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Performance, Immunity, Meat Composition and Fatty Acid Pattern in Broilers after Dietary Supplementation of Fermented Ginkgo biloba and Citrus junos

Ye-Jin Kim, Rubayet Bostami ABM, Islam MM, Hong Seok Mun, Seok-Young Ko and Chul-Ju Yang

Dietary Fermented Ginkgo biloba (FGLP) and Citrus junos Probiotics (FCJP) was evaluated on growth performance, immunity, cecal microbiology, meat composition and fatty acid profile in broilers. A total of 150 one day old Ross 308 broilers were randomly allocated to the 5 treatments (5 replicated pen of 6 birds/pen): 1) Control (corn-soybean meal based basal diet), 2) FGLP1: Corn-soybean meal based basal diet+5% FGLP, 3) FGLP2: Cornsoybean meal based basal diet+10% FGLP, 4) FCJP1: Corn-soybean meal based basal diet+5% FCJP, and 5) FCJP2: Corn-soybean meal based basal diet+10% FCJP. A significant increase in weight gain during starter (0-21 days), finisher (22-35 days) and overall period (0-35 days) was exhibited in FGLP2 supplemented group compared to control and other treatment groups (P<0.05); where better feed conversion efficiency was found after FCJP2 supplementation during finisher and overall period compared to control and other treatment groups (P<0.05). Serum IgG was elevated in FGLP and FCJP supplemented group relative to control birds (P<0.05). Meat composition data elucidated that, thigh meat crude protein and crude fat content was increased in FCJP1 supplemented group compared to control (P<0.05). There was found no significant differences in meat cholesterol content between control and treatment groups (P>0.05); however, among meat fatty acids, sum of SFA in thigh meat was diminished in FGLP group and sum of MUFA in breast meat was diminuted in FGLP and FCJP group compared to control (P<0.05). Sum of n-3 PUFA of breast and thigh meat was elevated after supplementation of FGLP and FCJP compared to control (P<0.05). To sum up, dietary FGLP and FCJP supplementation significantly improved performance and immunity, decreased SFA and elevated n-3 PUFA of broiler meat. Therefore, FGLP and FCJP probiotics could be supplemented as functional feed additives in broilers diet.