ArticlePloS one2025
Cecal microbiota of broilers responds similarly to black soldier fly larvae fat and conventional dietary fat sources.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Evaluation of the jejunal microbiota and microbial markers in laying hens fed diets with black soldier fly larval fat as a partial or total replacement for soybean oil.Poultry science · 2026Article
- Curcumin modulates targeted gut bacterial populations and NF-κB/NRF2 immune-redox responses in Eimeria-challenged broilers fed soybean or canola oil.Scientific reports · 2026Article
- Immunometabolic Reprogramming by Black Soldier Fly (Animals : an open access journal from MDPI · 2026Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study aimed to compare the effects of black soldier fly (Hermetia illucens) larvae (BSFL) fat with those of dietary fats commonly used in broiler chicken nutrition on gut pH and cecal microbiome. A total of 800 one-day-old male Ross 308 chicks were randomly assigned to eight dietary groups, with each group consisting of 10 replicate pens of 10 birds each fed for 35 days. The study design was as follows: the basal diet was enriched with various dietary fats as the sole source of fat, including BSFL fat (as the reference group), soybean oil (SO), rapeseed oil (RO), palm oil (PO), palm kernel fatty acid distillate (PKFD), poultry fat (PF), pig lard (PL), and beef tallow (BT). At the end of the experiment (35 days), the digesta from the crop, gizzard, jejunum, and ceca were sampled for further analyses, including pH determination and next-generation sequencing (NGS). Compared with PKFD, PF, and BT, BSFL significantly reduced the crop pH (P = 0.005). Additionally, BSFL increased the gizzard pH (P = 0.006) relative to PKFD. No differences in alpha diversity were detected among the diets; however, beta diversity differed significantly between the BSFL and PKFD groups (P = 0.034). BSFL fat was associated with a significant reduction in the abundances of Proteobacteria (P = 0.011), Enterobacteriaceae (P = 0.009), and Escherichia-Shigella (P = 0.009) compared with PKFD fat. LEfSe analysis revealed the following microbial markers responsive to BSFL treatment: total bacteria (P < 0.001), Rikenellaceae (P = 0.025), Peptococcaceae [uncultured genus] (P = 0.003), Rhodospirillales (P = 0.048), Alistipes (P = 0.025), the Eubacterium coprostanoligenes group (P = 0.018), the Clostridia vadin BB60 group (P = 0.032), and Alistipes sp. (P = 0.023). These findings suggest that BSFL positively affects the pH in the upper part of a bird's gut compared with selected animal fats. Furthermore, BSFL enriched beneficial bacteria while inhibiting opportunistic pathogens in the cecal environment of broiler chickens.
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