Potential of a mixture of eugenol and garlic tincture to improve performance and intestinal health in broilers under necrotic enteritis challenge

作     者：Alip Kumar Nishchal K.Sharma Sarbast K.Kheravii Chake Keerqin Catherine Ionescu Alexandra Blanchard Shu-Biao Wu Alip Kumar;Nishchal K.Sharma;Sarbast K.Kheravii;Chake Keerqin;Catherine Ionescu;Alexandra Blanchard;Shu-Biao Wu

作者机构：School of Environmental and Rural ScienceUniversity of New EnglandArmidaleNSW2351Australia ADMi Pancosma SAA-One Business CenterLa piece 3CH-1180RolleSwitzerland 

出 版 物：《Animal Nutrition》 (动物营养（英文版）)

年 卷 期：2022年第8卷第1期

页      面：26-37页

核心收录：

学科分类：090502[农学-动物营养与饲料科学] 0905[农学-畜牧学] 0906[农学-兽医学] 09[农学] 

基　　金：The study was funded by ADMi|Pancosma SA A-One Business Center Switzerland 

主　　题：Plant extract Performance Alternative to antimicrobials Clinical necrotic enteritis Broiler chicken 

摘      要：Plant extracts(PE)are gaining increased attention as potential alternatives to in-feed antimicrobials(AM)due to their known antimicrobial *** study was conducted to examine the potential of PE,a microencapsulated product composed of eugenol and garlic tincture as an alternative to AM-agent on performance and intestinal health in broilers under necrotic enteritis(NE)challenge.A total of 960 dayold mixed-sex Cobb 500 chicks were randomly distributed to 48-floor pens with 6 treatments replicated 8 times with 20 birds *** 6 treatments were as follows:UC,unchallenged control;CC,challenged control;PE,challenged group plus PE;AM,challenged group plus AM;FAP,challenged group plus a full dose of AM with PE;HAP,challenged group plus a half dose of AM with PE in starter,grower and finisher *** in the challenged groups were inoculated with Eimeria *** d 9 and Clostridium perfringens on d *** body weight gain(BWG),feed intake(FI),feed conversion ratio(FCR),and livability of birds were compromised,and intestinal lesions and mortality were increased(P0.05)by NE challenge,illustrating a successful clinical NE *** fed AM had higher BWG and FI,and lower FCR,mortality,and intestinal lesions compared to the CC group(P0.05).Birds fed PE had improved FCR(P0.05)and livability(5.8%)in an overall period compared to the CC *** d 16,PE supplementation reduced ileal lesion scores in only male birds(P0.05).Birds fed PE had decreased Eimeria maxima and Eimeria acervulina oocyst counts in caecal content(P0.05).Birds fed PE had decreased Eimeria brunetti and total oocyst counts in caecal content,and *** oocyst counts in ileal content in only female birds(P0.05).On d 35,PE supplementation reduced variation of BW in both male and female birds and increased yellowness(b*value,14.4%)in the *** findings suggest the potential of PE supplementation in diets to improve the performance and intestinal health of birds under clinical NE a