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Elizondo-Salazar, 2004. Agronomía Mesoamericana, 15 (2): 209-213

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Elizondo Salazar, J., 2004. Quality and intake of mulberry (Morus alba), ramie (Boehmeria nivea (L) Gaud) and black sorghum (Sorghum almum) fodder in goats. Agronomía Mesoamericana, 15 (2): 209-213
Alternative title 

Calidad nutricional y consumo de morera (Morus alba), ramio (Bohemeria nivea (L.) Gaud) y sorgo negro forrajero (Sorghum almum) en cabras


The experiment was carried out in the Experimental Station Alfredo Volio Mata of the University of Costa Rica. Mulberry, ramie and black sorghum fodder intake was evaluated and compared in 9 La-Mancha goats with an average body weight of 38(±1 kg), distributed in a 3×3 Latin square design with replicates. The experimental treatments were (a) mulberry fodder, (b) ramie fodder and (c) black sorghum fodder. Mulberry had 90 days, ramie 56 and black sorghum 70 days of regrowth. The forage given was chopped (stems and leaves). Samples of offered and rejected material were gathered to analyse dry matter, crude protein and neutral detergent fibre contents. Highly significant differences were observed (P=0.01) for fresh forage, dry matter, crude protein and neutral detergent fibre intake by goats. Dry matter intake for the different treatments was within the range reported in the literature and were 1.94, 0.97 and 0.90% of body weight for mulberry, ramie and black sorghum diets, respectively. Crude protein intake with mulberry and ramie was high enough to cover maintenance requirements and they gave a surplus to obtain liveweight gains above 50 g/day. Fresh forage, dry matter, crude protein and neutral detergent fibre intakes were higher for mulberry followed by ramie diets.

El experimento se llevó a caboen la Estación Experimental Alfredo Volio Mata de la Universidad de Costa Rica. Se evaluó y comparó el consumo de morera, ramio y sorgo negro forrajero en nueve cabras raza La Mancha, con un peso promedio de 38 (±1) kg, distribuidas en un diseño de cuadrado latino 3 x 3 repetido. Los tratamientos experimentales fueron: a) dieta única de morera, b) dieta única de ramio y c) dieta única de sorgo negro. La morera con una edad de rebrote de 90 días, el ramio con 56 días y el sorgo negro con 70 días. El forraje se suministró en forma fresca picada (tallos y hojas). Se recolectaron muestras del material ofrecido y rechazado para el análisis de materia seca, proteína cruda y fibra neutro detergente. Se observaron diferencias altamente significativas (P≤0,01) para el consumo de forraje fresco, materia seca, proteína cruda y fibra neutro detergente. La ingesta de materia seca para los diferentes tratamientos se encontró dentro del rango reportado en la literatura, siendo de 1,94, 0,97 y 0,90 del peso vivo respectivamente. Con los consumos de proteína cruda obtenidos con la dieta de morera y ramio, los animales cubrieron sus necesidades de mantenimiento y suplieron el nutrimento de forma extra para alcanzar ganancias de peso diarias superiores a los 50 gramos. La dieta que presentó los mayores niveles de consumo de forraje verde, forraje seco, proteína cruda y fibra neutro detergente fue la correspondiente a morera, seguida de la dieta de ramio.

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Elizondo-Salazar, 2004
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