Etiology and clinical biochemicalparameters of blood for nutritional osteodystrophy cows
AbstractEstablished etiological factors of nutritional osteodystrophy cows LLC Danylo Galician Yavoriv district, Lviv region. A clinical study on nutritional osteodystrophy cows. A decrease in productivity, alotriophagy, strained course, lameness, thickening and tenderness of the joints, softening of the caudal vertebrae, in severe cases – the formation of animals have been established. The fatness of most animals was below average, hypotension and atony of the predniegens were observed, body temperature was within the norm. In 50% of cows pallor of the mucous membranes was noted, in 10 cows – tachypnea (47.0 ± 0.45) and tachycardia (110.0 ± 3.65). In 10% of the cows, the thorax was pulled up, and the vertebral trunk – curved upwards. In 5 cows, fluctuations of the teeth were noted. Analyzing the diet of feeding cows, a shortage of phosphorus (10–15 g), cobalt (4–5 mg), zinc (27–110 mg), iodine (5–6 mg), sugar (120–180 g), copper (24–26 mg), carotene content (20–30 mg), excess calcium (14–28 g), iron (1400–2200 mg), manganese (210–360 mg). In the blood of experimental cows, the level of hemoglobin was reduced (by 10.6%), the number of erythrocytes (18.8%) in comparison with the animals in the control group. Leukoformula in cows was characterized by a decrease in the number of basophils (9%), eosinophils (47.6%), stabnoid (82.3%) and segmented (4%) neutrophils, monocytes (13.3%) and an increase in lymphocyte count (11% ). In the blood serum of the experienced, a decrease in the total protein content (7.2%), total calcium (26.3%), carotene (22.8%) and cobalt (58.8%) was established.
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