Postpartum urine closure is a common postpartum disease in sows. In many years of clinical practice, we treated 356 heads and cured 352 heads, and achieved satisfactory results.
1 Causes
1.1 Because the sows have a long delivery time, excessive physical exertion, and weak abdominal muscle contraction, the bladder relaxes or paralyzes due to fetal compression.
1.2 The fetus is too large, it is difficult to enter the birth canal, and the urethral pressure is too long. Frequent stimulation and squeezing can cause edema in the mucosa of the birth canal, urethra, and urethra, resulting in stenosis or failure of the urinary tract.
1.3 In the event of difficulty in childbirth, urinary tract injury or infection is caused during confinement and midwifery, or frequent childbirth during delivery, resulting in bleeding of the posterior urethra.
2 Symptoms Pigs do not urinate 1-2 days after giving birth. Sometimes they only see urination postures and urination without urination; or they only see a small amount of dripping urine when they blame. If it persists for 3-4 days, it can be seen that the back abdomen has been empty, but it gradually expands, and the affected pig appears to be lying down with caution and anxiety. It seems that there is slight abdominal pain. Reduced milk production or no milk, decreased appetite or antifeedant.
3 Diagnosis of postpartum closed urine, that is, occurs in the sow postpartum, kidney urine production function is normal, the bladder is full of urine, can not be excreted as urine closure. Due to bladder paralysis, urethral stricture, etc. The sick pigs have urination, urinating postures, and urination. The urine can't be discharged. Severe cases may be accompanied by slight abdominal pain, careful lying or unrest. Postpartum urinary closure is different from renal urinary dysfunction. Kidney disease is often chronic and progressive. The body is weak, hindquarters do not move well, the back is visible, and the kidneys are percussive. As the time goes on, the tummy, chest, and extremities are often edematous. Postpartum urine closure, if the use of pig catheter probing, when the catheter inserted into the bladder immediately after the rapid outflow of a large number of urine, abdominal circumference that is quickly reduced, the pain of pigs also disappeared. If a pig suffers from a small amount of urine before labor, it is very frequent because the fetus moves back to the birth canal and the bladder can't store a lot of urine, so frequent urination is also normal. Suffering from the sudden stop of urination after suffering from the pig, there are urination postures and nuisance performance without urinary excretion, which can be considered to be due to posterior urethral disorders.
4 treatment
4.1 Because of sow body size, the treatment is not the same. For slightly smaller sows, during the treatment, the pig can be held in the lower part of the lower abdomen with the palm of the hand when the nurse is in charge, and slowly lifts up forcefully, and the urine is discharged immediately, often receiving immediate results; for body shape deviation Large sows, can use the pole, wooden sticks, etc., when their responsibility, cross the lower back of the lower abdomen, the two slowly lifting from the ends of the force, the urine can be discharged.
4.2 Chinese medicine treatment methods. Bamboo leaves 40 g, fossils 50 g, pigs 35 g, Zexi 35 g, wick 30 g, psyllium 30 g, Zhijimu 30 g, Jiu Yuanbai 30 g, this formula is 100 kg body weight pigs. Decoction 2 times, combined decoction liquid 500 ml once a day, one dose on the 1st, two can be cured. The dose can be increased or decreased according to the body weight of the pig.
4.3 Western medicine treatment methods. 1 urethral anti-inflammatory, sodium sulfadiazine 0.07/kg body weight, 1 intravenous injection, 2 times/day, doubled for the first time. 2 urinary tract antiseptic, 40% urotropine 20-40 ml, once intravenously. Severely sick sows, catheterized with urinary catheters, can prevent bladder rupture and relieve the condition quickly. Repeated catheterization, but not too many times, so as not to stimulate the urethral mucosa, causing edema and inflammation. With drug treatment, the effect is better. For catheterization, the catheter should be sterilized first and then coated with a little lubricant, such as paraffin oil, to reduce irritation to the urethra.
5 Summary and Experience
5.1 Postpartum urine-sucked sows, after examination confirmed, most of the sick pigs do not need to use drugs, just with the palm of your hand or poles and other appropriate tools, when they are responsible, lift from the lower abdomen, to help discharge urine . The use of this method of treatment saves time and money, is economical, convenient, and immediate.
5.2 The Chinese medicine is better when it is fed, and it can be cured twice.
5.3 In general, it is not necessary to infuse the fluid, because the infusion will increase the urine volume and aggravate the condition. It should not be treated with diuretics such as furosemide, because its diuretic effect is to inhibit the reabsorption of sodium and water in the proximal tubules, which increases the output of potassium and sodium ions and water. Due to the strong effect of furosemide, even when glomerular filtration occurs, water and sodium ions can be excreted, which can increase urine volume and increase the burden on the bladder. If urine can not be excreted in time, the pig’s condition will become more serious. . The above methods can be applied according to the condition of the affected pigs. However, sulfadiazine sodium and urotropine cannot be used in combination.
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