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Studies with Sudangrass. II. Nutritive Evaluation by In Vivo and In Vitro Methods 1
Author(s) -
Reid R. L.,
Clark B.,
Jung G. A.
Publication year - 1964
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1964.00021962005600060005x
Subject(s) - dry matter , zoology , agronomy , nitrogen , chemistry , biology , cellulose , protein digestibility , biochemistry , organic chemistry
Synopsis Digestibility and intake data were determined on chopped, green sudangrass fed at various stages of maturity to sheep. Feeding value, as expressed by a calculated Nutritive Value Index, was found to decrease markedly with growth stage; higher levels of nitrogen fertilization had little effect on intake or dry matter digestibility, but increased protein digestibility. In vitro indices of cellulose digestibility and gas production were found to be highly correlated with the animal criteria of digestibility, intake, and N.V.