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    Nutritional quality and animal production of Brachiaria pastures

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    Authors
    Lascano, Carlos E.
    Euclides, VPB
    Date
    1996
    Language
    en
    Type
    Book Chapter
    Accessibility
    Open Access
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    Citation
    Lascano, Carlos E.; Euclides, Valéria Pacheco Batista. 1996. Nutritional quality and animal production of Brachiaria pastures. In: Miles, John W; Maass, Brigitte L; Valle, Cacilda Borges do; Kumble, Vrinda (eds.). Brachiaria: Biology, agronomy, and improvement. Centro Internacional de Agricultura Tropical (CIAT); Campo Grande, BR : Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA), Centro Nacional de Pesquisa de Gado de Corte (CNPGC), Cali, CO. p. 106-123. (CIAT publication no. 259)
    Permanent link to cite or share this item: http://hdl.handle.net/10568/54884
    External link to download this item: http://books.google.com/books?id=dMF6QpfVdjMC&printsec=frontcover&dq=&pg=PA106
    Abstract/Description
    Brachiaria grasses, especially R decumbens cv. Basilisk (signalgrass), are the most widely grown pastures in subhumid and humid tropics. When fertilized with nitrogen and well managed, these pastures have high forage quality (measured as digestibility). Animal production is therefore high and relatively stable over time. Sometimes, however, animals fed on signalgrass and other Brachiaria species sicken, or show hepatogenous photosensitization, possibly caused by plant metabolites (steroidal saponins). Nitrate toxicity has been reported with R arrecta and may occur with other species. Although digestibility is high, it varies considerably among and within Brachiaria species, but is relatively stable across environments for any given material, The variation is caused mostly by different levels of crude protein (CP), possibly associated with inhibition of nitrification. Animal performance therefore differs from one Brachiaria grass to another. On acid, infertile soils, such as those of the Colombian Llanos, the protein content of Brachiaria grasses tends to decrease, thus reducing animal performance. But if Brachiaria grasses are grown in association with compatible legumes (e.g., Arachis pintoi) the performance of both animals and pasture can significantly improve. Breeders should also take advantage of the variation in Brachiaria to select materials of higher quality than currently used commercial cultivars, and when breeding for spittlebug resistance.
    AGROVOC Keywords
    BRACHIARIA; PANICUM MAXIMUM; ARACHIS PINTOI; DESMODIUM OVALIFOLIUM; CENTROSEMA; STYLOSANTHES GUIANENSIS; DRY MATTER CONTENT; NUTRITIVE VALUE; CHEMICAL COMPOSITION; PHOTOPERIODICITY; GENETIC VARIATION; DIGESTIBILITY; WEIGHT GAIN; FERTILIZER APPLICATION; PROTEIN QUALITY; ANIMAL PRODUCTION; COLOMBIA; BRACHIARIA; PANICUM MAXIMUM; ARACHIS PINTOI; DESMODIUM OVALIFOLIUM; CENTROSEMA; STYLOSANTHES GUIANENSIS; CONTENIDO DE MATERIA SECA; VALOR NUTRITIVO; COMPOSICIÓN QUÍMICA; FOTOPERIODISMO; VARIACIÓN GENÉTICA; DIGESTIBILIDAD; GANANCIA DE PESO; APLICACIÓN DE ABONOS; CALIDAD PROTEICA; PRODUCCIÓN ANIMAL; COLOMBIA
    Subjects
    TROPICAL FORAGES; BIOFORTIFICATION;
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    • CIAT Book Chapters [1976]

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