ArticleFrontiers in microbiology2026
Effects of micronized bamboo powder on performance, nutrient utilization, intestinal histology, and cecal microbiota in laying hens.
Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Bamboo clum powder is an unconventional feed ingredient rich in insoluble dietary fiber, and its potential application and optimal inclusion level in laying hen diets remain unclear. This study was conducted to evaluate the effects of dietary supplementation with micronized bamboo powder (MBP) on laying performance, apparent nutrient digestibility, intestinal morphology, and cecal microbiota in late-laying hens, and to determine its appropriate inclusion level. Methods: A total of 480 42-week-old Hy-Line Brown laying hens were randomly allocated into 4 groups with 5 replicates of 24 hens each. The trial hens were fed a basal diet (CON) or basal diets supplemented with 2% (TRE1), 3% (TRE2), or 4% (TRE3) MBP for 28 days following a 7-day adaptation period. Results: Compared with the CON group, the TRE3 group exhibited a significantly lower laying rate during days 15-28 and the overall experimental period of 1-28 d ( Discussion: In conclusion, excessive supplementation of MBP (4%) led to thickened intestinal walls, decreased nutrient utilization, and reduced laying rate and egg mass in hens, which may be associated with a reduction in the abundance of beneficial cecal bacteria. Moderate MBP supplementation (2-3%) as a partial substitute for corn had no adverse effects on performance, despite some changes in digestibility and microbiota. This suggests that MBP has potential as an alternative feed ingredient for corn in laying hen diets, but its inclusion level requires careful consideration.
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