PROTEIN FRACTIONATION AND DIGESTIBILITY OF MILLET GENOTYPES FOR GRAZING MANAGED AT DIFFERENT CUTTING HEIGHTS

This study was developed with the purpose of evaluating the protein fractionation and in vitro digestibility of the dry matter (IVDMD) of millet genotypes for grazing, managed at different heights and subjected to several cuts. The experiment had a randomized complete block design, with repeated mea...

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Bibliographic Details
Published in:Caatinga 2014-01, Vol.27 (1), p.173-180
Main Authors: Fernandes Leao, Hélida, Aparecida de Pinho Costa, Katia, José dos Santos Dias, Fernando, da Costa Severiano, Eduardo, Soares Epifanio, Patricia
Format: Article
Language:eng ; por
Subjects:
Cultivars
Dry matter
Fractionation
Genotypes
Grazing
Millet
Pasture management
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Summary:This study was developed with the purpose of evaluating the protein fractionation and in vitro digestibility of the dry matter (IVDMD) of millet genotypes for grazing, managed at different heights and subjected to several cuts. The experiment had a randomized complete block design, with repeated measures over time, four replications in a 3x3 factorial arrangement, with three cultivars of millet (ADR 500, LAB 1542 and LAB 1838) and three average cutting heights (60; 80 and 100 cm). Evaluations were undertaken through cuts in the same plots during four months. Results showed that millet genotypes were similar as for the values of protein fractionation and IVDMD. The forage quality is affected by the management of cutting height, thereby it is not recommended to manage millet genotypes at 100 cm height for providing lower fraction A, B1, B2 and digestibility and higher fraction B3 and C of the forage.
ISSN:0100-316X
1983-2125