Spring is a season of frequent disease in pigs. Long-distance transport bumps cause weak resistance to pigs, and lack of drinking water, environment, feeding methods and drastic changes in feed make it impossible for out-of-pocket pigs to adapt to transport stress syndrome, causing various diseases. Serious and even death, strengthening feeding management, alleviating various stresses, and effectively preventing and controlling the outbreak of out-patient piglets are the key to improving the survival rate of out-of-purchase piglets.
1. Preparation before purchasing pigs
Clean the pig house manure and all harmful substances 1 week before entering the pig, thoroughly disinfect with 2% to 4% sodium hydroxide or 10% to 20% lime milk or 2% to 5% complex phenol; use water after 2 days Rinse, and then use Weikang (mainly potassium persulfate) 1..200～1..400 for the second disinfection, disinfect the used feeding tanks, utensils, etc.; Disinfect the tap water passage and the entire pig house, and prepare to enter the pig after drying. The house requires warm winter and cool summer, no rats, cats, dogs and so on.
2. Choose excellent piglets
Choose a regular specialized pig farm with a good shape, healthy and lively, bristled, normal growth and normal ternary cross-breeding healthy piglets, do not choose to sell pigs, do not buy hairy mess, eye smear, suffocation, femoral skin Blue-violet spots, swollen lymph nodes, shortness of breath, shortness of breath, stiff pigs, or piglets weighing less than 5 kg. In addition, the immunization label and the quarantine and epidemic prevention certificate issued by the veterinary department should be available at the time of purchase.
3. Transportation of piglets
1 h before pigs were injected with 1 to 2 mL of Delixian (long-acting oxytetracycline) plus tyanocon (florfenicol), and the pigs were sterilized on the vehicle and the piglets were entered. In the pig house, the pig body can be disinfected by a spray such as Weikang. When transporting, the speed should not be too fast to avoid bumps. It should be transported in the morning or at night.
4. Fine feeding management
4.1 housing environment
Try not to rinse the floor of the piglet with water. You can remove the stool and then wipe it with a mop with disinfectant. Keep the piglet house clean, dry, dust-free, well-lit, well ventilated (no thief wind), suitable temperature (22 ~ 26 °C), the floor of the bar is best to have floor heating or other insulation equipment, the environment is quiet.
4.2 Sub-column training (triangulation)
The piglet should be kept at a moderate density (3 heads/m2), which should be reasonably matched according to size and male and female. When entering the column, it should be divided according to size, strength and weakness. At the same time, the piglet should be emphasized within 7 days of purchase, so that the pig can develop a good habit of eating, sleeping and excreting.
4.3 Drinking water
After the piglets arrive, they will not be in emergency feeding. After purchasing water for 2 hours, they should first drink warm water with 10% glucose, quick supplement or Yibu plus electrolytes and multivitamin preparations for 1~2 hours. Feeding (it is best not to feed the same day). Drink less water to avoid diligence, avoid stress diarrhea, accelerate the supplement or increase in water, drink for 1 week, drink better for a long time, especially hot summer can improve disease resistance and promote growth and development. The daily water consumption of pigs is 2 to 3 times that of daily intake, and the amount can be increased in the hot season, and sufficient clean drinking water must be given.
4.4 feeding
Piglets should be especially strengthened during the 10 days after entering the farm. Use a higher grade feed than the original feed, such as 5 to 15 kg piglets can be mixed with Dairy Kang (teaching material) and milk pig Kang (weaning stress material), adding high-efficiency anti-inflammatory anti-inflammatory drugs to feed or drinking water ( Amoxicillin, clavulanic acid potassium, etc.) and drugs that enhance immunity (Astragalus polysaccharides, vaccination peptides, etc.). Piglets under 15 kg can be fed 5 times a day, the time interval should be the same for each feeding; 15 to 30 kg piglets are fed to piglets (conservation materials), feeding 4 times a day; piglets over 30 kg can be used in large Pig feed is free to eat. If the feeding is restricted, the daily feed intake is calculated as: the daily feed intake calculated according to the pig weight = the actual body weight × coefficient, the coefficient is 0.05 for pigs, 0.04 for medium pigs, and 0.03 for large pigs. The daily feed intake calculated according to the above formula can be appropriately reduced in summer and autumn, and can be increased in winter and spring. The feed should be fresh, eat less and eat more, and feed less. If you need to refuel, you need a transition period of about 7 days. After taking the material, the mouth of the bag should be sealed to prevent the feed from getting wet.
