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生、熟全脂大豆对生长肥育猪组织器官的影响

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摘要 试验研究了全脂大豆对生长肥育阶段猪组织器官的影响。12头断奶去势长民仔猪(长白×民猪)随机分成3组,每组4头,单圈饲喂A、B和C三种饲粮,其中,A、B饲粮分别含15%的熟大豆和生大豆,C饲粮只含豆粕,不含全脂大豆。试验期为96d。肥育猪体重约100kg屠宰,测定组织器官相对重量和大肠、小肠的长度并在光学显微镜下观察大肠、小肠的组织学变化。结果表明饲喂生大豆饲粮猪的小肠长于饲喂另外两种饲粮猪的小肠,大肠却短于后两者。小肠和胰腺相对重在饲粮间存在差别,饲喂生大豆饲粮猪的小肠重于熟大豆和对照饲粮(P<0.05),胰腺重也是前者显著重于后两者(P<0.01),其它组织器官未发明显差异。组织切片观察发现,含生大豆的饲粮与熟大豆和豆粕饲粮组相比,对猪小肠绒毛的损害程度严重,而且大肠肠腺也深于采食其他两种饲粮猪。
出处 《畜牧与兽医》 北大核心 2006年第12期35-37,共3页 Animal Husbandry & Veterinary Medicine
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