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Inhibición de la formación de ácidos grasos volátiles durante la fermentación ruminal ¨in vitro¨ por colistina, kanamicina y penicilina

Authors: Silva, J.; Llopis, J.; Zamora, S.;

Inhibición de la formación de ácidos grasos volátiles durante la fermentación ruminal ¨in vitro¨ por colistina, kanamicina y penicilina

Abstract

Se ha estudiado el efecto de tres antibióticos: Kanamicina, Penicilina y Colistina a las dosis de 0,125 a 2,50 mg/ml; 50 a 1.000 U:.I./ml; 500 a 7.500 U.I./ml, respectivamente, sobre la formación de ácidos grasos volátiles, siguiendo el método "in vitro" de Tilley y Terry, con un sustrato de almidón, celulosa y urea (47,5, 47,5 Y 5 %) respectivamente. Los tres antibióticos son capaces de inhibir la producción total de ácidos grasos volátiles, siendo la Penilicina el menos eficaz. La Kanamicina y la Colistina aumentan la relación acético-propiónico pero no la Penicilina. Ninguno de los antibióticos ensayados tienen una acción beneficiosa sobre la produc.ción de ácido propiónico.

The effect of three antíbiotics (Kanamycin, Penicillin and Colistin), at doses from 0,125 to 2,50 mg/ml; 50 to 1.000 U.I./ml; 500 to 7.500 U. I./ml, respectively) on the production of volatile fatty acids, has been studied according to the Tilley and Terry's method "in vitro", with a substract of starch, cellulose and urea (47,5, 47,5 and 5 %1) respectively. All three antibiotics are able to inhibit the total production of volatile fatty aCids, but Peniciline is the less effective. Kanamycin and Colistin increase the relation aetic-propionic, but Penicillin does noto None of the three tested antibiotics has a possitive effect on the propionic acid production.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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