Wpływ dowymieniowej infuzji ekstraktu z propolisu i wybranych mykostatyków na stan czynnościowy gruczołu mlekowego u krów

*Przemysław Dudko

Summary
A comparison of reaction in the cow´s udders on infusions of the ethanol extract of propolis (EEP) water emulsion, also two antimycotic preparations (Pimafucin and Pimavecort) containing the natamycin were the object of this work. The in offensiveness estimation of the tested drugs was made on 15 healthy ncb lactating cows of 450-550 kg of body weight. Intra-mammary introduction of EEP water emulsion causes changes in milk, but the latter recess after 1.5-2 days from the last application of the preparation. More intensive changes in milk after introduction of Pimafucin disappeared after three days. The serious milk changes and clinical stiffening of the udders after introduction of Pimavecort disappeared after eight days from the last infusion. In five other healthy cows there was stated the carency period of milk after triple infusions of EEP water emulsion. The yellow pigmentation in first streams of milk after the introduction of propolis may aid in maintaining the carency period for milk. After 72 and 120 hours from the last infusion of the propolis preparation no track values of this drug, typical of its biological activity, were stated in cow´s milk on the basis of laboratory tests.

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