In recent days, there were netizens who had reduced feed intake after the sows had a fever in the breeding farms. The specific symptoms were as follows: depressed spirit, prone movement, little eating, and lower body temperature than normal body temperature. There were also deaths after netizens dropped food intake. Now that the sows do not eat after giving birth and have integrated personal aquaculture experience, this symptom is analyzed as follows. This recommendation is for reference.
Sows do not eat after giving birth is a frequently-occurring disease in sows.
1 Cause of disease
1.1 Dystocia, long delivery time, excessive sow physical exertion, or excessively high temperature during the summer brings about rapid breathing of the sow, and cold caused by cold in the winter causes food insufficiency.
1.2 Simplification of nutrient content in feeds, especially the deficiency or lack of micronutrients (vitamins, trace elements) leads to stress, especially in the post-pregnancy period, mineral deficiency causes post-partum diseases, and digestive disorders cause no food.
1.3 Post-partum failure occurs most often in sows that are older and have more litters. Sows with fewer litters rarely occur. Poor nutrition often occurs.
1.4 Postpartum placental clothing does not fall, and postpartum warts cause physical dysfunction that causes sows to stop eating.
2 Incidence
There are four common clinical conditions:
The first type: on the first day after giving birth, the appetite diminishes, the feed intake decreases gradually, the appetite disappears after 4~5 days (about 50%), and the second, there is no appetite after delivery, and only a small amount of drinking water can be taken every day ( 25%); third, appetite is normal after 3 to 5 days after childbirth, then gradually declines to elimination (18%); 4th, loss of appetite begins 15 to 20 days after childbirth, and finally eliminates (accounts for 7%).
3 clinical symptoms
The common symptoms of the sick sows were depression, depression in the desire to reduce the end of the diet, dry stools as small as the ball, urine and yellow, dry nose, gradually thin, most of the sick body temperature is normal. Some of the latter appeared shortness of breath, visible mucosal cyanosis, and some can not afford to lie in the long-term, there are large areas of the ear and abdomen, purple spots, severely lying can not afford to worsen the condition.
The symptoms caused by morbidity are as follows:
3.1 Because of overwork and cold caused by lying motionless, depressed, half-closed eyes, shy tears, cold nose and nose, skin temperature is not the whole, but the increase in body temperature is weak, barely standing, walking weak, loss of appetite. Improve the environment of the pig house. Before and after the sow is confined, the temperature inside the pigsty should be adequate, the light should be sufficient, the air should be circulated, the ground should be kept clean and dry, often sterilized, the bedding should be soft and clean, and work well in preventing cold. Drug prevention, timely injection of penicillin, streptomycin, long-acting antibiotics in the sows after 1-2 hours postpartum
Improve the environment of the pig house. Before and after the sow is confined, the temperature inside the pigsty should be adequate, the light should be sufficient, the air should be circulated, the ground should be kept clean and dry, often sterilized, the bedding should be soft and clean, and work well in preventing cold. Drug prevention, timely injection of penicillin, streptomycin, long-acting antibiotics in the sows after 1-2 hours postpartum
3.2 Insufficient nutrition causes stress-induced loss of appetite. Low resistance, low feed conversion rate, reduced milk production, tremor at the tail bar, limbs and back muscles, irregular breathing, pale white skin, erythema and cyanosis.
3.3 Loss of appetite caused by postpartum failure. Malnutrition, rough hair, normal or slightly lower body temperature, irregular skin temperature, cold extremities, walking sway, do not want to stand, post-acute edema, rapid heartbeat, bowel sound completely stopped, defecation delay.
3.4 Loss of appetite caused by postpartum expectoration. It manifested as initial movement disorder, stiff limbs, waist, and lying ground. Although it was able to struggle, it was difficult to walk, the pigs were heterophilized, the appetite was diminished or wasted, and the stools were dry.
4 treatment
4.1 Treatments caused by overwork and colds. With 10% of camphor 10 ml 1 intramuscular injection; complex vitamin B 10 ml 2 intramuscular injection, 4 million penicillin 2 and analgin 20 ml mixed intramuscular injection twice a day.
4.2 Treatment caused by undernutrition stress. Proper amounts of antioxidants (vitamin E, vitamin C, trace elements such as selenium zinc, etc.) can be added, and anti-stress additives such as probiotics can also be added to treat stressed sows with sedatives.
4.3 Treatment due to postpartum failure. 25% glucose 500 ml, vitamin C 10 ml, and 4 million penicillin 2 intravenous injections for a few days. An intramuscular injection of 10 ml of vitamin B1, oral artificial salt, soda tablets and stomachic acid.
4.4 Treatment caused by postpartum spasms. 10% calcium gluconate 250 ml; 25% glucose 500 ml intravenously. Such as fever injectable antibiotics and antipyretics.
5 Prevention
5.1 Increase sow activity and promote digestion. Life lies in exercise. A moderate amount of exercise can promote gastrointestinal motility, increase the secretion of digestive juices, and facilitate the excretion of manure.
5.2 For the first 15 to 10 days after childbirth, the juvenile succulent feed should be administered to the green, and the feed should be reduced one week before delivery, and a large amount of concentrated feed can not be fed.
5.3 7-10 days before and after prenatal and postpartum, 2-4% of vegetable oil is added to the feed to increase the lubrication of the intestinal tract; some bran is added, and the bran is rich in phytate, which has diarrhea. Prevent postpartum constipation, but also can add appropriate amount of magnesium sulfate for laxatives, after oral administration to dissociate the SO42- is not easy to be absorbed by the intestinal mucosa, due to osmotic pressure, so that the intestinal lumen to maintain a large number of excitatory wall enhance peristalsis, soften the feces, promote diarrhea.
5.4 It is not possible to feed large amounts of feed at one time during postpartum feeding, and feeding should be gradually increased to normal feeding;
5.5 To improve the environmental hygiene of the pig house, before and after the sow is delivered, the temperature inside the pigsty should be adequate, the lighting should be sufficient, the air should be circulated, the ground should be kept clean and dry, and often be disinfected, the bedding should be soft and clean, and work well in cold protection. Drug prevention, timely injection of penicillin, streptomycin, long-acting antibiotics in the sows after 1-2 hours postpartum
5.6 Constipation prone to fever. When the sow has a fever, it should be treated promptly and quickly cured.
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