Raising a good pig and raising the economic income of raising pigs involves many aspects. To sum up, there are three sentences: one, two, and three. One, pig breed. Now the market needs lean-type pigs. The pigs are easy to sell and the price is high. Lean pig breeds include Yorkshire, Landrace and Duroc. The raising of commercial pigs (fat pigs) should raise their hybrid pigs, because hybrid pigs grow faster than purebred pigs, and they are less likely to get sick, so they can feed the province. The following two hybrid pigs are better: About Gram (parent) Landrace (mother) Landrace (Father) Yorkshire (female) Duroc (father) F1, from which sows are selected F2 All fattening Some places can not buy the above three The breeds, and the high price of these breeds, allow farmers to select sows from local hybrid pigs. Most areas in our province are Landrace pig hybrid pigs. When selecting sows, care should be taken to keep the body white hair, long waist, and seven pairs of teats. Such sows should be bred with Yorkshire or Duroc boars. It is also good to give birth to piglets. The feed conditions in the mountainous areas are poor, and the masses like to eat some of the fat. They can use the medium-sized Yorkshire or Yorkshire as males to produce commercial pigs. The second material is feed. Feed costs account for about 75% of pig production costs, and it is extremely important that feed science is formulated and used properly. Feeding pig feed (food) must be scientifically formulated according to the different types of pigs and the nutritional needs of the pig at different physiological stages. The pig's diet should be composed of the following feeds: 1. Energy feed: refers to corn, barley and other types of feed and bran, accounting for about 70% - 80% of the diet. 2, protein feed: divided into plant protein feed and animal protein feed. The former refers to soybean meal (cake), cottonseed meal, rapeseed meal, etc. The latter refers to fish meal, etc., which accounts for about 20% of the diet, but animal protein feed accounts for 2.5% of protein feed. 3, mineral feed: calcium (stone powder, bone meal, etc.) about 2%, phosphorus (calcium phosphate, bone meal, etc.) about 1% -5%, about 0.5% -1% salt. Also pay attention to vitamins and trace elements. Vitamin supplements can be fed with green fodder to achieve continuous greening throughout the year, feeding deep red clay, supplementing trace elements such as iron and copper. Three tubes, namely management. It is necessary to establish a strict management system, pay attention to mobilize the production enthusiasm of the keeper and give the pig a safe and suitable living environment. (a) Safety and epidemic prevention. Pig diseases, especially infectious diseases, are the enemy of pig production and can cause devastating losses to pigs. They must be defensive, focusing on prevention, prevention and treatment, and doing the following: 1. Choosing a good place to raise pigs. Stay away from the livestock market, slaughterhouses and villages; 2. There should be isolation facilities on the farms, disinfection pools in front of the door, etc.; 3. Establish scientific immunity procedures. Pigs should be given one swine fever, erysipelas, and lung disease vaccine every spring and fall (March-April and September-October). Sows should be immunized during the empty period. Piglets should be free from piglets at the age of 20-25 days; 4. Self-cultivation and self-cultivation, fat pigs all in and out; 5, strict health and epidemic prevention system, regular disinfection; 6. Newly purchased pigs must be isolated, feeding observation About 15 days, no disease can be bred in groups; (b) suitable for the living environment. 1. Different types of pigs must be kept in separate rows and cannot be raised together; 2. Each pig should occupy a certain circle area, for example, 0.8-1 m2 for fat pigs, and empty sows and pre-pregnancy sows can be 2-3 foreheads. Each head occupies 2-3 square meters, and is raised in the late pregnancy and lactation period, with 6-7 square meters per circle. Boar 8-12 square meters for a single raising; 3, pigs to do cool in summer and warm in summer, especially in nursing sows. Pigs can grow better at a suitable temperature, and their feed costs are high. The suitable turbidity of the pig t°C=26-0.06W, where W is the pig's body weight (kg). For example, if the piglet weighs 1 kg, its suitable temperature is t°C=26-0.061=25.94°C; 4. Pigs of different types and different physiological stages must feed different nutritional levels of diets, and they should also feed on time and in quantities. A meal of hungry meal, a meal as soon as possible; 5, fat pigs should not be raised too much. It is usually sold at a weight of 90-100 kg.
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