A: young cattle on a day per cow needs silage corn stalks 5--8 pounds, you can use some small amount of lees or some other weeds. Fine material need 3--5 pounds, including 60% cornmeal, wheat bran 30% (soybean or cottonseed, rapeseed) optional like 10%. 30 cows need a jin of salt a day, two weeks barn disinfected once regularly prevention. After the cattle into the ring began worming week intervals, the first and second minor intervals four days, two of which could use an insect net to clear. Fattening period: 8--12 per day per cow needs grass Jin, fine material 5--8 pounds, late 12 - 15 pounds of grass a day need fertilizer, fine material 8--10 pounds, plus the amount of 30% grass. Two: a weight of about 300 pounds Gailiangrouniu bull calves, requires an investment of about 2200 yuan per month on average about 300 pounds of grass, folded up and down cash 30l. Fine feed about 240 pounds per month, down 150 yuan cash discount. There are a variety of diseases such as bovine prevention and salt, according to 30 yuan per month is calculated. Feeding 200 head of cattle breeder need two people, two people preparations for forage and management. Monthly wage by 600 yuan per capita terms, raising a total of six months salary fourteen thousand four hundred yuan. But co-salary costs per cow 80 yuan. As the average monthly growth of 120 pounds six months so you can grow 720 Jin, plus the original 300 pounds to buy a total of 1000 pounds or more can be achieved. You can calculate the cost of feeding each cow as follows (1): The investment per head of cattle need about 2200 yuan (two): transportation, quarantine and other costs are expected to 100 yuan (three): feeding and management wage of 100 yuan ( four): grass plus fine material totaling about 1100 yuan (five): Disease Prevention and salt 200 yuan (six): Total cost per head of cattle to the slaughter of between three 2700--2900: feeding for six months plus to buy cattle 1200 kg is calculated by body weight can be sold for around 8400 yuan per head, removing the full cost per cow 2700--2900 yuan net profit that a cow is 5700-5000 yuan, in the case of bad management is not low in keeping six months nor less than 4,000 yuan.