The effects of turmeric supplementation on antioxidant status, blood gas indices and mortality in broiler chickens with T₃-induced ascites

Abstract

1. A total of 320 one-day-old Ross male broiler chickens were used to investigate the effects of 0·0, 2·5, 5·0 and 7·5 g/kg turmeric rhizome powder (TRP) in the diet, on antioxidant status, biochemical gas indices and mortality in broiler chickens with triiodothyronine (T(3)) induced ascites. 2. The TRP supplementation had no effect on blood pH, pO(2) or pCO(2) during the whole period of study. Moreover, supplementation of TRP did not influence the heart weight, right ventricle, left ventricle, or total ventricle weights, all relative to total live weight; RV/TV (right ventricle to total ventricle) ratio; or serum GPX (glutathione peroxidase) or SOD (superoxide dismutase) activities at week 6. 3. TRP supplementation influenced the blood [Formula: see text] and O(2) saturation during the whole period of study, total mortality due to ascites, and serum total tocopherol and malondialdehyde (MDA) contents. Blood [Formula: see text] and serum total tocopherol increased linearly as dietary TRP level increased. Blood O(2) saturation increased quadratically as dietary TRP increased. 4. Total ascites mortality and serum MDA content decreased linearly with increasing TRP level to 5 mg/kg and then reached a plateau. 5. The results of the study indicate that the addition of 5·0 g/kg TRP is sufficient to increase the blood O(2) saturation and bicarbonate ([Formula: see text]) concentration, and reduce the mortality due to ascites and serum MDA content.

Effects of Dietary Supplementation with Turmeric Rhizome Extract on Growth Performance, Carcass Characteristics, Antioxidant Capability, and Meat Quality of Wenchang Broiler Chickens

“…The findings of the present study also demonstrated that dietary TRE supplementation could improve the antioxidant capacity of broilers by increasing SOD and GSH-Px activities and decreasing serum MDA concentrations in broilers. These results are in accordance with those of several reports of standard broilers (Daneshyar, 2012;Daneshyar et al, 2012).…”

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

“…However, the results of the current study regarding the higher meat TBARS content in 10 g/kg of sumac-fed birds conflict with those in Song et al's report, which may be related to a relatively intense oxidative stress in the current experiment owing to continuous heat stress. Daneshyar et al (2012) stated that inclusion of an antioxidant (turmeric rhizome powder) alone to the diets cannot improve the antioxidant defence system during intense oxidative stresses such as T 3 -induced ascites. The lower TBARS content of thigh meat in AT-fed birds of the current experiment is connected to the antioxidant ability of vitamin E. It is known that vitamin E is the first line of defence against lipid peroxidation.…”

Antioxidant Systems in Poultry Biology: Superoxide Dismutase

“…In fact, low availability of polyphenolic compounds for growing chickens, breeders and layers [112] is an important limiting factor of their biological efficacy and nutritive value. For example, there was no effect of dietary turmeric rhizome powder (0.25-0.75%) on the activities of GSH-Px and SOD in thigh muscle [113] or serum [114]. Feeding to broiler chicks diets enriched with selected herbal supplements failed to affect the growth performance of chickens at 42 days of age.…”