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第六百九十三章 豆粕

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李植站在范家庄城外的养猪场,看着养猪场负责人龙名贵发酵出来的糟状物,点了点头。龙腾小说ltxsba.com

李老四站在李植身后,看着那浆糊一样地糟状物,好奇问道:“东家,发酵了的豆粕能给猪吃?我倒是没听说。以前大豆炼油炼完得到的豆粕都是拿去扔掉的,有毒,猪吃多了会病死的。”

李植点头说道:“这发酵豆粕可是个宝,龙名贵,你拿去喂给我们看看!”

龙名贵愣了愣,说道:“国公爷万金之躯!猪舍里面污脏,恐怕不是国公爷和总兵官们该去的地方!”

李老四说道:“龙名贵,我小时候可是喂过几年猪呢!”

李植挥手说道:“无妨,我们去猪舍,你找几头猪喂给我们看看!”

龙名贵唱了声喏,便让人提起一桶发酵豆粕,带着李植等人走进了猪圈。李植进了那猪舍里看了看,发现其实也不是特别脏。当初李植在建养猪场时候就反复强调要注意卫生,每个猪圈里都由专门的区域给猪排泄,猪圈里面都建有排水沟。养猪工人们每天提水来清理两次猪圈。所以整个养猪场虽然有臭味,但是还能忍受。

在养猪场不同的区域中有年龄不同的猪。在猪圈上挂着各式牌子,上面写着猪的各种参数,看上去颇有条理。

此时正是喂食的时间,饲养员们正推着一车车的猪食朝猪圈中投食。龙名贵找了一圈肥猪,将那一桶糟糟倒进了食槽中。

那糟糟一样的发酵豆粕一倒入,猪圈中的十只肥猪就冲了过来,围着猪槽一顿狂吃。显然,对于猪来说这糟糟十分香甜,甚至比红薯更加美味。只花了半分钟,十头猪就把一桶发酵豆粕吃了个干净。

李植问道:“猪不拉肚子?”

龙名贵从怀里掏出一个小盒子,取出里面一个菌饼交给李植看,拱手说道:“国公爷,我们按你说的方法分选培养‘发酵菌’,花了三年时间,终于找到了最合适的‘菌苗’。以前的发酵菌都没能把豆粕的毒素消除,猪吃了就生病,拉肚子。但是有了发酵菌苗则完全不同,能够将有毒的豆粕变成香甜的猪饲料。”

龙名贵说话的时候有些小心翼翼,津国公什么都懂的这个事实让龙名贵对李植十分的敬畏。百姓们都传说津国公是星宿下凡,龙名贵按李植教授的方法搞出发酵菌苗后,觉得这说法很可能是真的。

津国公点石成金,让无用的豆粕变成了宝贝。

“豆粕”就是大豆榨油后剩余的残渣。这种残渣富含各种营养物质,其粗蛋白含量大约在45%左右,并且富含其他营养物质,如1.5%左右的脂肪,12.5%左右的碳水化合物,多种矿物质、维生素及动物体内必须的氨基酸,尤其富含其它植物性饲料易缺的赖氨酸,其含量高达2.6%左右。

但是豆粕中存在胰蛋白酶抑制因子、大豆抗原等多种抗营养因子。由于这些“毒素”的存在,不仅让动物无法利用豆粕中的营养物质,而且大量食用会危害动物的生命。

所以在明朝,炼过油的豆粕全部被丢弃,最多拿来埋地里作为绿肥,无人拿来喂养动物。豆粕作为一种炼油后的垃圾,其价钱,几乎是不要钱。

这里面埋着一个巨大的商机。

要祛除豆粕的这些毒素,变废为宝,最好的办法就是发酵。在李植穿越前的二十一世纪,有毒的豆粕是一种最重要的猪饲料,正是因为发酵技术的存在。通过发酵菌发酵,豆粕中的毒素能够被极大的消除。

不仅如此,发酵过程还能提高活性肽、氨基酸等有益物质的含量,增加益生菌,让营养丰富的豆粕成为最香甜的猪饲料。

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