Combining vast rural realities, a farm of 4 people owns 6 acres of arable land, removes 2,500 kilograms of wheat from remaining rations, 1,800 kilograms of corn, and obtains 2,500 kilograms of wheat straw and 2,500 kilograms of corn stalks, and promotes 5 types of farms suitable for family farming. Mode for reference. Households raising two dairy cows raise two dairy cows valued at 10,000 yuan. According to the five-year breeding period, the two cows share an annual cost of 4,000 yuan. The two cows need an average of 14 kilograms of concentrate per day and 5110 kilograms of concentrate per year. Calculated at 1.5 yuan per kilogram of concentrate feed (the same below), the cost of consumed concentrate feed was 7,665 yuan. Two cows need 24 kg of roughage a day and 8760 kg of roughage a year. Calculated at 0.2 yuan per kilogram of roughage (the same below), the cost of roughage consumed was 1752 yuan. The total cost is 13,417 yuan. Dairy cows have a lactation period of 305 days and produce an average of 18 kilograms of milk per cow per day. Two dairy cows produce 218,305 = 10,980 kilograms of fresh milk a year. The selling price per kilogram of fresh milk is calculated at RMB 2. The annual income of raising two cows is 109,802 = 21,960 yuan. After deducting the costs of fine, roughage and distribution, the profit can be 21960-13417=8543 yuan per year. Households raising two cows can make a profit of 85,435 = 42,715,500 yuan in five years. Households raising 5 beef cattle are calculated at 7 yuan per kilogram of body weight, and 5 130 kilograms of weaning yaks are priced at 4,550 yuan. After one year's breeding, the weight of the yak is 450 kg. During this period, 3,300 kg of roughage and 540 kg of concentrated feed are consumed per head. The cost of roughage consumed by 5 beef cattle is 3,3000.25 = 3,300 yuan. The consumption of concentrated feed (per kg The price according to 1.2 yuan) is 6401.25 = 3840 yuan. The total cost is 4550+3300+3840=11690 yuan. Five beef cattle weighing 450 kg can be sold for 45,075 = 15,750 yuan. The annual profit of raising five beef cattle is 15750-11690=4060 yuan. Households raising 10 finishing pigs are calculated based on the current market price (8 yuan/kg for 20 kg of piglets), and the cost for purchasing 10 piglets is 81,020=1,600 yuan. Each finishing pig is fed to 100 kg for a total of 240 kg of refined feed. Calculated at 1.6 yuan per kilogram of concentrate feed, the feed cost for 10 finishing pigs was 1.624010=3840 yuan. The two costs total 5440 yuan. The selling price of each finishing pig is calculated at 7.8 yuan/kg, and each batch of live pigs can be sold at 7.810100=7800 yuan. Each batch of fattening pigs can profit 7800-5440 = 2360 yuan. Feeding 3 batches throughout the year, a total profit of 23,603 = 7,080 yuan. The market price for lambs with 20 sheep and 15 kilograms of households is 7 yuan per kilogram of body weight, and the cost for purchasing 20 lambs is 72015 = 2100 yuan. Lambs were fattened for 4 months and weighed 35 kg. During this period, they consumed 2,400 kg of roughage and 720 kg of concentrate feed. The cost of roughage is 0.22400 = 480 yuan, and the cost of refined feed is 1.2720 = 864 yuan. The total cost is 2100+480+864=3444 yuan. 20 sheep slaughter income 73520 = 4900 yuan. Each batch of sheep received a profit of 4900-3444=1456 yuan. Feeding 3 batches throughout the year, the cumulative profit of 14563 = 4368 yuan. Households raise 500 to 1,000 chickens for example to raise 500 laying hens. A medium-sized breed of laying hens can produce about 280 eggs in a single egg production year, equivalent to an egg weight of 16.5 kilograms. 500 chickens produce 8,250 kg of eggs. The wholesale price per kilogram of eggs is calculated at 4.6 yuan, and the income of 500 egg hens selling eggs is 37,950 yuan. The price of each eliminated chicken is about 10 yuan, and 500 chickens that have lost eggs can earn 5,000 yuan. Total income is 42950 yuan. Feeding each layer of laying hens consumes about 46 kilograms of feed, and 500 hens consume 23,000 kilograms of feed. Calculated at 1.6 yuan per kilogram of feed, the feed cost was 1.623,000 = 36,800 yuan. Together with the cost of 900 yuan chicken, the total cost of 37,700 yuan. Feeding 500 layer chickens can earn 42950-37700=5250 yuan a year.
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