Effect of dietary supplementation with Saccharomyces cerevisiae on reproductive parameters of rabbit bucks.

IF 0.8 4区农林科学 Q3 VETERINARY SCIENCES

Acta veterinaria Hungarica Pub Date : 2025-12-05 Print Date: 2026-03-04 DOI:10.1556/004.2025.01218

Amel Najjar, Samia Ben Said, Hafawa Samti

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Abstract

The objective of the present study was to evaluate the effect of dietary supplementation with the prebiotic Saccharomyces cerevisiae yeast on testicular width and semen quality in rabbit bucks. Twenty-four male rabbits were randomly assigned to three groups and their semen was sampled for 8 weeks: a control group (C) fed with a conventional diet without S. cerevisiae, a group supplemented with 0.3 g of S. cerevisiae/kg of feed (T1) and a group supplemented with 1 g of S. cerevisiae/kg of feed (T2). Testicular width was determined using a caliper. Semen was collected from each buck and evaluated for sperm volume, motility, percentage of live sperm and morphological characteristics. The results showed that both right and left testicles were greater (P < 0.01) in width in group T1. Regarding semen parameters, progressive sperm motility was higher (P < 0.01) in the T2 group compared to the C and T1 groups. A significant decrease (P < 0.01) in the percentage of spermatozoa with abnormal mid-piece and flagellum was observed in the T2 group compared to the other groups. Furthermore, the percentage of undeveloped sperm decreased (P < 0.01) in both T1 and T2 groups. However, semen volume and percentage of live sperm did not vary between groups (P > 0.05). These results suggest that S. cerevisiae improved the progressive sperm motility and morphological characteristics at the rate of 1 g kg-1 of feed.

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饲粮中添加酿酒酵母对兔雄鹿生殖参数的影响。

本研究旨在评价饲粮中添加酵母对雄兔睾丸宽度和精液质量的影响。选取24只雄性家兔，随机分为3组，分别饲喂不含酿酒葡萄球菌的常规饲粮（C组）、添加0.3 g酿酒葡萄球菌/kg饲料（T1组）和添加1 g酿酒葡萄球菌/kg饲料（T2组），连续8周采集精液。用卡尺测定睾丸宽度。从每只雄鹿中收集精液，并对精子体积、活力、活精子百分比和形态特征进行评估。结果表明：T1组左、右睾丸宽度均大于对照组（P < 0.01）；精液参数方面，T2组精子进行性活力高于C组和T1组（P < 0.01）。T2组中、鞭毛异常精子比例较其他组显著降低（P < 0.01）。T1和T2组未发育精子比例均显著降低（P < 0.01）。精液量和活精子率组间差异无统计学意义（P < 0.05）。上述结果表明，1 g kg-1的饲料中酿酒酵母能改善精子的运动能力和形态特征。

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来源期刊

Acta veterinaria Hungarica 农林科学-兽医学

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： Acta Veterinaria Hungarica publishes original research papers presenting new scientific results of international interest, and to a limited extent also review articles and clinical case reports, on veterinary physiology (physiological chemistry and metabolism), veterinary microbiology (bacteriology, virology, immunology, molecular biology), on the infectious diseases of domestic animals, on veterinary parasitology, pathology, clinical veterinary science and reproduction.