ArticleTropical animal health and production2025
Effects of Bacillus subtilis and Lactobacillus on production performance, meat quality, serum immunoglobulins, immune organ indices and redox status in heat-stressed broilers.
Article in Tropical animal health and production, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Microbial markers of resilience and its correlation with reproductive performance in lactating sows under heat stress condition.Tropical animal health and production · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
This study investigated the effects of dietary Bacillus subtilis (BS group), Lactobacillus (LAB group), and their combination (COM group) on the growth and slaughter performance, meat quality, serum immunoglobulins, immune organ indices, and immune organ antioxidant activity of heat-stressed broilers. A total of 200 one-day-old Cobb broilers were randomly divided into five treated groups, with four replicates per treatment and 10 birds per replicate. Results showed that heat stress (HS) had multiple negative effects on broilers: it reduced average daily feed intake (ADFI) and average daily gain(ADG), and increased the feed-to-gain ratio (F/G) (P < 0.05); and slaughter performance decreased except for leg muscle and abdominal fat yields (P < 0.05); meat quality (pH, drip loss, shear force, and some color parameters) deteriorated (P < 0.05); serum immunoglobulin levels (P < 0.05), thymus/spleen/bursa indices (P < 0.05), and thymic glutathione peroxidase (GSH-PX) levels were reduced (P < 0.05), while malondialdehyde (MDA) levels increased (P < 0.05). Compared with the HS group, the probiotic-treated groups (BS, LAB, and COM groups) improved the ADG and reduced the F/G of broilers (P < 0.05). The BS group increased the semi-eviscerated yield (P < 0.05), while the LAB group improved the carcass yield, eviscerated yield, and semi-eviscerated yield (P < 0.05). The BS group had lower drip loss and shear force in breast muscles (P < 0.05), and the LAB and COM groups showed reduced shear force in leg muscles (P < 0.05). The probiotic-treated groups exhibited higher a* value in leg muscles (P < 0.05). These groups also showed elevated serum IgA, IgM, and IgG (P < 0.05); the BS group had a higher bursa index (P < 0.05), while the LAB group displayed enhanced thymic total superoxide dismutase (T-SOD) activity (P < 0.05). This study demonstrates that dietary Bacillus subtilis and Lactobacillus supplementation enhances growth and slaughter performance, meat quality, serum immunoglobulin levels, immune organ indices, and antioxidant activity in heat-stressed broilers. It mitigates HS impacts, providing substantial practical value for broiler farming under thermal stress conditions.
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41217542What Socratic holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.