[Objective]The paper was to study the effects of xylooligosaccharide(XOS)and probiotics(PRO)and their interaction on the production performance,egg quality and intestinal short-chain fatty acids of laying hens in late...[Objective]The paper was to study the effects of xylooligosaccharide(XOS)and probiotics(PRO)and their interaction on the production performance,egg quality and intestinal short-chain fatty acids of laying hens in late laying period.[Method]A total of 36074-week-old Romain brown laying hens were randomly divided into four groups,six replicates each group and 15 chickens each replicate.The trial lasted 63 d.The laying hens in control group(CON)were fed with basal diet,and those in experimental groups were fed with the basal diets adding with 150 mg/kg XOS(XOS group),100 mg/kg probiotics(PRO group),150 mg/kg XOS+100 mg/kg probiotics(XOS-PRO group).[Result]Compared with the control group,the laying rate,daily egg production,yolk ratio,colonic acetic acid and caecal propionic acid in XOS group increased significantly(P<0.05),and the feed gain ratio decreased remarkably(P<0.05).PRO had no significant effect on the production performance and egg quality of laying hens in late laying period(P>0.05),but significantly increased colonic acetic acid(P<0.05).XOS and PRO had no interaction effect on the production performance,egg quality and intestinal short-chain fatty acids of laying hens in late laying period(P<0.05).[Conclusion]Adding XOS to the diet of laying hens in late laying period could increase the content of short-chain fatty acids in the hindgut of laying hens,and effectively improve the production performance and egg quality of laying hens in late laying period.Adding PRO to the diet did not significantly improve the production performance and egg quality of laying hens,and there was no interaction effect between XOS and PRO.展开更多
电视节目制作环节,需要诸多技术以及设备的动力支撑,其中的Final Cut Pro 6为重要代表,若想使技术应用指标正常并提高节目制作质量,就要对传输、制作以及播送等各个环节进行把控,重视视频技术质量控制工作,以此为根本,将Final Cut Pro ...电视节目制作环节,需要诸多技术以及设备的动力支撑,其中的Final Cut Pro 6为重要代表,若想使技术应用指标正常并提高节目制作质量,就要对传输、制作以及播送等各个环节进行把控,重视视频技术质量控制工作,以此为根本,将Final Cut Pro 6技术的运用优势予以全面体现,进而为节目的规范制作打下良好铺垫,满足标清数字录制带录制的技术要求,最大程度的增强节目播出效果,也为节目的持续性发展注入充足的动力。展开更多
文摘[Objective]The paper was to study the effects of xylooligosaccharide(XOS)and probiotics(PRO)and their interaction on the production performance,egg quality and intestinal short-chain fatty acids of laying hens in late laying period.[Method]A total of 36074-week-old Romain brown laying hens were randomly divided into four groups,six replicates each group and 15 chickens each replicate.The trial lasted 63 d.The laying hens in control group(CON)were fed with basal diet,and those in experimental groups were fed with the basal diets adding with 150 mg/kg XOS(XOS group),100 mg/kg probiotics(PRO group),150 mg/kg XOS+100 mg/kg probiotics(XOS-PRO group).[Result]Compared with the control group,the laying rate,daily egg production,yolk ratio,colonic acetic acid and caecal propionic acid in XOS group increased significantly(P<0.05),and the feed gain ratio decreased remarkably(P<0.05).PRO had no significant effect on the production performance and egg quality of laying hens in late laying period(P>0.05),but significantly increased colonic acetic acid(P<0.05).XOS and PRO had no interaction effect on the production performance,egg quality and intestinal short-chain fatty acids of laying hens in late laying period(P<0.05).[Conclusion]Adding XOS to the diet of laying hens in late laying period could increase the content of short-chain fatty acids in the hindgut of laying hens,and effectively improve the production performance and egg quality of laying hens in late laying period.Adding PRO to the diet did not significantly improve the production performance and egg quality of laying hens,and there was no interaction effect between XOS and PRO.
文摘电视节目制作环节,需要诸多技术以及设备的动力支撑,其中的Final Cut Pro 6为重要代表,若想使技术应用指标正常并提高节目制作质量,就要对传输、制作以及播送等各个环节进行把控,重视视频技术质量控制工作,以此为根本,将Final Cut Pro 6技术的运用优势予以全面体现,进而为节目的规范制作打下良好铺垫,满足标清数字录制带录制的技术要求,最大程度的增强节目播出效果,也为节目的持续性发展注入充足的动力。
