Environmental Management
Keeping warm to the pigs provides a good environment for growth. Keeping the pig house warm, dry, and ventilated, doing a good job in pig house hygiene, paying close attention to sterilizing pig pens, and eliminating the bacteria's living environment are the top priorities for raising pigs in the spring. Pigs like the dry environment, especially the body temperature regulation function of piglets is not yet fully developed, with less body surface deposition of fat and poor cold resistance. In early spring, the weather in March is suddenly changeable. The temperature difference between day and night is relatively large. Therefore, it is necessary to hang curtains, block loopholes, and lock the shed to ensure the pig house is warm, the environment is dry and clean, and the air is smooth. In northern regions, sows are also required to implement a warm real estate to ensure that the piglets are fully active and full.
In the spring of disinfection, the pig house must be completely disinfected to prevent the growth and reproduction of germs. The sheds are cleaned and sprayed and brushed with 20% to 30% lime milk or 20% turfgrass or 2% to 3% pyrogenic alkali solution on the ground, walls, and surrounding environment of the enclosure. After cleaning the utensils, use 3% to 5% of the Susu water to disinfect and rinse with water to avoid causing poisoning or affecting the feed intake of the pigs.
Disease prevention and deworming
Prevent disease to strengthen the epidemic prevention and timely deworming. In spring, the occurrence of infectious diseases such as swine fever, erysipelas, lung disease, piglet paratyphoid, gasping disease, transmissible gastroenteritis, and piglet E. coli should be strictly prevented. Farmers should strictly immunize pigs in accordance with immunization procedures, and should not avoid missing injections or vaccine failures. If there is an outbreak in the surrounding area, besides the disinfection of piggery, it is also strictly prohibited that foreigners and vehicles enter the farm, and their vehicles and personnel should be thoroughly disinfected from the infected area.
Deworming early spring, warm and cold, it is also a high incidence of parasitic diseases, avermectin (wormbus) is a pig farm parasite control drugs.
application:
1. Every year, the pigs in the farm are given one application each time in spring and autumn, and 1.5 g to 2.0 g of avermectin (0.2%) powder per kilogram is mixed and eaten freely for 3 days.
2. Pregnancy sows 1 week to 2 weeks before the application of a drug, according to the ratio of 2.0 grams per kilogram of dressing; for nursing sows 1.0 grams per kilogram of the mix, free intake, use 3 days .
3. For male boars, they are usually dewormed once in spring and autumn; they are bred once after the introduction of boars. Each time, it is mixed in a ratio of 2.0 grams per kilogram, and is fed freely for 3 days.
4. The piglets are dewormed once every 20 days to 30 days (feeding pigs), 60 days to 70 days (during the piglet transfer period), and mixed for the first time at a rate of 0.5 grams per kilogram. The material is mixed for the second time at a rate of 1.0 grams per kilogram, free for feeding for 3 days.
prevent disease
In addition to the effective control of scientific immunity, common pig diseases such as swine fever and erysipelas are common in spring pig diseases. There are also many swine diseases that can easily occur in the spring. The most common diseases are diarrhea, mycoplasma pneumonia, flu and piglet edema.
Diarrhea in pigs The disease is a common disease in spring, including infectious gastroenteritis, rotavirus disease, E. coli disease, red piglets, piglet paratyphoid, swine dysentery, etc. The main symptoms are diarrhea, and more Caused by the etiology, need to be correctly identified in order to prescribe the right medicine, and add body fluids to prevent dehydration and secondary infection, improve efficacy. At the same time, the entire population should be treated preventively.
Porcine mycoplasma pneumonia is a contact respiratory infection of pigs. Sudden onset may occur when the head drooping, lack of energy, open mouth breathing, and issued a sound of asthma, cough less and deep, purple mucosa, body temperature changes are not large, the mortality rate is high. When the prevention and treatment can be intramuscular injection of pig gasping, per kilogram of body weight per day, 20,000 international units to 40,000 international units, for 5 consecutive days for a course of treatment. You can also 1 times intramuscular injection of oxytetracycline 1 g ~ 1.5 g, 7 days for a course of treatment.
