Nutritional value of Mombasa grass submitted to different grazing heights and nitrogen fertilization / Valor nutritivo do capim-Mombaça submetido a diferentes alturas de pastejo e adubação nitrogenada

Pause, Alzira Gabriela da Silva; França, Aldi Fernandes de Souza; Okada, Eliane Sayuri Miyagi; Gandra, Jefferson Rodrigues; Dupas, Elisângela; Oliveira, Euclides Reuter de; Ferreira, Jorge Luís; Marques, Orlando Filipe Costa

doi:10.34188/bjaerv4n1-071

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Section: Discussionsupporting

confidence: 89%

“…The higher aNDFom values within grasses were relatively close to the results reported by Megersa et al [46], Muhakka et al [47], and da Silva Pause et al [48] who assessed different species of grasses in various regions. Results revealed that the mean ADFom concentration present in grasses was 460 g/kg DM, which was greater than the reported values of 326 g/kg DM and 384 g/kg DM by Katongole et al [49] and Mosisa et al [50].…”

Section: Discussionsupporting

confidence: 89%

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Characterizing Biomass Yield and Nutritional Value of Selected Indigenous Range Species from Arid Tunisia

Louhaichi

Gamoun

Hassan³

et al. 2021

Plants

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Rangelands of Tunisia show a great indigenous species diversity with considerable potential as forage for livestock. However, information on their fodder yield and quality is scanty and restricted to few species. The objective of the study was to evaluate the nutritive values of selected key perennial species based on their biomass yield, chemical composition, in vitro organic matter digestibility (IVOMD), and mineral composition. The species evaluated included four grass species (Stipa lagascae Roem. and Schult., Stipa tenacissima L., Stipagrostis plumosa (L.) Munro ex T. Anderson, and Stipagrostis pungens (Desf.) de Winter.) and eight shrub species (Anthyllis henoniana Coss. ex Batt., Argyrolobium uniflorum (Deene.) Jaub. and Spach., Echiochilon fruticosum Desf., Gymnocarpos decander Forssk., Helianthemum kahiricum Delile., Helianthemum lippii (L.) Dum. Cours., Plantago albicans L. and Rhanterium suaveolens Desf.). Results showed that shrub species contained higher concentrations of the crude protein (CP), acid detergent lignin (ADL), but lower neutral detergent fiber (aNDFom) and acid detergent fiber (ADFom) concentrations than grasses. The greatest concentration of CP was 135 g/kg DM for R. suaveolens. The greatest aNDFom concentration was found within the grasses with maximum of 744.5 g/kg DM in S. plumosa. The shrub species E. fruticosum, A. uniflorum, P. albicans, G. decander, R. suaveolens, and A. henoniana had the highest IVOMD with over 500 g/kg DM and have the potential to supply energy to livestock. Overall, the moderate to high protein, low fiber, and high in vitro digestibility measured for shrubs, suggest they have high nutritional values and can be used to enhance local livestock production.

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Section: Discussionsupporting

confidence: 89%