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1.
Vet Med Nauki ; 16(5): 18-22, 1979.
Article in Bulgarian | MEDLINE | ID: mdl-545838

ABSTRACT

Nitroxynil distribution and the period of its retention in the organism of sheep and calves subcutaneously treated with therapeutical doses of the Bulgarian patent medicine fasciolid which contains N-methylglucaminic-nitro-xynil salt were followed. Comparative studies were carried out using the patent medicine dovenix "Specia". The polarographic method, based on nitro-group reduction over a dripping mercury electrod was applied for nitroxynil determination. It was established that fasciolid and dovenix applied to sheep and cattle in a prophylactic-therapeutic dose did not differ significantly in their distribution and retention in the organism.


Subject(s)
Cattle/metabolism , Nitrophenols/metabolism , Nitroxinil/metabolism , Sheep/metabolism , Animals , Nitroxinil/administration & dosage , Nitroxinil/analogs & derivatives , Solutions , Time Factors , Tissue Distribution
2.
Vet Med Nauki ; 15(4): 99-102, 1978.
Article in Bulgarian | MEDLINE | ID: mdl-741639

ABSTRACT

A colorimetric method was worked out to determine negligible amounts of arsanilic acid, based on the property of amino groups to form a yellow stained Schiff base in the interaction with an acid solution of p-dimethyl- aminobenzaldehyde. The optic density of the coloured solution in methanol is determined at 450 nm. The presence of the A, D3, C, K3 vitamins, furazolidon, neomycin sulphate, and tylosine phosphate does not interfere with the determination of arsanilic acid.


Subject(s)
Animal Feed/analysis , Arsanilic Acid/analysis , Arsenicals/analysis , Colorimetry/methods , Drug Combinations
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