All the technical indicators of the farm can be summarized in two indicators. The first is the number of weaned pigs per sow, followed by the feed ratio. It is also the key to the profitability of the farm. The following are the key technical measures to achieve this goal. I. Technology to provide 25 weaned pigs per year 1, early isolation weaning technology What is the concept of providing 25 weaned pigs a year? Look at the following formula: 365/(114+21+5)=2.61 That is, we guarantee 10 weaned pigs, and the breeding rate will reach 25 at the 96% level. It is not difficult for some pig farms to reach this level, but it is difficult to eliminate unsuccessful sows. The elimination rate of normal farms is 30% each year. If the elimination rate is less than 30%, the farm farms' index will not be very good. At present, domestic common 28-day-old weaning, 21-day-old weaning pigs needed for nutrition can now be fully achieved. There was no difference in the body weight of piglets up to 60 days of age. However, the sow utilization rate is increased. 2, do not raise a white eat Formulate a "powder elimination standard" suitable for this field and strictly implement it. Each day of non-production of sows will lose 20 yuan. Loss of 0.5 piglets in 3 days. 1) Eliminating sows with no cure for chronic illness. 2) Sows with more than 2 consecutive reflexes 3) Sows with more than 8 tires 4) Less than 20 consecutive litters 5) Two consecutive estrus sows 6) Sows with nipple deficiency (瞎 nipple, varus nipple, invagination nipple) 3, choose to back up 1) The number of litters of sows with a large number of teats has been proven to increase. Try to select 7 pairs of nipple sows. 2) The number of litters in the hybrid sows is higher. Local conditions are available for use. (Su Tai Pig) 3) Reserve pigs try to ensure that the first child is produced within one year, ie 260 pounds at 8 months of age. Premature breeding stocks will reduce the sow's useful life. The number of litters below 200 days is less, and will be reduced over 300 days. Practice has proved that the number of litters in the third and fourth rounds of estrus is 240 days in sows. 4, breeding 1) Whether artificial insemination or hygiene is a problem that is easily overlooked. In particular, cleaning the sows' vulva is recommended to wipe them with a dry towel or paper towel, which will not cause the vulva to absorb excessive bacteria. 2) Serve as much as possible before feeding in the morning. Or 1 hour after feeding. Avoid hot time. 3) According to the statistics of reserve pigs for three breedings, it is more reasonable to produce pigs twice. 4) Try to use a boar on a daily basis for the breeder's house. The estrus symptoms of modern sows are becoming less and less obvious. After the sow is estrus, the gilt sow can be found in 100% of the trials using the boar. 5) Do not blindly launch artificial insemination, according to the situation of their own farms using breeding methods. Both manpower and manpower have their own advantages. What is certain is that artificial insemination does not save manpower or costs. It is advisable to submit this method manually. 6) In principle, boars should not be bred more than once a day, with a minimum of 8 hours between 2 consecutive visits. 5, breastfeeding 1) Nursing sows eat 4 times a day more than 3 times and have an unlimited food intake. 2) Reasonable fostering will give full play to the sow's milking power. 3) Postpartum must ensure adequate and clean drinking water, and inject Houttuynia herb to reduce inflammation within 24 hours. Prenatal and postnatal health medicines are not recommended. Regular use of kidney medicine will increase resistance and less incidence of metritis. 4) Injecting 20 units of oxytocin into the sixth litter or postnatal postnatal nest is beneficial to lactation and reduce inflammation. 1) Avoid 30 days of pregnancy and 10 days before delivery. 2) Feeding in phases during pregnancy. After the breeding, it was limited to a daily feed of 2.0 kg for 21 days. After that, the pig feed was observed. 3) Try not to circle the group within 1 month of breeding. 7. Childcare 1) Weaning period after weaning to 60 days. Selecting a dedicated nursery material will give full play to the growth potential and lay a good foundation for fattening. 2) Drink enough water to clean, otherwise salt poisoning may cause individual neurological symptoms or sudden death. 3) Conditional size grouping, male and female grouping will improve the slaughter of the slaughter. 4) Maintain hygiene and temperature. 5) Make Mycoplasma, Swine Fever II, and Pseudorabies as appropriate. 6) Feed 8 times daily. 7) It is conditional to do all in and out. The cost of sows has dropped. How can the cost of fattening be reduced? Second, the measures to reduce the feed ratio 1. Effect of pig size on fattening effect Average daily weight gain (grams) Meat to meat ratio According to the current species and nutritional level lower than the above table material feed ratio. But it is enough to show that the herds are within 20 heads and 10 heads are the best. At the same time, according to the data, the original nest breeding and reducing the number of colonization (care and fattening in a circle) will also reduce the stress to reduce the feed to meat ratio. 2, ground intake, waste feed Reasonable use of advanced equipment is another condition for profitability. Experiments have shown that the feed-to-meal ratio of the dry and wet troughs will be reduced by about 2% compared with the automatic feed trough and ground feeding methods. There are still a lot of small and medium-sized pig farms that use cement or tin as an automatic chute. It was a few years ago and it was not practical. Sometimes the pigs can go to sleep, some time does not clean up, there is a dead end of the trough will be moldy, pigs in the trough inside the breathing is not smooth, the ground often have turned up the feed and so on. If the length of the long trough must be reasonable, there will be no phenomenon that the trough is not enough to cause snagging and eating unevenness. The length of the trough required to feed all pigs in a long trough feeding system at the same time is usually to multiply the shoulder width of the largest pig in the column by 110% and multiply this product by the number of pigs in the column. And draw. The recommended width of the feed slot is 12 cm at the weaning weight and increases to more than 33 cm when the pig reaches 110 kg. 3, full price feed Full price feed can reduce 0.2 feed ratio. Excessively high levels of nutrition can cause increased costs while increasing the burden on the gastrointestinal and kidney causes over-nutrition diseases. More common is the edema of piglets, which is actually protein poisoning. Excessive protein can also lead to fattening ammonia and respiratory diseases. Low levels of nutrition can lead to increased feed intake, longer growth cycles, decreased resistance, increased labor force, and reduced hopper utilization. At the same time bear the risk of disease. Excessive intake of feed will increase gastro-intestinal tract, causing sows to have fewer litters, smaller primary birth weight, larger bellies, and low lean meats. Therefore, it is better to lean and lean instead of seeking development in terms of quantity. The result can only be time-consuming and laborious. However, money does not make more profits. According to their own scale and conditions of test comparison, a reasonable choice of full-priced materials, concentrates, premixes. 4, disease Early treatment of umbilical hernias, scrotal hernias, and anus-reducing finishing pigs. If no treatment value should be eliminated soon. 5, material loss The feed at each stage has a strict particle size. The finer the particle size, the easier it is to absorb. Deratize each year. According to statistics, nearly 7,000 mice can be found in the 10,000 pig farms with 600 basic sows, and the food lost 100,000 yuan a year.
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6, pregnancy
40 643 1:4.4
30 645 1:4.2
20 669 1:3.7
10 709 1:3.4
