title: [Effect of formaldehyde on the protection of proteins in the silage of the peanut plant (Arachis hypogaea)].
abstract: An experiment was performed to study the formaldehyde protective effect on the ensilaged whole peanut plant protein (21.5% CP). The experimental design consisted in four treatments 5, 10, 15 and 20% formaldehyde, which was added in the proportion of 5 lt, per ton. A control group without any formaldehyde was also included. There were no significant differences in regard to pH among treatments (5.56 to 5.70). Ammonia concentration dropped significantly in all treatments, a finding which suggests a protective effect on protein nitrogen degradation to non-protein nitrogen (NH3). A lactic acid fermentation was observed, without any difference between treatment and the control group. Nevertheless, there was a reduction in propionic acid and ethanol concentration in all the silages. Therefore, it is concluded that there was an inhibition of the fermentation process in all the silages treated, and that the addition of formaldehyde at the 5% level is a satisfactory way of protecting this type of feed.
mesh_terms: D000641:Ammonia; D000821:Animal Feed; D010367:Arachis; D005285:Fermentation; D005557:Formaldehyde / Q000494:pharmacology*; D006863:Hydrogen-Ion Concentration; D009584:Nitrogen; D014674:Plant Proteins, Dietary; D012820:Silage
chemical_list: D014674:Plant Proteins, Dietary; D005557:Formaldehyde; D000641:Ammonia; D009584:Nitrogen
vernacular_title: Efecto del formaldehido en la protección de proteínas del ensilaje de la planta de cacahuate (Arachis hypogaea).