一个黑骨和蓝蛋的品种的遗传学和繁殖. 3. 3. 3. 3. 这是一件很棒的事情. 视觉蛋颜色和色度仪参数在3个连续世代
Huanhuan Wang1, Avigdor Cahaner2, Lifeng Lou3
1College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Academy of Agricultural Sciences, Hangzhou 310024, China.
Poultry science
|September 21, 2023
概括
这项研究量化了BG线的蛋颜色,发现色度计参数的高遗传性. 这些发现支持通过特定的遗传特征来选择所需的蓝色和绿色蛋颜色.
科学领域:
- 动物遗传学动物遗传学
- 禽畜科学 禽畜科学 禽畜科学
- 量化遗传学 量化遗传学
背景情况:
- 由中国本土品种开发的BG品种,以黑色的尸体和蓝绿色的蛋而闻名.
- 了解蛋颜色的遗传基础对于选择性育种计划至关重要.
- 之前的研究集中在视觉分类上,但为了精确的选择,需要客观的测量.
研究的目的:
- 调查BG品种中蓝绿色蛋颜色的遗传参数和选择标准.
- 为了将客观色度计测量与视觉蛋颜色分类相关联.
- 为了确定卵颜色特征的遗传性和遗传相关性,用于繁殖目的.
主要方法:
- 在三代 (G4-G6) BG的蛋上测量了四个色度参数 (L*,a*,b*,SCI).
- 分类视觉蛋颜色 (明亮,蓝色,绿色,橄) 并根据观察者共识开发了一个数字尺度 (1-4).
- 分析了色度计参数和视觉色彩得分之间的表型和遗传相关性.
主要成果:
- 对色度仪参数的可遗传性估计值很高 (L*:0.6-0.7,a*:0.6-0.7,b*:0.7-0.8,SCI:0.7-0.8).这些参数的可遗传性估计值很高 (L*:0.6-0.7,a*:0.6-0.7,b*:0.7-0.8,SCI:0.7-0.8).
- 数字视觉色彩得分显示了与L*,b*和SCI的显著相关性,以及与a*的中等关联.
- 颜色计参数之间的表型和遗传相关性非常显著,有利于繁殖.
结论:
- 颜色计参数,特别是b*和SCI,具有很高的遗传性,适用于选择蓝色和绿色的蛋颜色.
- 建议使用SCI/L* (蓝色) 或SCI/L*/b* (绿色) 和低a* (浅色) 的特定选择策略.
- 客观色彩测量提供了一种可靠的方法,用于基因改进BG的蛋颜色.
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