USE OF LOW-INTENSITY LASER RADIATION IN REHABILITATION OF HYPOTROPHIC CALVES

Abstract

The effect of low-intensity laser radiation on the biochemical, immune and clinicalstatus of hypotrophic calves was studied. The studies were carried out in 2 groups(test and control ones) of 12 animals with symmetric moderate hypotrophy. Thecalves in the test group underwent low-intensity laser irradiation of blood withinthe red spectral range (wave length of 630 nm). The animals of the control group(intact) were not treated. Clinical observations of the calves were carried out during2 months, taking into account the incidence, duration and severity of the course ofthe disease, as well as the calves’ weight gain. Blood sampling for biochemical andimmunological studies was performed on the 1st and the 21st days of the calves’life. On the first day the biochemical status and natural resistance in the animals ofthe both groups did not differ. On the 21st day, the calves of the test group hadhigher levels of glucose, pyruvic acid, vitamin E, Blood Serum ComplementActivity (SCA), Blood Serum Lysozyme Activity (SLA), Leucocyte PhagocyticActivity (LPA), Phagocytic Number (PN), Phagocytic Intensivity (PI), and lowerlevels of lactic acid, middle molecules and ectoglobular hemoglobin in comparisonwith the control group. The treatment of the animals with low-intensity laserradiation positively affected their clinical state and productivity. The calves in thetest group had mild forms of gastrointestinal diseases with a shorter courseduration, and the increase in body weight was significantly higher compared withthe control group. The positive effects of low-intensity laser radiation onbiochemical status, natural resistance and clinical condition of hypotrophic calveswere established, which allows us to recommend it for their rehabilitation.