Calculation of the normal feed intake table and fattening pig production cost of pigs at each stage: According to the weight of the pig, the feed amount = actual body weight × coefficient, the coefficient is 0.05 for small pigs, 0.04 for medium pigs, 0.03 for big pigs, and the coefficient is also strong. Remember, that is, the feed coefficient of the pig. Or refer to the table below for feed selection: Table: Feed intake of pigs at different growth stages (weight: kg; daily feed: gram; day: day)
From the above table, we can know: (1) During the 7-50 day period from the start of feeding to the use of piglet feed: a total of 5.8 kg of feed material and 15.28 kg of suckling pig feed are consumed. (2) Piglets consumed a small pig feed from 50 days to 87 days (15 to 35 kilograms): 35.65 kg. (3) Middle pigs consumed a total of 80.8 kg of pig feed from 87 days old to 125 days old (35-65 kg weight stage). (4) Large pigs consumed a large pig feed from 125 days to 168 days (65 to 108 kg weight stage): 118.8 kg. (5) Small and medium-sized pig farms use a conservative estimate of 20 sows per year to calculate the cost. One sow consumes 1100 kg of feed per year. The sow feed cost is mainly for pregnant sow feed and lactating sow feed. The average price is : 2.56 yuan / kg, so the annual feed cost of a sow: 1100 × 2.56 = 2816 yuan, plus drug immunity and labor costs of 484 yuan, a total of 3300 yuan. In addition, the cost of purchasing sows is generally 1,800 yuan. As for the cost of purchase, the eliminated sows can be sold, which is about 1,800 yuan. The sows can now be sold according to relevant national regulations. Therefore, the purchase cost can be used for this income. To offset. The newly introduced gilts are about 4 months old and need to be kept for 3 months to breed. This consumes 240 kilograms of gilt feed. The cost is 240×2.49=598 yuan, plus the drug cost during the period is 42 yuan. And labor 200 yuan, a total of 840 yuan, after entering the production period cost calculation period, the production period is about 5 years (small and medium-sized pig farms are well treated, can reach the five-year use period), then the annual gilt breeding cost 840 ÷ 5 = 168 yuan. Therefore, the cost of the sow for one year is 3300+168=3468 yuan. From this it can be calculated that the cost of each newborn piglet (including the milk that feeds it) is 3468÷20=173 yuan. The total cost calculation table for each fattening pig to the market: kilograms, yuan/kg, yuan/head.
Note: The feed price can be found in the feed formula table at the end of the article, namely: 2,600 yuan/ton for piglets, 2,490 yuan/ton for pigs, 2,400 yuan/ton for pigs, and 2,420 yuan/ton for pregnant sows. Pig 2690 yuan / ton, gilt feed 2490 yuan / ton, 1 From the above table, the cost of raising a piglet more than 30 pounds is 173 + 46.4 + 91.68 = 311 yuan. 2 It can be seen from the table that the total production cost of a fattening pig is 80+890=970 yuan/head. 3 Net profit calculation: According to the current market: the price of live pigs is 15 yuan/kg, and the income from the sale of 108 kilograms of pigs is: 1620 yuan. The net profit is: 1620-970 = 650 yuan / head. If micro-ecological technology, fermentation technology, enhanced pig disease resistance, fine management of small and medium-sized pig farms, and new technologies to take care of pig welfare (such as activity field, fermentation bed technology, summer cooling measures, winter warming measures) Etc.), reducing the mortality and morbidity of pigs, can reduce the cost of this aspect by about 40 yuan, while the annual output of sows can be increased to 24, which can reduce the cost per head by about 30 yuan. 120 kilograms of barn, each head can increase profits by about 90 yuan, so strengthen management and raise 120 kilograms of weight can reproduce total profit: 160 yuan, so that the total profit per head can reach 810 yuan, here refers to the net profit . 4 Material-to-meat ratio calculation: It can be seen from the table: The ratio of feed to meat in the fattening stage from 15 kg to 108 kg is (35.65+80.8+118.8)÷(108-15)=2.53, if it is from weaning (28 days old) ) To the 108 kg stage, the ratio of meat to meat is: (15.28 + 35.65 + 80.8 + 118.8) ÷ (108-8) = 2.50. The ratio of meat to meat from 8 to 15 kg is 1.42.
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