Determinação das frações de proteína e de carboidratos de gramíneas do gênero Cynodon em idades ao corte

Content Provider	Semantic Scholar
Author	Gonçalves, Geane Dias Santos, Geraldo Tadeu Dos Jobim, Clóves Cabreira Cecato, Ulysses Damasceno, Júlio César Branco, Antonio Ferriani Silva, Karina Toledo Da
Copyright Year	2008
Abstract	Three Cynodon grasses (Poaceae) (Tifton 85, Tifton 44 and Coast-cross) harvested at ages 21, 42 and 63 days in the summer were evaluated for protein and carbohydrate fractions composition. Crude protein was divided into 5 fractions: A (non-protein nitrogen), B 1 (soluble protein with fast rumen degradability), B2 (insoluble protein with intermediate rumen degradability), B 3 (insoluble protein with slow rumen degradability) and C (indigestible protein). Carbohydrates were divided into 3 fractions: A + B 1 (fast and intermediate rumen digestibility), B2 (slow rumen digestibility) and C (indigestible fiber). Experimental design consisted of a split-plot (grasses as plots and cut age as sub-plots) with three repetitions. Cut age was analyzed by regression and models were chosen on the analysis of identity. There were no differences (p> 0,05) among grasses with regard to protein and carbohydrate fractions composition. C fraction of protein showed linear increase (p 1 fraction decreased (p 2 and C fractions increased (p < 0.05) from 76.86 to 79.42% and 6.83 to 13.55%, respectively, between cuts at 21 and 63 days old.
Starting Page	789
Ending Page	794
Page Count	6
File Format	PDF HTM / HTML
DOI	10.4025/actascianimsci.v23i0.2590
Volume Number	23
Alternate Webpage(s)	http://eduem.uem.br/ojs/index.php/ActaSciAnimSci/article/viewFile/2590/2147
Alternate Webpage(s)	https://doi.org/10.4025/actascianimsci.v23i0.2590
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article