Effects of chokeberry pomace supplementation on biochemical, metabolic and antioxidant parameters in high-yielding dairy goats

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Introduction: ) on metabolic and antioxidant parameters in high-yielding dairy goats. Material and Methods: Twenty-seven Polish White Improved goats in mid-lactation were divided into three groups: a control group and two experimental groups receiving chokeberry pomace at 15 g/kg (A1) and 30 g/kg (A2) of dry matter in the feed. Biochemical, enzymatic, mineral, and oxidative stress parameters were analysed. Results: Supplementation, particularly in group A2, improved the lipid profile by reducing low-density lipoprotein and triglycerides and increasing high-density lipoprotein levels. It also enhanced antioxidant capacity (higher glutathione and 2,2-diphenyl-1-picrylhydrazyl values) and positively influenced liver and lysosomal enzyme activity. Changes in creatinine, cholinesterase and creatine kinase levels were observed, along with correlations between calcium and metabolic markers. Conclusion: These findings suggest that chokeberry pomace may serve as a valuable feed additive in the nutrition of high-yielding dairy goats, promoting their metabolic health and potentially enhancing milk quality.

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