Abstract
ObjectiveThe objective of the present study was to determine whether mango saponin (MS) could be used as a feed additive in broiler chicks by evaluating growth performance, carcass characteristics, meat quality, and plasma biochemical indices.MethodsA total of 216 1-d-old Arbor Acres male broiler chicks were randomly assigned into three dietary treatments supplemented with 0 (control), 0.14% (MS 0.14%), or 0.28% (MS 0.28%) MS. Each treatment had six replicates (cages) with 12 chicks each. The feeding trial lasted for six weeks.ResultsCompared with the control, dietary supplemented with 0.14% or 0.28% MS increased average daily weight gain of chicks in the grower (22 to 42 d) and the whole (1 to 42 d) phases, and the final body weight of chicks on d 42 was higher in MS supplemented groups (p<0.05). Lower L45 min* (lightness) and L24 h* values, lower b24 h* (yellowness) value, and higher a45 min* (redness) and a24 h* values of the breast muscle were observed in chicks fed with 0.28% MS on d 42 (p<0.05). The total antioxidant capacity in plasma increased in MS 0.14% group on d 21 (p<0.001). Lower contents of plasma total cholesterol and triglyceride were observed in chicks fed with 0.28% MS on d 21 and d 42, whereas the group supplemented with 0.14% MS only decreased plasma triglyceride content on d 21 (p<0.05). The glucose content in plasma decreased in MS 0.28% group on d 42 (p<0.001).ConclusionOverall, MS could be used as a feed additive in broiler chicks, and the supplemental level of 0.28% MS in diet could improve growth performance, meat quality, and plasma lipid metabolism in broiler chicks.
Highlights
The phytogenic plants and extracts are nowadays utilized as new feed additives to replace feed antibiotics in animal feeds [1,2]
The final body weight (BW) of chicks at 42 d of age was increased in mango saponin (MS) supplemented groups compared with the control (p0.05)
A similar result was observed in fish, which reported that the tilapia, carp, and tortoise could grow more quickly when were fed with MS, and the enhanced immunity status may account for the improved growth [15]
Summary
The phytogenic plants and extracts are nowadays utilized as new feed additives to replace feed antibiotics in animal feeds [1,2]. Mango tree (Mangifera indica L.), which is known as an important cosmopolitan fruit species worldwide, grows in almost all ecological zones of the tropical countries of the world [3]. It is a typical multipurpose tree for its industrial and medicinal applications, which has significant economic values. Mango leaves have high content of phenolic compounds containing mangiferin, flavonoids, benzophenone, and gallotannins [6]. It has been reported that the mango leave extract is rich in potent antioxidant phenolic compounds [7] and has a high antioxidant activity, which is higher than that of β-carotene [8]. The mango leave extract has been demonstrated to have analgesic, anti-diarrheal, anti-inflammatory, antimicrobial, and antifungal activities, as well as hypoglycemic effects in rats [9]
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