AI Article Synopsis

  • The study explored the impact of Isalo scorpion cytotoxic peptide (IsCT) on growth, immunity, and gut bacteria in yellow-feathered broilers, using a controlled diet experiment over 60 days.
  • Results indicated that higher doses of IsCT (150 and 200 mg/kg) led to significantly greater body weight and daily weight gain compared to the control group, alongside improved feed conversion ratios.
  • Immune function was positively affected, with increased IgA and IgG levels in groups receiving IsCT, and gut microbiota analysis revealed notable changes in microbial populations compared to the control group.

Article Abstract

Introduction: This study aimed to investigate the effects of Isalo scorpion cytotoxic peptide (IsCT) on the growth performance, immune function, and gut microbiota of yellow-feathered broilers.

Methods: The experiment involved supplementing a corn-soybean meal-based diet with various dietary levels of IsCT. The experiment adopted a completely randomized design. A total of 240 one-day-old yellow-feathered broilers were randomly divided into six groups: a control group (CON), a chlortetracycline group (CTC), and four groups receiving a basal diet with 50, 100, 150, or 200 mg/ kg IsCT (IsCT50, IsCT100, IsCT150, and IsCT200). The trial period lasted 60 days.

Results: The results showed that the average final body weight and average daily weight gain of the IsCT150 and IsCT200 groups were significantly higher than those of the CON group ( < 0.05). Compared to the CTC group, the average daily feed intake in group III was significantly lower ( < 0.05). The feed conversion ratios of the IsCT150 and IsCT200 groups were significantly lower than those of the IsCT50 and CON groups ( < 0.05). Albumin levels in the CTC and IsCT150 groups were significantly higher than those in the CON, IsCT100, and IsCT50 groups. Alanine transaminase levels in the IsCT150 group were significantly lower than those in the IsCT50, IsCT200, CON, and CTC groups ( < 0.05), but there was no significant difference compared with the IsCT100 group ( < 0.05). IgA levels in the IsCT150, IsCT200, and CTC groups were significantly higher than those in the IsCT50 group ( < 0.05). IgG levels in the CTC, IsCT100, IsCT150, and IsCT200 groups were significantly higher than those in the IsCT50 and CON groups ( < 0.05). 16S rRNA sequencing indicated significant differences in the caecal microbiota between the IsCT and CON groups ( < 0.05). The abundance of increased, whereas that of Firmicutes decreased in the IsCT groups; however, the difference was not significant ( < 0.05). The relative abundances of and were significantly different in the IsCT100 group ( < 0.05).

Discussion: In conclusion, supplementing the basal diet with IsCT improved growth performance, immune function, and gut microbiota of yellow-feathered broilers at an optimal supplementation level of 150 mg/kg.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11688812PMC
http://dx.doi.org/10.3389/fvets.2024.1511680DOI Listing

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Article Synopsis
  • The study explored the impact of Isalo scorpion cytotoxic peptide (IsCT) on growth, immunity, and gut bacteria in yellow-feathered broilers, using a controlled diet experiment over 60 days.
  • Results indicated that higher doses of IsCT (150 and 200 mg/kg) led to significantly greater body weight and daily weight gain compared to the control group, alongside improved feed conversion ratios.
  • Immune function was positively affected, with increased IgA and IgG levels in groups receiving IsCT, and gut microbiota analysis revealed notable changes in microbial populations compared to the control group.
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