MUSCLE INJURIES IN THE FIGHTING BULL (<i>BOS TAURUS IBERICUS</i>) AFTER THE BULLFIGHT
Abstract
Histological and histochemical techiques were applied on transversal serial sections of fighting bull skeletal muscles. Several muscle injuries affecting the different muscle fibre population were found, and this coult be related to the weakness of the fighting bull during the bullfight. Skeletal muscle samples were obtained from six bulls of comun caste killed at the bullfight by sword. During the bullfight all specimens falled down several times. Muscle injuries consisted in mitocondrial disorders, lack of the poligonal shape of muscle fibres, nuclei centrelly located, necrosis, muscle fibre spliting and sarcoplasmic vacuolization. Ocasionally, conective disorders since peri- and endomisial fibrosis were also observed. Despite of the fact that many lesions can be produced by overstretching during the bullfight, we suggest that these apparently weak fighting bulls could be affected by any myopathie. Which would explain their frequent falling down during the bullfight.Downloads
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