补饲黑水虻幼虫对北京鸭生长性能、屠宰性能与肌肉品质的影响OA

This experiment was conducted to investigate the effects of dietary supplementation with Herme-tia illucens larvae(HML)on growth performance,slaughter performance and muscle quality of Pekin ducks.A total of 120 healthy 7-day-old Pekin ducks were selected and randomly divided into 5 groups.The five groups of ducks were fed with 5 kinds of diets respectively:100%commercial diet(control group),90%com-mercial diet supplemented with 10%black soldier fly larvae(HML10 group),80%commercial diet supple-mented with 20%black soldier fly larvae(HML20 group),70%commercial diet supplemented with 30%black soldier fly larvae(HML30 group),and 60%commercial diet supplemented with 40%black soldier fly larvae(HML40 group).After 32 days'feeding,the growth performance,slaughter performance and muscle quality of Pekin ducks were determined respectively.The results showed that the intestinal index in the HML30 group was significantly increased compared to the control group(P<0.05).Leg weight,leg muscle weight,leg ratio and leg muscle rate in the HML30 group were significantly higher than those in the control group(P<0.05).The crude protein content of pectoral muscle of the HML20,HML30 and HML40 groups was significantly elevated compared to the control group(P<0.05).Additionally,compared with the control group,the adhesiveness of breast muscle in the HML30 group was significantly higher(P<0.05),while the chewiness and cohesiveness of breast muscle in HML10 group,HML20 group,HML40 group were significantly increased(P<0.05).The springiness of breast muscle in the HML10,HML30 and HML40 groups was also significantly enhanced(P<0.05).In summary,the results demonstrated that supplementing≤30%HML in the diet did not affect the growth performance,while improving slaughter performances,nutritional quality,and texture quality of duck meat of Pekin ducks.