Abstract
Algae, as a biological component of the environment, holds promise for the development of novel cuisines. This study aimed to appreciate the dietary Spirulina platensis (SP) impact on growth patterns and as an immune stimulant in broilers. SP-fed chicks at 0.5, 1, and 2 g/kg doses significantly improved hematological indices. Also, gas chromatography of fatty acid profile in broiler breast muscles exhibited greater elevation. Serum total proteins, albumin, and globulin levels significantly increased. ElISA (enzyme-linked immunosorbent assay) revealed elevated immunoglobin M, G, and leptin levels as mirrors for immunological response coordination. Reverse transcription polymerase chain reaction (RT-PCR) exhibited depressed tumour necrosis factor-alpha gene expression (TNF-α) in ilial tissue. Gut’s histopathology showed well-developed villi. In conclusion, Spirulina platensis in doses up to 2 g/kg enhances immunity, fatty acid profile, liver function, anti-inflammatory properties, and intestinal absorption of broilers, while doses up to 4 g/kg cause the opposite effect on previous parameters.
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