Swine influenza occurred in early spring and was endemic. The incidence of the disease is high. In the early stage of the disease, the pigs suddenly have fever, lack of energy, loss of appetite or no food, often lying together, reluctant to exercise, difficulty breathing, severe coughing, mucus out of the eyes and nose. If it is improperly managed during the onset, bronchitis, pneumonia, pleurisy, etc. are prone to increase the mortality rate of the pig, so the prevention and treatment of the disease should be emphasized. Prevention of the disease should be paved and diligently change the hay, and regularly disinfect the pig house with 5% caustic soda. Pay close attention to changes in the weather. Once it cools down, heat and keep warm. To prevent susceptible pigs from coming into contact with infected animals, pigs were inoculated twice with the swine influenza adjuvant inactivated vaccine and the immunization period was up to 8 months. There is no special medical treatment for the disease. Only symptomatic treatment is used to relieve the disease and antibiotics or sulfa drugs are used to avoid secondary infection. The penicillin and streptomycin may be combined with the severely ill pigs, together with the viral agent and intramuscularly, twice daily for 5 days. Antibiotics and antibiotics are added to the feed at a ratio of 0.2%, which enables the disease to be controlled effectively.
Piglet oedema Disease A type of enterotoxemia in weaned piglets caused by pathogenic E.coli, mainly occurring in weaned piglets, especially in fast-growing, lyophilized piglets occurring from 5 to 15 days after weaning. . The reason is that the feed suddenly changes after weaning, causing a change in the intestinal microbiota. In addition, changes in the living environment and climate, as well as the lack of vitamins and mineral elements in feeds, are all pathogenic factors. The sudden onset of the disease, the initial outbreak, often see no clinical symptoms of the disease animals suddenly died. The onset was slightly slower, with an early manifestation of depression, lack of food, edema of the eyelids, head, neck, and anus, sometimes systemic edema, and finger pressure marks. At the beginning of the illness there are neurological symptoms, manifested as excitement, circling, rapid heartbeat, tremor, ataxia, and hoarseness. Later limb paralysis occurred. Acute cases died from 4 hours to 5 hours, and most died within 1 day to 2 days.
Deficiency of selenium edema If selenium induces swine edema, selenium supplementation may be used for prevention. That is, 0.1% sodium selenite is injected intramuscularly at 1 ml per kilogram body weight once a day for 3 days. Dexamethasone sodium phosphate, sulfadiazine, and vitamin C injections can be used, and the application of the fungus can be used for prevention. Treatment should also be combined with diuretic laxative detoxification, intramuscular injection with furosemide; gavage salt laxatives such as magnesium sulfate, sodium sulfate, artificial salt and sodium bicarbonate, once or twice a day, for 5 days.
Feeding management
Pay attention to nutrient supply, adjust feed formulation According to the different growth stages of pigs, scientifically feed the full-price diets with different nutritional standards, and timely adjust the diet formula according to the weight and feed intake of the pigs. Spring green feed is lacking. It is necessary to add as much as possible juicy diets such as carrots and brewers' grains and cakes in the diet in order to promote the appetite of pigs and supplement some vitamins.
Fine management science for piglets Feeding fattening pigs and breeding pigs, feeding and management can be carried out as usual, but the feeding of piglets must be meticulously managed because piglets lack innate immunity, body temperature regulation and digestive function are not perfect, and in climate changeable spring, Slight errors in feeding and management can easily cause piglets to become ill and even die in large numbers. Therefore, it is necessary to improve the feed of lactating sows so as to maintain the cleanliness and hygiene of the breasts; to work well in the three aspects of food intake, supplementary feeding, and Wangshi food; to safely pass through the primary birth, supplementary feed, and weaning pass, special care should be given to weaning. Piglets; prevention of diarrhea in piglets should be followed by injection of the vaccine at the end of the pregnant sow, pay attention to the cleanliness of the environment and the improvement of the pig's constitution. Adding compound additives, providing clean drinking water, giving adequate light and proper exercise, and promoting the healthy growth of pigs, so that pigs can safely survive the spring season of this disease-prone.
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