Effect of fungal solid-state fermented product enriched with gamma-linolenic acid and ß-carotene on blood biochemistry and immunology of broiler chickens
Polish Journal of Veterinary Sciences(2023)
Abstract
The aim of this study was to investigate the effect of the addition of fungal solid-state fer-mented product (FP) enriched with gamma-linolenic acid (GLA) and β-carotene to feed on the haematological and immunological parameters of broiler chickens. Eighty 1-day-old COBB 500 broiler chickens were divided into two groups. The control group was fed with basic diets and chickens of the experimental group received 10% addition of FP, while the amount of basic diet was reduced. FP was produced during a solid-state fermentation (SSF) process using Umbellopsis isabellina CCF2412 as a producer of GLA and β-carotene. After 38 days of feeding, blood sam-ples were collected and analyzed. Lower total and LDL-cholesterol values were measured in blood samples of the experimental animals (p⟨0.05). However, the triacylglycerol content was higher in the experimental group (p⟨0.05). Significantly higher levels of hematocrit and hemo-globin, and lower eosinophil and basophil content in the experimental group were recorded (p⟨0.05). The experimental group showed higher numbers of B lymphocytes and greater phago-cytic capacity (p⟨0.05). The results indicate that a fermented product produced by SSF, using the fungal strain Umbellopsis isabellina, is a good source of GLA and β-carotene, which can influence the biochemical, hematological and immunological parameters of broiler chickens.
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Key words
broiler chickens,blood biochemistry,solid-state,gamma-linolenic
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