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Estimation of net energy of Italian ryegrass (Lolium multiflorum) silage and hay


, : Estimation of net energy of Italian ryegrass (Lolium multiflorum) silage and hay. Zootecnia e Nutrizione Animale 18(6): 271-283

Net energy was estimated in silage and hay prepared from Italian ryegrass (harvested at the heading stage and several days later, respectively) in 2 digestibility and calorimetric experiments in 4 adult Bergamasca wethers fed the 2 fodders to appetite. Nitrogen in silage and hay was 2.53 and 1.88%, and neutral detergent fibre (NDF) 55.0 and 63.8%, respectively. Intake of DM was 45.1 and 61.2 g/kg0.75. Digestible energy intake was similar for both fodders.

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