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2023-12-07
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润达生物工程研究院长杜新永:通过制剂优化,拓宽噬菌体使用范围

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; text-align: left; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important; >     抗生素引发的耐药性问题愈发严重,威胁人类健康,国家也提出了肉鸡减抗方案。在此背景下,无抗、减抗、替抗呼声越来越高,抗生素减量化是综合技术的结果,其中噬菌体以其独特的性质受到行业的关注,为进一步推动噬菌体研究的快速发展,畜禽养殖业的健康发展为此,润达·瑞科盟举办首届 润达杯 白羽肉鸡产业发展大会及遏制耐药性研讨会与瑞科盟噬菌体研发及应用研讨会。邀请多位顶级学术专家共襄盛会,围绕 白羽肉鸡发展趋势、食品安全政策解读、耐压性现状及对策 等主题探讨当前中国白羽肉鸡发展趋势及应对策略和噬菌体的研发与应用。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; text-align: left; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important; >     

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >主题报告分为四部分:1:噬菌体研发现状,2:口服vs注射,3:   常噬:在肉鸡气囊炎治疗中的应用 、 4: 丁力优:早用早受益

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >一、噬菌体研发现状

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >噬菌体的前世今生:噬菌体的发现早于抗生素,但是抗生素符合现代工业化生产的方式,短短100年,已经彻底融入了人们的生活,而噬菌体,却在当今的时代背景下展现出了它独特的魅力。噬菌体100年前(Frederick, 1915; Felix d’Herelle, 1917)被发现时,就已经形成了共同的结论:噬菌体是地球上的古老生物之一,其存在之久、之广泛,远超人们的想象!

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >噬菌体可以治疗细菌性感染,却因为本身是病毒(出身不好);以及稳定性差,遭受冷落

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >抗生素的出现,更是彻底将 噬菌体治疗细菌病 打入了冷宫。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >近些年,随着细菌耐药性越来越广泛,越来越难以控制,噬菌体再度引发了研究人员的注意。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >细菌的耐药性的产生:抗生素降解酶,抗生素调节酶,抗生素外排泵。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >润达噬菌体研发历史:2014年关注噬菌体,从微生态与环境友好、可持续性发展的方向,关注了噬菌体项目。2015年项目启动,与专家合作,启动项目的研发工作。2016年 中试发酵,完成产品的中试,获得小批量生产的产品。2017年噬菌体推广,噬菌体在肉鸡养殖厂的推广,获得了70%的成功率。2018年产品定制,成立瑞科盟研发平台,通过云端监测,结合大数据,实现产品的定制。2019年功效提升,高效的产品,是今年努力的方向。通过制剂优化,拓宽噬菌体使用范围,噬箘体的企业国家标准的制定,产品报批。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >二、口服vs注射

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >噬菌体通过肠道黏膜进入血液循环

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >根据Krystina的研究结论,91份研究噬菌体入血实验的报告中,仅有1份宣称 噬菌体不能入血 ,而90份文献证实了噬菌体可以通过肠道吸收,进入血液循环。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >噬菌体入血的三种途径:肠道黏膜之间有隙缝,噬菌体无障碍进入血液循环(动物肠道有损伤),肠道黏膜选择性捕获噬菌体,转运入血液循环,肠道黏膜非特异性捕获噬菌体,转入血液循环中。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >青岛润达生物工程研究院的实验结果表明:噬菌体可以口服入血!

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >1.1 实验目的:

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >通过动物实验,验证噬菌体是否可以入血。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >1.2 实验步骤

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >肉鸡→灌服1mL噬菌体→3h,6h,9h采血→铺双层平板验证(血清)噬菌体是否可以入血

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >2. 实验结果

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >采用双层平板验证噬菌体是否可以入血,从以上图片可以看出,RDP-SA-17118、RDP-SA-33和RDP-EC-16029出现高活性噬菌体裂解斑,说明血清中含有这三种种噬菌体,即噬菌体可以通过口服后进入血液循环。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >动物免疫系统对血液循环中噬菌体的响应:进入血液循环中的噬菌体,会被动物体内的免疫系统(巨噬细胞)迅速清除。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >青岛润达生物工程研究院实验结果表明:

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >口服噬菌体2小时就能在血液中检测到噬菌体,24小时之后,血液循环中的噬菌体已经检测不到!入血后噬菌体,会在动物的脏器(心、肝、脾、肺、肾)中长期存在。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >青岛润达生物工程研究院的实验结果表明:

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >口服饲喂噬菌体之后,动物体内各大脏器均能检测到噬菌体的存在,肝脏内存留的噬菌体,能够有效杀灭宿主菌,可以达到预防细菌感染的效果。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >噬菌体诱发的特异性免疫反应

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >作为外源性的病毒颗粒,长期在动物脏器内存在的噬菌体,也能诱导清除性的免疫反应(抗体清除),无宿主菌存在时,20天后,粪便中的噬菌体完全消失,142天之后,脏器内的噬菌体被完全消除。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >为什么噬菌体的口服比肌肉注射效果更佳?

