With the adjustment of the animal husbandry industry structure, the number of cows is increasing, and the disease is also increasing. In particular, dairy cattle disease characterized by lying land has brought great economic losses to dairy farmers. In recent years, veterinarians have used a calcium-based treatment program to solve some of the problems, but there are "labor and no success". I now discuss this issue with my colleagues.
1 Classification of clinical paralysis
1.1 The traditional Chinese medicine called "snoring disease" is known as rheumatoid arthritis of the posterior or extremities. It can be divided into three types: wind phlegm, heat phlegm, and wet phlegm. This is related to factors such as climate change, humidity, and weak carcass quality, which can occur at any age and production stage. It is often caused by wind, cold, and dampness, which makes the blood and blood of the meridians unreasonable, and the pain is obvious. The symptoms gradually slow down after exercise and in non-cold seasons.
1.2 Many postpartum moles were paralyzed due to nerve damage during childbirth, and there were no other symptoms except that the hind legs of the affected animals disappeared and they could not stand.
1.3 Ketonemic Diseases Ruminants are characterized by metabolic disorders of carbohydrates and volatile fatty acids, which cause a high concentration of ketones in the blood and a decrease in sugar concentration. It is characterized by ketotic blood, ketone urine, and exhaled gases. Sour smell. Clinically there are digestive ketosis, characterized by digestive disorders. There are neurological ketosis in addition to digestive disorders, there is anxiety, scapular muscles and sacral muscle spasm, ataxia and hind limb paralysis of neurological symptoms.
1.4 rickets and cartilage disorders This is the growth of young animals bone mineral metabolism disorders and osteolysis of adult animals after the completion of osteodystrophy.
1.5 The production of quail is a metabolic disease in which a large amount of calcium is discharged from the cow and blood calcium is not replenished in time, resulting in a drastic decline in body calcium and a sudden occurrence of paralysis in the mother and livestock.
2 The role and inadequacy of calcium in livestock and the consequences of excessive
2.1 Distribution of Calcium: About 99% of calcium in the carcass is enough to become bones and teeth, and the remaining calcium is distributed in living cells and body fluids. Calcium is the main component of livestock ash. Mammalian bones contain 30% ash. Calcium contains 36.5% calcium and 17% phosphorus. The ratio of calcium to phosphorus is 2:1. There are three forms of calcium in the blood: free calcium accounts for 46%~47%, calcium combined with protein accounts for 45%~46%, about 2% of calcium is phosphate and citrate, and 3% of calcium forms other Complex.
2.2 The role of calcium: In addition to the components of bones and teeth, calcium plays an important role in maintaining the normal excitability of nerve and muscle tissue. When the plasma calcium concentration is higher than normal, it inhibits the excitement of nerves and muscle tissue. Sexually; on the contrary, increases the excitability of nerve and muscle tissue, and the prothrombin activator catalyzes the conversion of prothrombin to thrombin must be performed with the participation of calcium ions. In addition, calcium also participates in other physiological processes in the body.
2.3 The effect of calcium deficiency: The main symptoms of calcium deficiency in livestock are skeletal lesions, difficulty in transportation, abnormal posture, and some manifestations of hind limb paralysis. High-yielding milk is particularly sensitive to calcium deficiency. For high-yielding dairy cows, the calcium stored in the breasts is only sufficient for 12 hours after birth. The storage of blood calcium can only supply about 21 kilograms of milk, because calcium in bone cannot be timely. Release, coupled with poor post-partum gastrointestinal function, less calcium absorption, which can easily lead to cow postpartum paralysis.
2.4 Excessive calcium can inhibit the role of microorganisms in the rumen, reduce the conversion rate of the diet, and can also make the metabolism of other elements in the body disorder.
3 correct calcium imbalance
3.1 increase blood calcium blood glucose, intravenous injection of 10% glucose 1500 ~ 2500 ml, 10% calcium gluconate 800 ~ 2000 ml.
3.2 After the calcium supplementation, the diseased bovine spirit is improved. When it fails to do so, it may be accompanied by hypophosphatemia, and then intravenous injection of 20% sodium dihydrogen phosphate 200 ml.
3.3 Simultaneous injection of vitamin D and B1.
3.4 symptomatic treatment.
3.5 Adjust the diet mix, increase the proportion of calcium-containing feed, and ensure the ratio of calcium and phosphorus 1.5:1 to 2.0:1.
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