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<p>Aging broiler breeder roosters (BBR) exhibit metabolic dysregulation and reduced antioxidant capacity, impacting reproductive and overall health. This study assessed dietary camelina oil (CO) and <i>Tribulus terrestris</i> extract (TTE) effects on blood metabolites, testosterone, liver enzymes, and antioxidant activity in aged BBR. A 10-week, 2 × 3 factorial trial involved 36 BBR (70&#xa0;weeks), assigned to six treatments: CO (0, 1, 2%) and TTE (0, 10&#xa0;mg/kg). At the end of the experimental period, blood samples were collected for the analysis of the parameters. CO and TTE significantly lowered plasma triglycerides and cholesterol, with the 1% CO + 10&#xa0;mg/kg TTE combination proving the most effective (<i>P</i> &lt; 0.05). Testosterone levels increased with 1% and 2% CO. Furthermore, reduced alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities, coupled with enhanced catalase, glutathione peroxidase, superoxide dismutase, and glutathione levels (<i>P</i> &lt; 0.05), indicated improved liver function and reduced oxidative stress. In conclusion, CO and TTE supplementation, particularly 1% CO + 10&#xa0;mg/kg TTE, effectively mitigates age-related metabolic decline and enhances testosterone levels as well as antioxidant defenses in aged BBR, suggesting their potential as beneficial dietary additives.</p>

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Effects of dietary camelina oil and Tribulus terrestris extract on blood metabolites, liver enzymes, and antioxidant activity in aged broiler breeder roosters

  • 期刊论文

  • 发表日期：

    2025年10月21日

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  • Mahrokh Nouri,
  • Saleh Tabatabaei Vakili,
  • Khalil Mirzadeh,
  • Ali Aghaei,
  • Mehran Dorostghoal

摘要

Aging broiler breeder roosters (BBR) exhibit metabolic dysregulation and reduced antioxidant capacity, impacting reproductive and overall health. This study assessed dietary camelina oil (CO) and Tribulus terrestris extract (TTE) effects on blood metabolites, testosterone, liver enzymes, and antioxidant activity in aged BBR. A 10-week, 2 × 3 factorial trial involved 36 BBR (70 weeks), assigned to six treatments: CO (0, 1, 2%) and TTE (0, 10 mg/kg). At the end of the experimental period, blood samples were collected for the analysis of the parameters. CO and TTE significantly lowered plasma triglycerides and cholesterol, with the 1% CO + 10 mg/kg TTE combination proving the most effective (P < 0.05). Testosterone levels increased with 1% and 2% CO. Furthermore, reduced alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities, coupled with enhanced catalase, glutathione peroxidase, superoxide dismutase, and glutathione levels (P < 0.05), indicated improved liver function and reduced oxidative stress. In conclusion, CO and TTE supplementation, particularly 1% CO + 10 mg/kg TTE, effectively mitigates age-related metabolic decline and enhances testosterone levels as well as antioxidant defenses in aged BBR, suggesting their potential as beneficial dietary additives.