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安徽省阜南县焦坡乡刘屯村党支部书记张全建与其叔张玉斌于1986年11月买回同窝猪四头,每头猪均为18公斤左右。前者喂三头,后者喂一头。1987年2月,张全建开始对三头猪增喂沼肥水,当时三头总重量为150公斤,至5月26日总重为500公斤,较大一头为180公斤,另两头各160公斤。三个月三头净增重350公斤,每头平均增重116.5公斤,平均日增重1.15公斤。而张玉斌的一头,由于没增喂沼肥水,六个月仅增重62公斤,平均日增重0.34公斤。该县苗集区沈桥小学教师沈朝军1987年3月买回两头同窝猪,分别重10公斤和10.5公斤。两头分开饲养,前者试喂沼肥水,第一个月净增重10.5公斤,第二个月净增重14.0公斤;后者饲料和饲养条件完全相同,只是未掺和沼肥水,第一个月和第二个分别增重4.5公斤和7公斤。同时喂沼肥水
Zhang Quanjian, secretary of the Party branch of Liu Tu Village in Jiaopo Township, Funan County, Anhui Province, and his uncle Zhang Yubin bought back four litters in November 1986, each weighing 18 kg. The former fed three, the latter fed. In February 1987, Zhang Quanjian started to feed the three pigs with marsh water and fertilizer. At that time, the total weight of the three heads was 150 kilograms, and the total weight was 500 kilos on May 26. The larger one was 180 kilos and the other two 160 kilos each. Three three-month net weight gain of 350 kg, an average weight gain of 116.5 kg per head, the average daily gain of 1.15 kg. Zhang Yubin, on the other hand, did not increase the feed of marsh water and fertilizer by only 62 kg in six months, with an average daily gain of 0.34 kg. Shen Qiaojun, a teacher at Shen Qiao Elementary School in Miaofei District, bought two identical litters in March 1987, weighing 10 kg and 10.5 kg respectively. Two separate feeding, the former test-fed biogas fertilizer, the first month net gain of 10.5 kg net gain of 14.0 kg the second month; the latter feed and feeding conditions are exactly the same, but not mixed marsh water, the first month And the second weight gain of 4.5 kg and 7 kg respectively. At the same time feeding marsh water