1, the design of housing: sub-living room and outside the nest room. The Liwo Room is a place for the “wild boar†to eat and sleep. The area is about 3.5 meters long and 2.5 meters wide; the outer nest room is a place for exercise, sun exposure, and drinking water. It has a drinking water tank and has an area of ​​1.5 in the Liwo Room. Times. Inside and outside the chamber are paved with cement and sand paddles, but not too smooth and slightly sloped, in order to urinate and flush, keep the pens dry and clean. The difference between wild boar and domestic pig pens is to build a passage 1.2 meters away from the outer nest so that the boar can be bred into any shed where the gilt has been bred, and then fed back to the original nest for feeding.
2. Feed formulation: 22% of corn flour, 30% of wheat bran, 5% of bean dregs or a little soybean, 22% of panax notoginseng and 20% of green feed. Plus, amino acids (per head per day) 15-40 grams, 0.5% iodized salt, bone meal 0.5%.
3. Prevention and treatment of major diseases:
(1) Prevention and treatment of swine fever: 5ml intramuscular injection of anti-swine serum every day, twice a day, even for 3-4 days, can also be used in large doses (230-50 heads). Intramuscular injection.
(2) Prevention and cure of swine lung vaccine: first use penicillin 1.8 million 2 intramuscular injection (weight less than 75 kg), and then injecting ofloxacin 5 ml 2 twice a day for three days with excellent results.
(3) Prevention and treatment of swine erysipelas: The disease is also called "fighting."
Control methods can be based on 40,000 units per kilogram of body weight penicillin deep intramuscular injection twice daily for 3-5 days, and with a thick soap and water to wipe the pig body, rubbed into a soap bubble covering the state of the pig body, there are wonders.
Breeding and management of sows
1 Feed amount: The daily feeding amount was between 2.5 kg and 3.0 kg, and 34 batches were fed daily.
2 Estrus: Generally, the piglets are weaned about 57 days after weaning. Each estrus cycle is between 1824 days and the duration of the affection period is 4872 hours. Obvious estrus symptom is 24 hours after estrus. The appearance of the estrus in the pus is swelled, sometimes There is a small amount of mucus outflow, willing to approach the boar, to accept the boar cross, loss of appetite.
3 Breeding: Under normal conditions, female wild boars are normally estrus and mated 517 days after weaning. The replacement gilt age should be at 1014 months of age. The weight should be set at 6575 kg. Breeding performance will also affect its own development and reduce its lifetime reproductive performance. Late breeding will increase the cost of cultivation and affect the amount of lactation after farrowing. When a female wild boar reaches sexual maturity, an intrinsic sexual cycle occurs, which is also known as the estrus cycle (usually, the interval between the last estrus and the next estrus is called the estrus cycle). Purebred wild sows each year in the spring and autumn estrus is a seasonal estrus; domesticated hybrid wild sows have an average estrous cycle of 20 days, and the range is mostly 1824 days. The estrus period generally lasts for 35 days, divided into three periods before, middle and later. period. The appropriate breeding time is in the middle of estrus, that is, 24 hours after estrus appears in the sow. The second time after the first mating, it was re-allocated after 1824 hours. Generally speaking, mating 2 times in one estrus cycle, more mating can not increase the number of litters, and even have side effects. The key is to grasp the appropriate time for good breeding.
Breeding and management points for boars The initial mating age of male boars is 1214 months of age. The best fit for the initial breeding is between 6575 kg. It is not suitable for breeding when it is too thin or too fat. The boar has a useful life of less than 4 years, and the boar is kept in a single lap.
1 Feed: Adult male boar 2.5 kg 3.0 kg, feeding 23 times a day, with 1:2 ratio of water (ie, 1 part of water, 2 parts of material, mix).
2 Sports: Since the boars are raised in a single lap, in order to enhance sperm activity, they must go to the sports field more than 2 times a week. Each exercise time should not be less than 4 hours. The exercise distance should not be less than 1.5 kilometers. Usually pay attention to washing the pig body and keep it clean.
3 Breeding: It is advisable to breed once a day, but not more than 2 times. After continuous breeding for 45 days, take a rest for 1 day. In the busy season, add appropriate amounts of green fodder or carrots in the feed, and feed one egg for three days in a conditional manner. Do a good job in winter in the pig house and heatstroke in summer to avoid mixing with other boars.
4 automatic drinking water: set up automatic drinking fountains. Sows Production and Postpartum Management Pregnancy of pregnant sows is generally 116 days and 5 days. The calculation method is as follows: the monthly date of the last breeding date is 3, plus 24 is the expected date of production. (Example 1 + 3 = April, 5 + 24 = 29, ie: Expected date: April 29, 2004). Sows were transferred to the delivery room 710 days before delivery.
After the production of the piglets, immediately remove the mucus from the oral cavity by hand, then carefully clean the closed body mucus with a clean soft cloth or hay, immediately send it to the incubator, and wipe the weak piglets with 75% alcohol. Nose, while gently tapping the chest with your hand until breathing is normal. After the piglets were produced, the blood in the umbilical cord was squeezed to the inside as much as possible, and then pressed with fingers to prevent backflow of blood. After 23 minutes, the umbilical cord was disconnected from the abdomen at 23 cm and disinfected with 5% iodine. If bleeding can be ligated to stop bleeding.
When breastfeeding for the first time, the large, strong system should be fixed on the sow's posterior nipple. This will allow the piglets to develop a balanced diet. Usually the piglet is given to the piglet 1 hour after the placenta has been eliminated or the last piglet has been produced. breast-feeding. Artificial births or surgery are required for labor programs exceeding 8 hours.
Postpartum management and restriction management: 810 hours postpartum sows stop feeding and only feed soybean meal and bran soup. Within 23 days after delivery, no excessive feed, no roughage, no nutrient-rich and easily digestible feeds, and normal feeding within 5 days after birth. In 1020 days after delivery, the daily feeding amount is 34 kg; in the 2130 days, the daily feeding amount is 45 kg, and after 31 days, it is changed to the normal feeding amount, and the feeding amount is 2.53 kg per day. Feed 3 times a day. The first two days after birth control the drinking water, later to ensure adequate drinking water.
Special care: For non-milk or under-supply sows, postpartum soy milk, millet porridge, fetal clothing soup, fish soup and other high-nutrition foods can be fed. Sows with symptoms of postpartum constipation can be fed with some tender feeds, and some laxatives can be used severely until normal. Throughout the lactation period, care must be taken to ensure that the air is circulated, the air is fresh, hygiene is maintained, moisture is prevented, and the pens are kept dry.
Management of special boar piglets during lactation
1 Newborn piglet: Since the newborn piglet has poor resistance, it must be well insulated. The 17-month-old injection temperature should be maintained between 25 degrees Celsius and 30 degrees Celsius, and the 830 days should be maintained between 20 degrees Celsius and 25 degrees Celsius. More than 40 days above 18 degrees Celsius can be, too low temperature and humidity over the General Assembly caused a variety of diseases, affecting the survival rate of piglets.
2 to eat colostrum: because colostrum contains maternal specific antigen, enough colostrum can promote the growth and development of piglets, it must be ensured that each piglet to eat colostrum, the best man-made based on the size of piglets fixed nipples breastfeeding, To ensure the balanced development of piglets.
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