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第一百七十二节 饲料

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“先给卫生部解剖,解剖完了再给大伙吃好了。”

“用来生理解剖是可以的,做病理试验的就不行了。”

“这个自然。”吴南海忽然想了起来,“临高我记得有野兔,你就没想过用当地的野兔改良扩大种群。”

“不是很合适。而且野兔带可能携带病毒,万一传播起来就惨了。”

最后他们来到了临近河边的荒地,这里已经接近夏季文澜河的最高水位线,砂土壤里种着花生和西瓜,稍远的地方有几个大型的池子,有渠道彼此连接着,散发着臭气。吴南海知道这是田九九搞得生化污水处理系统。养殖场是污水大户,冲洗笼舍会产生大量富含有机物的废水,光用沼气池是无非处理的,所以搞了个生物处理系统,污水先经过沉淀池沉淀,再放入处理池中,用种植水生植物的方法吸附水中的超量的氮、磷。

几个池子上面漂浮着密密麻麻的绿萍,劳工们正从池子里捞取绿萍――绿萍是很好的青饲料和堆肥的来源。离这里不远处就是养殖场的贮青池。

“池子里的绿萍也是饲料的来源。”杨宝贵很严肃的问吴南海:“农委会看样子对养殖业抱着很大的期望。我就想知道饲料的事情你们考虑过吗?要知道没有粮食就没有养殖业。”

“当然考虑过。”

吴南海把饲料解决方案说了一下,准备通过三个环节来解决。

最主要的淀粉质饲料准备用扩大红薯种植的解决。包括红薯本身以及红薯深加工中产生的副产品,如淀粉水、粉渣。

其次是青饲料类,在现代农业里主要是搞玉米青贮。在中国因为粮食宝贵,推行的是玉米秸秆青贮法。在临高农委会连玉米都没有,是用青贮苜蓿和其他一些豆科饲料作物,还有就是红薯叶。另外,种“十边”等零星土地上的南瓜、西葫芦之类的高产蔬菜也能提供一部分饲料。

最要紧的蛋白质饲料,一是搞蚯蚓和苍蝇蛆养殖,二是通过回收榨油作业中的副产品,如豆饼、花生饼、椰子油饼。博铺的海产品厂也能提供一部分杂鱼和鱼下脚料制造的鱼粉。

饲料里的添加剂,钙可以直接回收蛋壳和骨头制造,也可以添加石粉。盐他们本来就不缺少,有必要的话还可以从海带海草里获得一些微量元素的补充。

稻草、米糠、红薯皮之类的农产品加工的副产品,作为饲料不甚理想,但是可以作为一种补充,特别是进行加工之后,也能为牲畜较好的吸收利用。

这样算来,饲料的来源还是相当广泛,在目前的养殖规模下还不至于出现饲料匮乏的情况。按照法石禄等人的估计,下半年红薯收获之后饲料供应状况会相当的充裕,也正好赶上当年秋季的家畜产仔高峰。

“上次法石禄和我说过,要开动脑子,不能总想着玉米红薯。还可以从野外的植物中获得大量的补充――过去农村里小孩子还要去打草喂猪呢。”

“临高有这样的植物吗?”

“当然有。都是各地常见的植物。象什么俭草、狗尾草、马蹄子草、碱草、稗草这些禾本科的野草用来打浆、青贮喂猪,效果都不错。豆科的野草就不用说了,大伙都知道。野菜类的灰菜、猪毛菜、刺儿菜、马齿苋、野苋菜、苦苣菜、牛舌菜、拉拉藤,全都可以生喂或者发酵之后用。还有就是青绿树叶类的,杨树叶、柳树叶、榆树叶、桑树叶之类。虽然不能说遍地都是,也不算少见。发动学生和公社里的半劳动力作为副业搞也能弄到很多。”

“说真得,当时我还挺想带水葫芦来的,这玩意河道里捞起来都是成吨成吨的,夏季爆发的时候能堆积成堤坝。比你搞人海战术搜集饲料有效率多了。”

“这种入侵物种还是算了,长期看来后患无穷。前人的错误我们就不要再闹一次了。绿萍也够用了。本来还打算带罗非鱼和小龙虾。后来都否决了。”

这个问题在穿越前的物资准备阶段曾经引起过极大的争议,包括罗非鱼、小龙虾之类纷纷在争论中落马。最后决定这些有争议的品种一律不带,反正它们都存在在地球上,哪天需要的时候就地养殖就是了。

“小龙虾不错的,太可惜了。大伙都爱吃。”

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