O Neĭchev

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The investigations made use of ten clinically normal dogs which were subjected to an overall ether intubation anaesthesia with no surgical intervention, with the preliminary medication of a mixture of morphine and atropine applied subcutaneously. In the surgical phase (III)3 after Guedel there was full relaxation of muscles; full absence of the eye and the(More)
Comparative investigations were carried out to determine the water content, total protein, the macroelements Ca, P, Na, and K and the trace elements Zn, Mn, and S in the wall and sole horn of the front and hind hooves of high-producing cows of the Bulgarian Brown breed and the Black Pied cattle. The hoof water content in both breeds did not show any(More)
Experiments were carried out in production conditions on 200 highly productive cows during the lactation period for determining the percentage of hoof illnesses during cow-shed raising, as well as the influence of clipping of hooves and their treatment on milk production. In the case of restricted movement and a long period of not clipping the hooves, the(More)
Comparative investigations were carried out for the evaluation of the total protein and sulfur in the sole hoof horn of cows of the breeds Bulgarian Brown and Black and White with normal and diseased hooves as well as of the bound amino acids in the hoof horn of the same hooves of cows of the Black and White breed. It was found that the total protein as(More)
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