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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.19.0179    [Accepted] Published online August 3, 2019.
Effects of supplemented culture media from solid-state fermented Isaria cicadae on performance, serum biochemical parameters, serum immune indexes, antioxidant capacity and meat quality of broiler chickens
Shaoshuai Liu1, Wenjuan Yan2, Chang Ma1, Yajing Liu1, Limin Gong1, Crystal Levesque3, Bing Dong1,*
1State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
2Zhejiang BioAsia Biomedical Co., Ltd., Pinghu, Zhejiang Province, China
3Monogastric Nutrition Department of Animal Science, College of Agriculture and Biological Sciences, South Dakota State University, Brookings, South Dakota 57007, United States
Correspondence:  Bing Dong, Tel: +86-13146195659, Fax: 010-62733688, Email: dongbing@cau.edu.cn
Received: 7 March 2019   • Revised: 2 June 2019   • Accepted: 6 July 2019
Abstract
Objective
The objective of this study was to investigate effects of supplementation of culture media from solid-state fermented Isaria cicadae on performance, serum biochemical parameters, serum immune indexes, antioxidant capacity and meat quality of broiler chickens.
Methods
A total of 648 Arbor Acres male broiler chickens(1 d; average body weight, 42.93 ± 0.47 g) were randomly assigned to 6 treatments, each with six replicates and 18 broiler chickens per replicate. Broiler chickens were fed phase I (d 1–21) and phase II (d 22–42) diets. The phase I diets were corn and soybean-meal based diets supplemented with 0, 2%, 4%, 6%, 8% or 10% culture media from solid-state fermented I. cicadae respectively. The phase II diets were corn and soybean-meal based diets supplemented with 0, 1.33%, 2.67%, 4.00%, 5.32%, or 6.67% culture media from solid-state fermented I. cicadae respectively.
Results
In phase I, the broiler chickens with the supplementation of culture media had increased body weight gain (BWG) and feed intake (FI) (linear and quadratic, p<0.05) with increasing inclusion of culture media. The levels of serum total antioxidant capacity (T-AOC), glutathione (GSH) and superoxide dismutase (SOD) increased linearly (p<0.05). In phase II, levels of serum T-AOC and Interleukin - 1β (IL-1β) increased linearly (p<0.05), and GSH increased (p<0.05). In the kidney, GSH and glutathione peroxidase (GSH-Px) concentrations increased (linear and quadratic, p<0.05) and SOD concentration increased linearly (p<0.05). Compared to the control, shear force and drip loss of breast muscle decreased (linear and quadratic, p<0.05). Drip loss of leg muscle decreased linearly and quadratically (p<0.05).
Conclusion
Dietary supplementation of culture media from solid-state fermented I.cicadae which was enriched in both wheat and residual bioactive components of I. cicadae enhanced the growth performance of broiler chickens. It also improved body anti-oxidative status and contributed to improve broiler meat quality.
Keywords: Culture Media of Solid-state Fermented I.cicadae; Serum Biochemical Parameters; Serum Immune Indexes; Antioxidant Capacity; Meat Quality


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