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Progress in dairy cattle abomasum modification


Pearl River Garden Jiulongpo District, Chongqing, Chongqing 400710) CLC number: $ 858.57.16 +5 Document code: B Article ID :1004 --4,264 (2006) 08-0035-02 laminitis (1aminitis) is The most common dairy cow hoof disease. It is a complex disease closely related to work directly with management. To prevent laminitis, should attach importance to various aspects of management: appropriate nutrition,[link widoczny dla zalogowanych], calving success, good conditions and regularly shed repair shoes and so on. 1 Department of laminitis is a metabolic disorder metabolic disorder leather, cow hoof disease occurred in the branch. Cows with acute claudication (lame foot), or often see stiff gait. After calving occurs mainly in, and the end of one or more of the hoof bleeding. If a hoof disease branch support than the other shoe weight, and a hoof disease when compared to other shoe is heavy, will appear limp. But usually the state of the two hind basically the same disease, then there may not limp, but will be careful to walk a careful gait. 2 against the foot end of the main well known horse laminitis is a disease mainly occurred in the hoof laminitis. Occurred in cows is not the end of laminitis in the hoof, and the hazards and leather-like part. This means that the growth of hoof horn by the end of interference, which causes skin where the blood circulation slow down the quality reduced. So that the capillaries form a block in blood clotting, leading to some of the small blood vessels were bursting, and to the blood mixed with dead skin cells. Shoe repair shoe bottom can be seen clearly when the bleeding. Patients with longer Received :2005 -08-18 diets, pay attention to coordination of green, coarse and fine material ratio,[link widoczny dla zalogowanych], in particular the supply of concentrate, can not be exceeded only appropriate, and to ensure adequate green, forage supply. 1-2 months of prenatal Biaoqing good supply of calcium-rich beef, low-energy low-protein diet, less feed silage,[link widoczny dla zalogowanych], feed more hay. Winter feeding, the appropriate amount of exercise to increase cattle. Strengthen the management of cattle, cattle rearing density adjusted to prevent the steal, rob concentrate. Of keeping staff training to improve their skills, enhance their sense of responsibility,[link widoczny dla zalogowanych], which can greatly reduce or eliminate the occurrence of abomasal modification. 6.2 The primary disease prevention and timely treatment of intramuscular injection of prenatal 5-8d Vm,[link widoczny dla zalogowanych], postpartum time to time monitor the body's electrolyte balance and acid reduction and promptly corrected. Duffield and other studies have shown that prenatal three-week service to the dairy investment monensin capsules can reduce the incidence of DA. Leblanc and other reports, within one week after calving cows in plasma NEFA with laminitis have been violated when the apparent bend and warp the toe or toes. At this point, the back foot almost straight is no longer bent downward. 3 does not have infectious laminitis and fingers (toes) between the dermatitis, finger (toe) dermatitis and cellulitis different, it is not a contagious disease. However, if the existence of the aforementioned diseases, will increase the occurrence of laminitis, or aggravate the condition of laminitis. 4, a high incidence of the occurrence of laminitis, and the condition and calving cows on milk yield. The higher milk production, the occurrence of laminitis more chances. Milk yield and good management, should be closely related to each other. 5 individual factors of morbidity and incidence of different groups if laminitis is a cow, not a herd of cows in the problem, often difficult in individual cows after calving or certain infectious diseases (mastitis, metritis, etc.) after occurred. Laminitis as a herd problem, it is a multifactorial disease, its occurrence is not straight forward. 6 symptoms of laminitis for the different types and different stages. After the initial onset is usually between three weeks and months, the symptoms gradually become apparent. If a hoof foot than other serious illness, lameness immediately apparent. Vast majority of cases, the action will appear distorted. After a laminitis attack, suffering from the amount of> 10.5meq / L is the possibility of subsequent DA will be increased 3.6 times; milk B-hydroxybutyric acid content �� 200mol / L occurred will increase the possibility of LDA 3.6 times. Edwards and other LDA cows may be found by observing the physical activity and milk yield in the clinical diagnosis made before the 5-6d OK, we can see the importance of good monitoring. Cows should also be good for other perinatal high incidence of disease prevention, research shows that sub-clinical ketosis on the effective prevention can reduce the incidence of DA. It is reported that a high incidence of metabolic disorders in cows fed anionic salts in reducing the incidence of DA. High-yield variety of complementary vitamins, especially vitamin A replenishment, appropriate to add a variety of trace elements and ensure that their real absorption; timely treatment of stomach and some obstetric diseases, the appropriate application in the treatment of potassium, calcium preparations, to be effective in control of metabolic alkalosis, low blood potassium chloride and low disease psychosis, and then for the DA to prevent the occurrence of a positive meaning. Mouth
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