狗精液细菌与精液质量参数之间的相互作用
Šarūnė Sorkytė1, Rita Šiugždinienė2, Marius Virgailis2
1Animal Reproduction Laboratory, Faculty of Veterinary Medicine, Veterinary Academy, Lithuanian University of Health Sciences, Tilžės Str. 18, LT-47181 Kaunas, Lithuania.
Animals : an open access journal from MDPI
|August 10, 2024
概括
狗精液中的细菌存在会影响精子质量. 高细菌数量和像大肠杆菌这样的特定细菌降低了运动性和活力,而Corynebacterium可能表明精液健康状况更好.
科学领域:
- 兽医科学 兽医科学 兽医科学
- 生殖生物学 生殖生物学
- 微生物学 微生物学
背景情况:
- 狗精液质量评估对于诊断男性不孕症至关重要.
- 影响犬精液质量的因素是复杂的,并未完全理解.
- 细菌在狗精液参数中的作用需要进一步研究.
研究的目的:
- 评估狗精液样本中的细菌对精液特征的影响.
- 为了确定细菌负载,微生物群组成和精子质量参数之间的关系.
- 为了识别与低于最佳或优异的犬精液质量相关的特定细菌物种.
主要方法:
- 从30只雄犬手动采集精液样本.
- 综合精液分析,包括精子的运动性,度,活力和形态.
- 与细菌计数 (CFU/mL) 和已识别的微生物群相关的精液参数的统计分析.
主要成果:
- 每毫升细菌数量的增加与精子运动率的降低显著相关 (p < 0.05).
- 斯塔菲洛科克菌种,科里尼细菌种和链球菌种. 是最常见的细菌系.
- 甲型血溶性大肠杆菌存在与显著降低的精液活力和正常形态学有关 (p < 0.05).
- 科里尼细菌 (Corynebacterium spp.) 的一种. 与较低的细菌负载和优越的精液质量相关 (p < 0.01).
结论:
- 细菌细胞数量和微生物群的多样性是影响犬种质量的重要因素.
- 特定的细菌形状,如大肠杆菌,对狗的繁殖参数产生负面影响.
- 了解犬种子微生物群有助于改善生殖健康评估和管理.
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