How can family pig farming make pigs gain two jin per day

In the course of pig farming practice, pig farmers have gradually worked out a technique of making a homemade high-energy biological preparation to add to pig feed. This method has the advantages of readily available raw materials, simple preparation, high efficiency, convenience and low cost. It is suitable for farmers to make and use themselves and can greatly improve pig farming benefits. The specific extraction, concentration and use technique is introduced below:
Material selection and preparation
Pig hair, chicken feathers and human hair, 1 kg each, washed clean without impurities, then sun-dried for later use.
Extraction method
Choose one large iron wok that can hold 80 jin of water, add 55 jin of water, bring to a boil over high heat at 100 degrees, then immediately add 1 kg each of clean pig hair, chicken feathers and human hair, then add 500 grams of A3 decomposition powder (sold in shops) and boil for five minutes. After everything has dissolved, concentrate and let cool. Filter and put into bottles, then seal. (This yields a practical and efficient solution of biologically high-energy active amino acids and methionine for later use.) One batch can meet the needs of 10-15 pigs.
How to use
Taking a 100-jin medium pig as the standard, add 8-10 grams of the growth agent to each feeding. After seven days the pig's body will look glossy, it will eat eagerly and sleep well, and weight gain will be obvious. A medium pig can gain 1.8-2.1 jin of body weight per day. This method has been proven time and again, reaching market weight in 100 days and saving about 1/3 of feed. It is especially effective for the "stunted pigs", "hot pigs" and "small old pigs" commonly seen in rural areas, with results seen in seven days. Under conventional farm feed conditions, this method enables meat pigs, by rapidly supplementing and absorbing active biological high-energy amino acids as well as protein and trace elements, to greatly improve pig farming benefits, and the meat quality is excellent and delicious, while the cost is low. Each pig costs only a few yuan to gain 2 jin per day. Farmers can make and use it themselves; the quality is reliable, and it is convenient and practical.