How much feed does it take to grow from a born pig to 50 kg?

(1) During the period from suckling pig feeding to 7-60-day-old piglets, * * * consumes 500g of feed, and suckling pig feed is 23kg of protective feed.

Therefore, we need to feed about 25 kilograms of feed. At this time, the pig is about 23 kg, nearly 50 kg. The feed for suckling pigs is more expensive. So we need to be around 60 yuan. However, the key point is that although newborn piglets only eat milk, their mothers and sows are constantly eating feed. So be sure to add the feed that sows usually eat when breastfeeding, and they are also eating feed when they are pregnant. So, you have to add the feed you ate when you were pregnant with them. According to the following calculation, it is about 173 yuan/pig. However, this is the result of previous price calculation. Now, you want 200 yuan/a little pig. So if it reaches 50 kg, 50 kg is estimated to require 260 yuan/head.

(2) Piglets aged from 60 days to 100 days (24-50kg weight stage: average daily gain of 680g) * * * Feed consumption of piglets: 5 1kg, and feed-meat ratio at each stage: 1.96 1.

⑶ 100 days old to 130 days old (50-75 kg weight stage: average daily gain of 830g) * * * The feed consumption of China pigs is 74kg, and the feed-meat ratio at each stage is 2.95 1.

(4) 130 days old to 168 days old (75 ~1/0kg body weight stage: average daily gain of 930g) * * * Pig feed consumption:110kg, stage feed.

5) The sow feeding cost is allocated to the cost of each surviving piglet, and the specific allocation calculation method is as follows:

The cost of small and medium-sized pig farms is calculated according to the conservative estimate that a sow can produce 20 piglets a year. A sow consumes feed 1 100 kg annually, and the cost of sow feed is mainly pregnant sow feed and nursing sow feed, with an average price of 2.56 yuan /kg. Therefore, the annual feed cost of a sow is 1 100× 2.56 = 286.

In addition, the cost of purchasing sows is generally 1.80 yuan. As for the acquisition cost, the eliminated sows can be sold, which is about 1800 yuan. At present, fertile sows can be sold according to relevant national regulations, so this income can offset the acquisition cost.

Newly introduced sows are about 4 months old and need to be raised for 3 months before breeding. Among them, 240 kilograms of sow feed is consumed, and the cost is 240×2.49=598 yuan, plus medical expenses 42 yuan, transportation and labor 200 yuan, and ***840 yuan. After that, it enters the cost calculation period of production period, and the production period is about 5 years (small and medium-sized pig farms take good care of them and can reach the service life of 5 years).

Therefore, the annual cost of sows is 3300+ 168 = 3468 yuan.

From this, the cost of each newborn piglet can be calculated (including the milk feeding it, excluding the feed cost, etc. ) is 3468÷20= 173 yuan.