试图增加Astyanax altiparanae的产卵率和响应性卵子细胞的百分比
Daniel Guimarães Figueiredo Ariki1, Mariana Roza de Abreu1, Laíza Maria de Jesus Silva1
1Centro de Aquicultura da UNESP - CAUNESP, Universidade Estadual Paulista - UNESP, Via de Acesso Prof. Paulo Donato Castellane, S/N, 14884-900 Jaboticabal, SP, Brazil.
Animal reproduction science
|June 9, 2023
概括
优化培养阿斯蒂亚纳克斯 (Astyanax altiparanae) 的低化协议对于提高排卵率至关重要. 测试了鱼垂体同质剂量和注射频率,分量剂量显示了适度的改善,但仍然需要进一步增强有效的产卵.
科学领域:
- 水产养殖是水产养殖的一种方式.
- 鱼类生殖生物学 鱼类生殖生物学
- 内分泌学 在内分泌学.
背景情况:
- 培养的阿斯蒂亚纳克斯 (Astyanax altiparanae) 的低化方案以前产生了60%的最大排卵率.
- 提高养殖鱼类的繁殖效率对于可持续的水产养殖实践至关重要.
研究的目的:
- 调查阿斯蒂亚纳克斯 (Astyanax altiparanae) 的低化方案的修改.
- 为了提高排卵率超过之前记录的60%的最大值.
主要方法:
- 使用鱼垂体同质化物 (CPH) 进行了两项实验.
- 实验1:测试了3,6和9毫克/公斤的单次CPH注射.
- 实验2:在单次和双次注射中评估了6mg/kg的CPH.
主要成果:
- 一次3毫克/千克的CPH剂量是无效的;6毫克/千克在排卵时增加了前列腺素 (PGF2α) 水平.
- 一次9mg/kg的CPH剂量对产卵率产生了负面影响.
- 将6mg/kg CPH分成两次注射改善了产卵率和体积,但只导致了~40%的排卵.
结论:
- 目前对阿斯蒂亚纳克斯 (Astyanax altiparanae) 的低化方案需要显著改进.
- 需要进一步的研究来增强女性更大比例的排卵诱导.
- 优化协议可以提高对响应的女性排卵诱导的强度.
相关概念视频
01:11Testing a Claim about Mean: Known Population SD
2.8K
A complete procedure of testing the hypothesis about a population mean is explained here.
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...
2.8K
02:07Oogenesis
63.9K
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
63.9K