4.5 Castration
When the piglet is in good mental state and healthy and disease-free, castration is carried out on the fasting morning of the second week of purchase. Before and after the castration, quick supplement or benefit-free plus is added to the drinking water or feed for 7 to 15 days. It is also best to buy castrated piglets.
4.6 Disinfection
It is usually disinfected to the environment. It is 1-2 times a week in the summer and once every 2 weeks in the winter. The pigs are disinfected once a day during the disease-prone season. The disinfectant can be used with non-irritating disinfectants such as Weikang, special kill or Nongfu. Use in turn to avoid bacterial resistance. The tools, water sources, manure, and the entrance to the production area should also be disinfected regularly. Add Weikang or potassium permanganate to the pigs every 10 days for 3 days.
5. Strengthen biosafety and comprehensively prevent and control diseases
5.1 booster immunization
Many pig farmers believe that piglets are immunized at the time of castration, so they are not replenished after entering the farm, causing the incidence of piglets. After 1 week of piglet purchase, if the piglets are fed and in good mental condition, they can choose vaccines such as immunized swine fever, pseudorabies, and blue ear disease according to the season and the epidemic situation of the local epidemic, and the injection site is strictly disinfected. Go to a pig and a needle, the dose is accurate, do not hit the flying needle. Piglets that are allergic to the vaccine can be given 1 to 2 mL of adrenaline or dexamethasone to relieve and promptly replenish. Due to the variety of bacteria and the large number of serotypes, it is inevitable or inevitable, and it is possible to control the occurrence of bacterial diseases by careful management and regular placement of preventive health drugs.
5.2 Strengthening health prevention
Daily inspections are conducted to observe the appetite, feces, urine, breathing, exercise, and spirit of the pigs. When abnormalities are found, the body temperature is examined and measured in detail, and the cause is determined in time. Take targeted and comprehensive prevention and control measures, timely isolate treatment, and resolutely eliminate pigs without treatment value. After 4 hours of purchase, feed (3 days before purchase, limit the amount of feed, feed 60% to 70% per day), add lincomycin hydrochloride, spectinomycin sulfate, acetoquine or fumarate , doxycycline hydrochloride, florfenicol or Yiwuwei (multiple probiotics and vitamins) for 5 to 7 days, can effectively control common bacterial diseases, reduce the incidence of digestive and respiratory diseases. When the piglet is purchased for the second month, the fumarate tiamulin, doxycycline hydrochloride and florfenicol should be added to the feed for 5-7 days. When the body weight is 80-130 kg, the feed is supplemented with tylosin or oxytetracycline powder for 5-7 days to control the occurrence of various respiratory diseases and erythroblastosis.
5.3 Regular deworming, rodent control, and mosquito killing
Piglets were purchased for the second week of deworming. They were fed with ivermectin and fenbendazole for 7 days in the feed to remove parasites from inside and outside the pig. Drive again 2 months after purchase. In addition, it is forbidden to keep dogs, cats and other livestock and poultry and regularly kill rats and kill mosquitoes. When an outbreak occurs in an out-of-purchase piglet, it should be diagnosed in time with laboratory tests, and immediately take specific (such as high serum-free) and non-specific (such as Xinbituo) treatments to improve the resistance of the pig, combined with drug sensitivity. The test used sensitive antibiotics to control secondary infections.
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