Madras Agricultural Journal
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Evaluation of Hybrid Napier (NB-21) for its Forage Quality by Cell-Wall Component Analysis

Abstract

An investigation was made to evaluate the forage quality of hybrid Napier (118-21) by cell-wall component analysis. The fresh yield, dry matter contert and dry matter yield increa sad, whereas, leaf to stem ratio and crude protein content decreased with crop maturity. The cell-wall components namely neutral-detergent fibre (NDF), acid-detergent fibre (ADF), acid-detergent lignin (ADL) and silica increased with crop maturity. The cell-wall components were more in stem than in leaf except silica where it was just reverse. Leaf registered more digestible dry matter per cent (DDM) than stem and the DDM % decreased with crap growth. The annual DDM yield was maximum when the crop was cut at 50 days interval.

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