Clinico-biochemical studies on fattening cattle with stiff gait as main symptom in Japan.

Y Motoi, S Shoya, C Ushimi
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Abstract

The chemical compositions of blood and bone were estimated in eight affected cattle as part of clinico-biochemical studies on a disease of beef cattle for fattening with stiff gait of the four limbs, strange posture, and elongation and deformation of the hoofs as main symptoms. Eight of the affected cattle were divided into two groups from the results of some examinations. Radiographical changes, such as the deformation, atrophy and lack of the apex of the third phalanx, were remarkable in five affected cattle (Nos. 1, 2, 4, 5 and 6; group A), but not so remarkable in three (Nos. 7, 8 and 9: group B). The blood composition was within a normal range in group A. On the other hand, total serum protein, urea nitrogen, calcium and inorganic phosphorus were a little lower and magnesium and potassium higher in blood level in group B than in control cattle. The pH of rumen juice was within a range of 6.0 to 6.5 in all the effected cattle. The differences of components of phalanges were remarkable between the two groups. Namely, in group A, the magnesium and sodium levels of phalanges were higher than in control cattle. Ash and calcium contents increased distinctly at the tip of the third phalanges were higher than in control cattle. On the other hand, in group B, ash, calcium, sodium and potassium contents were lower than in control cattle. The fat content was much higher in the affected groups than in the control group. There wer slight changes in the inorganic component levels of the ungual layer. These changes were proportional to those of the phalanges.

日本以步态僵硬为主要症状的育肥牛的临床生化研究。
对8头患病牛进行了血液和骨骼的化学成分测定,作为对以四肢僵硬步态、姿势怪异、蹄子伸长和变形为主要症状的肥育肉牛疾病的临床生化研究的一部分。根据一些检查结果,8头受影响的牛被分为两组。5头受影响的牛(1、2、4、5和6号;A组血液成分在正常范围内,而B组的血清总蛋白、尿素氮、钙和无机磷含量略低于对照,镁和钾含量略高于对照。瘤胃液pH值在6.0 ~ 6.5之间。两组间指骨组成差异显著。即A组指骨中镁、钠含量均高于对照。第三指骨尖端灰分和钙含量明显高于对照。B组灰分、钙、钠、钾含量均低于对照组。受影响组的脂肪含量比对照组高得多。非趾层的无机成分含量变化不大。这些变化与指骨的变化成正比。
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