编辑同志:我家喂养的一头肥猪,最近突然食欲减少,逐渐消瘦。邻居说“猪可能长了类似牛黄、狗宝的朱砂,取出后能卖很多钱”。我很着急,猪真的长了“朱砂”还是患慢性病呢?请予答复。读者.明凤兰明凤兰同志:《新农业》编辑部转来你的信件,现将“朱砂”的知识简要介绍如下。朱砂为天然矿石,据《本草经集注》记载异名叫:丹砂、赤砂、辰砂。劈开辰砂矿石,即可取出岩石中夹杂着的少数朱砂。可利用浮选法取朱砂,将凿碎的砂石放在直径约尺余的洗盘内,左右旋转之,因其比重不同,故 Editor’s Comrade: A fat pig fed by my family, the recent sudden loss of appetite, and gradually weight loss. The neighbor said “the pig may have a similar cinnabar, dog treasure cinnabar, can be sold after selling a lot of money.” I am in a hurry, the pig is really long “cinnabar” or suffering from chronic diseases? Please reply. Ming Fenglan Ming Fenglan comrades: “New Agriculture” editorial department transferred your letter, now the “cinnabar” knowledge is as follows. Cinnabar as a natural ore, according to “Materia Medica” note alias called: Dan sand, red sand, cinnabar. Split cinnabar ore, you can remove the few mixed with the cinnabar in the rock. Flotation method can be used to obtain cinnabar, the chiselled gravel on the diameter of about more than the remaining pan in the left and right rotation, because of its different proportion, so