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >高浓度噬菌体进入动物体内,引发炎症反应,对动物是不良的应激现象

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >口服噬菌体在进入血液循环之前,经过肠道黏膜的 过滤 ,可以除去绝大多数毒素、不溶性颗粒等。口服噬菌体吸收量小,不易引发特异性免疫反应。而肌肉注射引发特异性免疫的可能性较大。一旦出现抗体,本次,以及再次使用噬菌体均无效。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >噬菌体对肠道的影响

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >结论:

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >(1)未攻毒组,噬菌体的使用,较大程度地提升了肠道菌群的丰度

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >(2)攻毒组,抗生素、噬菌体均较大程度地提升了肠道菌群的丰度;但是优势菌群不同,其中:使用噬菌体之后,变形杆菌数量提升明显,使用抗生素之后,megamonas(巨单胞菌)数量上升明显。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >三、常噬:在肉鸡气囊炎治疗中的应用

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; word-wrap: break-word !important; >

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >肉鸡气囊炎模型的建立

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >选择高致病性大肠杆菌,通过灌服、注射等方案,观察鸡群状况、记录死亡及发病状况,初始50只鸡,造模成功后,剩余35只鸡,随机分成5组,选择噬菌体作为实验对象;设定阴性对照与阳性对照,以及抗菌肽组,分别记录鸡群生长状况,实验开始时,肉鸡为11日龄。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >治疗前生长情况:使用高致病性大肠杆菌攻毒之后,鸡群出现明显的趴卧、聚堆、精神不振的状况采食饮水量下降,个别鸡甩鼻、肿眼、流泪。通过对各造模过程中死亡的肉鸡进行解剖,全都出现了气囊炎、包心包肝的症状。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >治疗后第4天鸡群情况:阴性对照组持续死亡,只剩2只;其他组情况均有所好转,趴卧、流泪等症状基本消失。其中,第5组(抗生素-2)迅速恢复健康,噬菌体组、抗生素-1组、抗菌肽组的鸡群死亡率大大下降,采食、饮水增加,腿、嘴部破溃逐渐好转。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >解剖观察气囊症状:给药10天之后,对不同实验组的肉鸡进行解剖,观察气囊炎的治疗效果,阴性对照包心现象明显,气囊仍有许多干酪样分泌物,抗生素-2气囊清亮,没有浑浊,噬菌体组、抗菌肽组、抗生素-1组气囊症状明显减轻,气囊基本明亮,基本无浑浊。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >结论:噬菌体可以用于气囊炎的辅助治疗。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >四、丁力优:早用早受益

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; word-wrap: break-word !important; >

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >丁力优:肉鸡肉鸭腹泻专用

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >益生菌调节肠道:丁酸梭菌、芽孢杆菌能够有效调节肠道菌群、抑制病原菌的繁殖、恢复肠道正常功能。噬菌体净化肠道:噬菌体选择性杀灭沙门氏菌、大肠杆菌等肠道病原菌,清理肠道,以及净化养殖环境。改善亚健康:灵芝多糖 活性肽提升养殖动物免疫力,解除养殖动物的亚健康状况。实验效果良好:丁力优在推广过程中,没有任何负面评价,对于腹泻、蛋鸡生长性能改善等,均有着非常明显的效果。

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >丁力优有效提升肠道健康:对照组出现腹泻之后,肠道绒毛可见明显受损情况;而丁力优组对于肠道绒毛的修复有着明显的效果

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >肉鸡全程使用 丁力优 方案:

inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 35px; box-sizing: border-box !important; word-wrap: break-word !important; >丁力优对肉鸡生长性能的影响:使用 丁力优 的实验组肉鸡生长性能均高于对照组,从体重、肠道长度的指数来看,效果最优组为4#栋;免疫器官指数各实验组均优于对照组,差别不大。可以看出,单独使用丁力优替代常规抗生素,或者丁力优与常规药物结合使用,均能够有效提升肉鸡的生产指数。实验组的料肉比、单只体重均优于平均值,说明使用丁力优之后,能够有效地降低料肉比、提高单只鸡的体重。


inkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; text-align: left; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important; >

      
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