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Rodriguez et al., 1999. Arq. Bras. Med. Vet. Zootec., 51 (5): 485-490

Document reference 
Rodriguez, N. M. ; Gonçalves, L. C. ; Nogueira, F. S. ; Borges, A. L. C.C. ; Zago, C. P., 1999. Forage sorghum silage with different tannin concentration and moisture in the stem. I - Dry matter concentration, pH and fat acids during fermentation. Arq. Bras. Med. Vet. Zootec., 51 (5): 485-490
Alternative title 

Silagem de sorgo de porte baixo com diferentes teores de tanino e de umidade no colmo. I – pH e teores de matéria seca e de ácidos graxos durante a fermentação


Four hybrid forage sorghums with different tannin concentrations and moisture in the stem were ensiled in laboratory silos made of "PVC" tubes. The silos were opened after 1 (P2), 7 (P3), 14 (P4), 28 (P5) e 56 (P6) days after ensiling, in order to evaluate fermentation patterns and other silage characteristics. Twenty-four treatments were used, with four repetitions each: four hybrids (T1=moist stem/low tannin, T2=not moist stem/low tannin, T3=not moist stem/high tannin, T4= moist stem/high tannin) and with six periods, since the forages before ensiling (P1) were also studied. Dry matter content (DM), dry matter losses, pH, lactic acid and volatile fat acids were determined. Data were evaluated by analysis of variance, with mean separation achieved using Tukey statistical test. The stability was achieved between P4 and P5. T1 and T2 had lower DM content and acetate than T3 and T4. All silages showed good fermentation patterns.

Citation key 
Rodriguez et al., 1999