Dairy cows account for more than 50% of the dairy cow's disease, which is a serious hazard to the dairy industry and should be given sufficient attention. In clinical practice, cases often occur due to inadequate measurement of the first treatment, repeated use of drugs, severe excess of total calcium, or death due to a large amount of calcium and failure to monitor the heart. Combined with the experience of clinical practice, in order to improve the cure rate of production cesium, attention should be paid to the following issues.
Early detection and early treatment In order to improve the cure rate of dairy cows, early diagnosis, and early application of calcium treatment, the cure rate is high.
Calcium Gluconate Injection and Calcium Chloride Injection. Calcium gluconate has 9% calcium and calcium chloride calcium 27.3%. The amount of calcium commonly used in the treatment of dairy cow production is preferably 2.2 grams per 100 kg of body weight, equivalent to 244.4 milliliters of calcium gluconate injection or 161.2 milliliters of 5% calcium chloride injection. Generally 500 kg body weight cattle treatment dose of 1022 ml of calcium gluconate, or 806 ml of 5% calcium chloride injection, must be injected intravenously.
In order to prevent the cows from being unable to stand or relapse due to insufficient doses, a large dose should be used for the first injection. 8 hours to 12 hours after the injection, if the diseased cow does not improve, the injection may be repeated at the original dose, but it is generally not more than 3 times.
If the effect of calcium is not significant, the first injection of sodium dihydrogen phosphate injection (200 ml-500 ml, 15% magnesium sulfate injection of 150 ml-200 ml) is slowly injected during the second injection, which can promote recovery.
In the case of intravenous injection, the liquid cannot leak out of the blood vessels to prevent local swelling or even necrosis. If you accidentally leak, you can suck out the leakage of liquid medicine, and use 25% sodium sulfate solution 10 ml -15 ml, so that the formation of insoluble calcium sulfate, in order to ease the local irritation.
The rate of intravenous injection should be slow, and the dose should not be too large, to prevent the ventricular fibrillation or sudden stop in the systolic calcium intravenous infusion rate is too fast, the dose is too large, can make the heart beat faster, arrhythmia, and even cause death. General requirements of calcium should be appropriately warmed for intravenous injection. Calcium injections should be closely monitored, especially when injected 1/3 of the dose. This is important. Usually when a certain dose is injected, the number of heartbeats starts to decrease, and then it rises back to the original heart rate. At this time, it indicates that the dosage is the best and the injection should be stopped. If the changes in the original heart rate are not significant, such as when the injection is found to be significantly faster, the heartbeat becomes powerful and the arrhythmia begins to appear, the injection should be stopped. Otherwise, it will be overweight and dangerous.
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