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益生菌技术

粪肠球菌在养殖生产中的应用

更新时间:2018-08-18 15:41:39点击次数:5570次
粪肠球菌能够提高家禽的生产性能。研究表明,产蛋鸡日粮中添加粪肠球菌可降低料蛋比,提高蛋重和产蛋率,改善蛋品质。唐文富等研究发现,在日粮中添加粪肠球菌可降低蛋鸭的耗料量和料蛋比,提高总蛋重,进一步发现日粮中添加粪肠球菌对提高蛋鸭的蛋品质同样效果显著。粪肠球菌通过增殖有益菌、抑制有害菌,调控肠道菌群平衡,促进肠道内合成大量的维生素、酶等物质,提高饲料的消化利用率,从而提高生产性能。

粪肠球菌对家禽生产性能的影响

粪肠球菌能够提高家禽的生产性能。研究表明,产蛋鸡日粮中添加粪肠球菌可降低料蛋比,提高蛋重和产蛋率,改善蛋品质。唐文富等研究发现,在日粮中添加粪肠球菌可降低蛋鸭的耗料量和料蛋比,提高总蛋重,进一步发现日粮中添加粪肠球菌对提高蛋鸭的蛋品质同样效果显著。粪肠球菌通过增殖有益菌、抑制有害菌,调控肠道菌群平衡,促进肠道内合成大量的维生素、酶等物质,提高饲料的消化利用率,从而提高生产性能。

粪肠球菌对家禽免疫功能的影响

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粪肠球菌对猪肠道菌群的影响

CHANGDAOJUNQUNSHIDIAOHUIDAOZHIJITIMIANYILIXIAJIANG,CONGERYINFAGEZHONGJIBING。DANGCHANGDAOJUNQUNWENLUANHOU,SHUANGQIGANJUN、RUSUANJUNDENGSHULIANGXIANZHUJIANGDI,SHAMENSHIJUNHEDACHANGGANJUNDENGSHULIANGZEXIANZHUZENGJIA,CISHIJIDONGWUBUCHONGYISHENGJUNNENGGOUXIANZHUYIZHIZHIBINGJUNDESHENGZHANG,ZENGJIAYOUYIJUNSHULIANG,CONGERJIANLIXIANZHUDEYOUSHIJUNQUN,DADAOWEIHUHUOHUIFUCHANGDAOWEISHENGTAIPINGHENGDEMUDE。

粪肠球菌对猪生产性能的影响

FENCHANGQIUJUNNENGGOUTIGAODONGWUDESHENGCHANXINGNENG。WEIQINGTIANDENGYANJIUFENCHANGQIUJUNTIDAIKANGSHENGSUDEKEXINGXING,JIEGUOBIAOMING,FENCHANGQIUJUNNENGXIANZHUGAISHANZIZHUBAOYUQIANQIDE13ZENGZHONGHELIAOROUBI。LIUHUIDENGZAIDUANNAIZIZHUSILIANGZHONGTIANJIAFENCHANGQIUJUNHOUFAXIAN,13ZENGZHONGTIGAOLE8.79%,LIAOROUBIJIANGDILE8.43%。HOULUZAIDUANNAIZIZHUSILIANGZHONGTIANJIAFENCHANGQIUJUNHOUFAXIAN,13ZENGZHONGTIGAOLE8.51%,LIAOROUBIJIANGDILE7.57%。SHIZITAODENGBAODAO,FENCHANGQIUJUNDUIZIZHUDEGAISHANZUOYONGYUTIANJIALIANGXIANGGUAN,13LIANGZHONGDEFENCHANGQIUJUNHANLIANGDADAO100WANHE1000WANCFU/gSHINENGXIANZHUGAISHANZHUDESHENGZHANGXINGNENG。

粪肠球菌对猪免疫功能的影响

动物体液免疫对抵抗疾病有重要作用,血清免疫球蛋白的含量可反映出体液免疫功能。粪肠球菌可提高猪血清中IgG和IgA含量,这表明粪肠球菌对提高猪的体液免疫有积极作用,其原因可能是粪肠球菌产生某些蛋白质和多肽类物质刺激机体的免疫系统。器官指数是生物学指标之一,一定程度上反映机体器官功能的强弱。史自涛等研究表明,粪肠球菌可在一定程度上促进断奶仔猪肝脏和脾脏的发育,改善其免疫功能,其原因可能是由于粪肠球菌自身作为一种抗原物质,有效刺激肝脏和脾脏的生长发育,另外粪肠球菌在断奶仔猪肠道中生长繁殖,合成的一些有益成分可能会对肝脏和脾脏的发育产生一定的刺激作用。

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