Eitrige Klauengelenksentzündung beim Rind
2004
In a
randomised prospective study, it has been the aim of this thesis to compare
resection of the coffin joint as a means to retain the claw with amputation
of the claw in cattle affected with purulent arthritis of the coffin joint.
The study
was undertaken among 52 patients of the Clinic for Cattle Diseases,
Foundation School of Veterinary Medicine, Hannover, which were diagnosed with
purulent arthritis of the coffin joints of the hind limbs. On a randomised
basis, one half of the animals had one of their claws amputated as an
exarticulation in the pastern joint with preservation of the coronary groove.
The other half of the animals underwent a resection of the coffin joint
through plantar approach and a resection of the distal sesamoid bone. Here
the strain was taken off the operated claw via a wooden block fixed under the
healthy claw, further a tipping claw prevention according to CLEMENTE (1986)
was done. To
diagnose purulent arthritis of the coffin joint, both clinical and
radiological examinations were necessary. The radiological examination was
especially important to determine the extent of osseus changes. As an
additional diagnostic aid a sonographic examination was used in order to
detect changes of the common synovial sheath of flexor tendons.
The
postoperative healing process was free of complications in 38 of the 52
animals (73,1 %). 28 days post operationem, healing was significantly
advanced in animals with resection of the coffin joint as compared to animals
after amputation of the claw. Six animals with claw amputation and eight
animals with coffin joint resection showed postoperative complications of
different kinds. All complications were cured. Within
360 days post operationem, animals with coffin joint resection showed
significantly more new claw diseases of the other limb than animals with claw
amputation. Here the probable reason is that animals go lame for a longer
time after coffin joint resection and therefore overwork the other limb.
Until day 28 post operationem, animals with coffin joint resection showed a
significantly higher degree of lameness than animals after claw amputation.
In eight cases of animals with claw amputation, the partner claw became
damaged. Of these, two animals were culled due to this disease. The others
were able to be cured, but only with high and economically questionable
expenditure. There was just one case where the partner claw became diseased
among animals with coffin joint resection. Here the operated claw was the
problem with twelve cases of infection. Reasons suggested were faulty strain
on the operated claw and the missing shock absorbent pad cushion.
After 180
days, 52,9 % and after 300 to 660 days, 20 % of the animals with coffin joint
resection showed tipping claws on the operated ones despite tipping claw
prophylaxis. In total, after coffin joint resection only three animals showed
complete osseus ankylosis of the coffin joint.
For
animals with coffin joint resection, postoperative expenditure was higher
than for animals after claw amputation. Animals after coffin joint resection
needed significantly more changing of bandages during the first 360 days post
operationem. Postoperative
milk yield and the number of new calvings did not show any statistically
provable difference between coffin joint resection and claw amputation.
During
the first 360 days post operationem, cullings did not significantly differ
between the two groups (coffin joint resection 53,8 %; digital amputation
46,2 %). Various factors such as age, reproductive status, stabling,
pasturing, additional claw diseases, and quality of claw horn did not show
any influence on the average life span.
The
higher intra- and postoperative expenditure for cattle with resection of the
coffin joint cannot be compensated for by a longer life span of these
animals. Yet a problematic point is that among animals with claw amputation
the partner claw becomes more frequently diseased. This often leads to
culling of the animal. Thus for young valuable cattle, which justify higher
expenditure, a coffin joint resection should be recommended.
Keywords:
- Correction
- Source
- Cite
- Save
- Machine Reading By IdeaReader
0
References
0
Citations
NaN
KQI