Use of Broccoli (Brassica oleracea L. var. Italica) in Comparison to AscorbicAcid to Decrease Pulmonary Hypertension Syndrome in Broiler Chickens
2020
Babaahmadi Milani, Milad | Zamani Moghaddam, Abdol Karim | Khosravi, Zahra | Mohebi, Abdolnaser
BACKGROUND: Ascites syndrome is one of the most important metabolic disorders in growing broiler chickens world-wide. OBJECTIVES: This study investigated the effect of broccoli in comparison to ascorbic acid on controlling pulmonary hypertension syndrome (PHS) in broiler chickens. METHODS: A total of 144 one-day old chicks were randomly divided into four groups. Each group included 36 chicks with three replicates of 12 birds. Experimental treatments were control, ascorbic acid (500 mg/kg dietary), and two levels of broc-coli (0.5% and 1% dietary broccoli powder). Growth performance, hematocrit or packed cell volume (PCV), heterophil to lymphocyte (H:L) ratio, right ventricle to total ventricle weight ratio (RV:TV), serum biochemical factors, lipid peroxidation, total antioxidant capacity, as well as humoral and cellular immune responses were evaluated. RESULTS: Growth performance parameters improved in experimental treatments compared to control, even though it was not statistically significant. The RV:TV ratio in treatment groups was lower than control, and it was significant in ascorbic acid and broccoli 1% (p ≤0.05). H:L ratio decreased in treatment groups than control (p ≤0.05). Nitric oxide and HDL-C levels increased at both broccoli levels than control (p ≤0.05), but LDL-C and triglyceride levels decreased (p ≤0.05). Serum malondialdehyde (MDA) and total antioxidant capacity were lower and higher in treatment groups than control, respectively (p ≤0.05). There were no significant changes in other parameters. CONCLUSIONS: This research showed that addition of broccoli to the diet of broiler chickens, through improving anti-oxidant parameters, increasing serum nitric oxide levels, and decreasing blood pressure, blood lipids, RV:TV ratio, and mortality, could be effective to prevent PHS.
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