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In recent years, the incidence of diarrhea in pig farms across the country has been relatively high, and the mortality rate of pigs is high, including some pig farms where management and epidemic prevention are better. Some farms have not been stable for two months. Some farms have been stable for two to three weeks, and there have been repeated epidemics and losses.
Symptoms
The disease mainly occurred in nursery pigs and nursery pigs after weaning. Diarrhea occurred in growing pigs. From the feces point of view, nursery pigs are mainly yellow and white water samples, and nursery pigs are gray and yellow. Both sows and fattening pigs can quickly recover. The gilts show vomiting and diarrhea at 2 to 3 days of age, and soon they are dehydrated, emaciated, and die. This is a great hazard to production.
Prevention and control plan
1. In October and December of each year, the entire sow is vaccinated once with a viral diarrhea vaccine.
Second, once onset, conditional pig farms, early weaning (18-day-old and more pigs), open water drinking on weaned pigs, drinking water to add Wei Li Kang, rehydration salts, glucose, with 7 to 10 days, In the mixture, Lino, amoxicillin, and Fengqiang Lanjing (antiviral No. 1) were used for 7 to 10 days.
Third, drug treatment. This method is suitable for diarrhea of ​​non-nurse-sucking pigs, Lino 5 packs + Zhiyu powder 4 packs, 500 kg of spices, even feed for 5 days, while limiting. Produce house pigs, use Feng Qiang to kill 500 grams of boiled water 1 liter, each pig 3 to 5 ml, 2 times a day, and even served 3 days.
Fourth, return feeding method. For pig farms that fail to immunize and have a severe epidemic, return feeding is the most commonly used and ideal method. The live pigs with obvious onset characteristics within 5 days of age had diarrhoea for about 24 hours. The small intestine was collected and the mesenteric lymph nodes were removed. Skim milk powder or skim milk powder was dissolved in physiological saline to cool the refrigerator, and skim milk was used (frozen around 5°C). The small intestine and milk are crushed in a ratio of 1 gram to 1 ml (do not heat), and a small amount of antibiotics may be added, such as 1 gram amoxicillin, 3 ml gentamycin, 5 ml enrofloxacin injection, for each sow 2 ml, for the sake of less error, add 8 ml of milk per sow so that each sow feeds 10 ml, including all maternity wards, pregnant, empty and gilts. This method requires clean drinking water. Lino (1 kg/ton) and Hengyankang (1 kg/ton) are added to the feed. The supplement is used for 5 days to strengthen nutritional supplements. Oral rehydration salts, glucose solution and Virkon (500 g) / Tons of water), Victorian (500 ml of water for 1 ton), for 3 days. If sows respond more than 30%, feed back once; if less than 10% of sows do not eat on the second day of feeding, few diarrhea occurs on the next day, and stop after one day, indicating that the amount of reaction is normal. Three days can be fed back once according to this method, and the pigs born in the delivery room can be stabilized.
Precautions
First, the symptomatic treatment of the diseased pigs. In particular, it was discovered that a litter had just started to be lavaged with montmorillonite, and 1.5 g/2.5 ml of warm water was dissolved. Each porcine porcine was 5 ml/time, twice a day for 3 to 5 days as a course of treatment.
Second, the sick pig, in order to prevent acidosis and dehydration. Can be replenished with viridine 1 ml/head, rehydration salt 4 ml, 2 times a day; or intraperitoneal injection of 5% to 10% of glucose injection 20 ml, 2 ml of Vittory, Gentamicin injection 2 ml/head; Injection of 5% sodium bicarbonate solution, severe cases can be injected atropine.
Third, for diarrhea pigs, drinking water to add oral rehydration salts, glucose solution, Wei Li Kang (500 grams of 500 kilograms of water).
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Prevention of viral diarrhea in pigs in winter
In winter, the climate is cold. Most of the livestock are housed in closed quarters, with strict closure and high density, which provide conditions for the spread of the disease. Therefore, in addition to taking cold and warm measures for livestock in winter, special attention should be paid to the timely prevention and treatment of livestock diseases. The newspaper has launched a series of topics on "Prevention and Control of Diseases in Winter Livestock Diseases" starting from that day to guide farmers and friends in improving livestock production and raising the efficiency of raising livestock.