K. Grigorov

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A total of 108 cows were gynecologically investigated. Twenty-four of them were found to be suitable as donors. These were within the range of the 40th to the 60th day following calving, were not inseminated, and had no complications at calving and over the puerperal period. Estrus was synchronized via implants (3 mg norgestomet Synchromate B, Intervet in(More)
Titanium dioxide (TiO2) thin films have generated considerable interest over recent years, because they are functional materials suitable for a wide range of applications. The efficient use of the outstanding functional properties of these films relies strongly on their basic characteristics, such as structure and morphology, which are affected by(More)
Experiments were carried out to establish a method for the identification of proteins in white brined cheese and kashkaval, made of sheep and cow milk or a mixture of them in different proportions. It was proved that the application of a polyacryl amid electrophoresis under definite conditions can secure a species identification of the proteins of the white(More)
Studied were the composition and the technologic properties of the milk of Dutch Black pied cattle under this country's conditions. Milk samples were taken for analysis once in a month on a cow farm founded in 1964 with a total of 67 impregnated heifers and having at the time of investigation 88 cows, twelve of them remaining from the initial animals(More)
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