三种土鸡基因型精液质量的季节性变化

Md Saiful Islam, Shakila Faruque, Mohammad Emadul Huda, Md. Redoan Akond Sumon, Md Zulfekar Ali
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引用次数: 0

摘要

这项研究在孟加拉国家畜研究所(Bangladesh Livestock Research Institute)进行,旨在评估三种本地公鸡的精液质量和特性,并探索季节性变化。这项研究使用了来自三种基因型的 90 只公鸡样本,即非描述性 Deshi (ND)、Hilly (HI) 和 Naked Neck (NN)。共收集了 548 份精液样本,以评估不同季节精液的颜色、体积、浓度和透明度。精液采集采用腹部按摩技术,用结核菌素注射器测量精液量。使用计算机辅助精子分析(CASA)软件测定精液的微观物理和形态特征。结果显示,三种土鸡的精液质量因季节而异(p < 0.001)。秋季 ND 的精液质量相对较好,夏季 HI 的精液质量相对较好,春季 NN 的精液质量相对较好。夏季精液量最高(0.318 ± 0.010 ml),春季精液量最低(0.218 ± 0.008 ml)。基因型对精液量有显著影响(p < 0.01),精液和基因型交互作用对精液量的影响不显著(p > 0.05)。与 ND 和 HI 相比,NN 的精子浓度更高。HI和NN基因型的静态精子、弯尾精子、卷尾精子、DMR、远端液滴和近端液滴的百分比相对较高。精液的颜色、浓度和体积受基因型和季节的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Seasonal variation of semen quality among the three genotypes of native chicken
The study, conducted at the Bangladesh Livestock Research Institute, aimed to assess semen quality and characteristics in three types of indigenous cocks and explore seasonal variations. Ninety bird samples from three genotypes, namely non-descript Deshi (ND), Hilly (HI), and Naked Neck (NN), were used in this research. A total of 548 semen samples were collected to evaluate the color, volume, consistency, and transparency of semen in different seasons. Semen collection was performed using an abdominal massage technique, and volume was measured with a tuberculin syringe. For determining microscopic physical and morphological characteristics, computer-assisted sperm analysis (CASA) software was used. Results showed that among three types of indigenous cocks, semen quality differed (p < 0.001) from season to season. Semen quality was comparatively good for ND in the autumn season, for HI in the summer season, and for NN in the spring season. The highest semen volume (0.318 ± 0.010 ml) was recorded in the summer season, and the lowest semen volume (0.218 ± 0.008 ml) was recorded in the spring season. Genotype had a significant (p < 0.01) effect on semen volume, and the effect of semen and genotype interaction on semen volume was non-significant (p > 0.05). The sperm concentration was higher in NN compared to ND and HI. The percentages of static, bent tail, coiled tail, DMR, distal droplet, and proximal droplet were comparatively higher in the HI and NN genotypes. The color, consistency, and volume of semen were affected by genotype and season. 
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