| dc.description.abstract | The present work had the objective of evaluating the bromatological characteristics and the potential of losses of silage composed of black oats (Avena strigosa Schreb.) And ryegrass (Lolium multiflorium Lam.) With addition of wheat bran and / or leguminous meal. Legume used was vetch (Vicia sativa). The implantation of silage fodder was carried out in six plots of 9 m2. Distributed in four treatments and three replicates in randomized blocks. The treatments consisted of confection of silos from the consortia between Oat + Azevém (AVAZ); Oat + Azevém + Wheat bran (AVAZFT); Oat + Azevém + Leguminosa (AVAZE); Oat + Azevém + Leguminosa + Wheat bran (AVAEFT). Wheat meal was added as soon as the material was ensiled, at an inclusion level of 3%. The material for the ensiling was obtained from the 3rd cut made in the plots, dated August. The samples were ensiled in experimental PVC silos (50 cm long by 10 cm diameter). The evaluation consisted in characterizing the hydrogen ionic potential (pH), the contents of original dry matter (DM), organic matter (OM), mineral matter (MM), crude protein (CP), neutral detergent fiber Acid detergent (FDA) of the final material. The analyzes of the potential of losses of gases (PG) and effluents (PE) were made through equations. The AVAZ silage had a lower value for (MS) of 20.4%, while the other treatments (AVAZFT, AVAZE and AVAZEFT) did not differ among themselves, with higher values and above 21% of DM. For the bromatological composition of the silages, the levels of PB were not significant among the treatments, with values between 21.5 and 20.6 of PB, and the values of NDF, ADF, OM and MM, expressed differences in relation to treatments, In which AVAZ treatment presented higher levels of MM and AVAZFT treatment higher levels of OM, NDF and FDA. The pH differed according to the treatment, with AVAZE silage having a higher value of 4.37 and the lowest AVAZEFT treatment of 4.19. The quantification of losses by gases and effluents showed statistical difference only for the effluent loss variable, with 1.6 kg / ton. Of effluent losses silage for AVAZ treatment. The inclusion of both legume and wheat bran and the inclusion of both showed potential positive effects on the nutritional quality of silage when compared to oat and ryegrass silage only. | |
