

This study was done to investigate the effect of microencapsulated and non-encapsulated spirulina (Spirulina platensis) powder on the antioxidant enzymes activity and nutrient digestibility of broiler chicks for 6 weeks. A total of 360 one-day old broiler chicks (male) Ross 308 strain was divided into 9 treatments, 4 replicates (10 chicks in each replicate) in a completely randomized design. Experimental treatments include: basal diet without any additives (negative control), basal diet + antibiotic (positive control), 1-basal diet + vitamin E, 2-basal diet + 0.33% spirulina microencapsulated, 3-basal diet + 0.66% spirulina microencapsulated, 4-basal diet + 1% spirulina microencapsulated, 5-basal diet + 0.33% non-encapsulated spirulina, 6-basal diet + 0.66% non-encapsulated spirulina and 7-basal diet + 1% non-encapsulated spirulina. Results showed that the blood super oxide dismutase activity increased in chicks fed with encapsulated spirulina powder and non-encapsulated spirulina powder at the level of 1 percent (p<0.05). But the activity of catalase and glutathione peroxidase enzymes did not show any significant difference (p>0.05). The effect of experimental treatments on nutrient digestibility showed that no significant different experimental groups (p>0.05). The addition of spirulina powder and encapsulated spirulina powder increased antioxidant activity in the diet of Ross 308 broiler chicks.