FIBRE FRACTION IN FORAGE MAIZE HARVESTED AT DIFFERENT STAGES OF GROWTH
Abstract
This study investigated the fiber fractions in forage maize (Zea mays) harvested at different stages of growth: 4, 6, and 8 weeks. The primary objective was to evaluate the variations in neutral detergent fiber (NDF), acid detergent fiber (ADF), and lignin content, which are critical indicators of forage quality for ruminant nutrition. Samples were collected at each growth stage, dried, and analyzed using standard laboratory procedures. Results revealed significant changes in fiber composition as the maize matured. NDF and ADF levels increased with advancing growth stages, indicating reduced digestibility and forage quality at later stages. Lignin content also rose, correlating with increased structural fiber development. The findings suggest that harvesting maize at an earlier growth stage (4-6 weeks) provides forage with higher digestibility and better nutritional value for livestock. These results provide valuable insights for optimizing forage maize harvest timing to enhance feed efficiency and overall animal performance in tropical livestock systems.
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