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Villaviciosa, Spain

Martinez-Fernandez A.,Regional Institute of Agro food | Soldado A.,Regional Institute of Agro food | de la Roza-Delgado B.,Regional Institute of Agro food | Vicente F.,Regional Institute of Agro food | And 2 more authors.
Spanish Journal of Agricultural Research | Year: 2013

Forage ensilability mainly depends on dry matter (DM), water soluble carbohydrates (WSC) and buffer capacity (BC) values at harvest time. According to these parameters, and based on a collection of 208 forages of known ensilability characteristics including short and long term meadows for grazing, italian ryegrass, maize, triticale, soybean, faba bean crops, and samples coming from cereal-legume associations, the objective of this study has been to define a quantitative ensilability index (EI) based on a relationship between DM, WSC and BC contents at harvest date, adapted to the characteristics of fodder from wet temperate areas. For this purpose, a discriminant procedure was used to define this EI based on a linear combination of DM, WSC and BC of forages at harvest time. The quantitative calculated indexes distinguish five successive ranges of ensilability: high ensilability (EI > +28), medium high ensilability (+9 < EI ≤ +28), medium ensilability (-28 < EI ≤ +9), medium low ensilability (-47 ≤ EI ≤ -28) and low ensilability (EI < -47). This quantitative index was externally evaluated and 100% of samples were successfully classified. Source

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