Revisiting the methods of Artemia reproductive performance test (Anostraca: Crustacea)

Q3 Agricultural and Biological Sciences
A. Ubaskin, Kairat Akhmetov, T. Abylkhassanov, A. Lunkov, Nazymgul Akimbekova
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引用次数: 0

Abstract

Artemia cf. parthenogenetica Bowen and Sterling, 1978 is widely distributed in the saline lakes of Northern Kazakhstan. Female Artemia can easily be recognized by a brood pouch full of cysts before being released. The number of cysts can be used to estimate both individual reproductive performance and the entire population. During the studies involving Artemia reproductive performance, it was observed that throughout the growing season, in the water bodies, there were females whose well-developed brood pouches were partially filled with cysts. Thus, we were confronted with a question about the relevance of using females with partially filled brood pouches to determine the reproductive performance of Artemia. The number of cysts in a full brood pouch and a partially filled brood pouch revealed consistent differences in the following statistical indicators: average reproductive performance, coefficient of variation, and average minimum and maximum reproductive performance. As the percentage of females in the population with cysts not yet ready to be released increases, the percentage of females with partially filled brood pouches decreases. The general conclusion is that the use of females with partially filled brood pouches underestimates the valid value of average reproductive performance and also changes the pattern of the reproductive performance distribution. The obtained results prove that only females with a full brood pouch should be used when assessing the reproductive performance value of Artemia.
卤虫繁殖性能试验方法的改进(Anostraca:甲壳纲)
单性生殖蒿(Artemia cf. parthenogenetica Bowen and Sterling, 1978)广泛分布于哈萨克斯坦北部的盐湖。在释放之前,雌性阿尔忒弥斯很容易被一个充满囊肿的育儿袋认出。囊肿的数量可以用来估计个体的繁殖能力和整个种群。在对Artemia生殖性能的研究中,观察到在整个生长季节,水体中有发育良好的雌虫,其育苗袋部分充满了囊肿。因此,我们面临着一个问题,即使用部分填充育儿袋的雌性来确定Artemia的生殖性能。在满育袋和半满育袋中,囊泡数在平均繁殖性能、变异系数、平均最小和最大繁殖性能等统计指标上表现出一致的差异。随着种群中囊肿尚未准备释放的雌性百分比的增加,部分填充育儿袋的雌性百分比减少。综上所述,使用部分填充育儿袋的雌性,低估了平均繁殖性能的有效值,也改变了繁殖性能的分布模式。所得结果证明,在评估青蒿的生殖性能价值时,只应使用育儿袋满的雌性。
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来源期刊
Natura Croatica
Natura Croatica Environmental Science-Ecology
CiteScore
0.90
自引率
0.00%
发文量
0
期刊介绍: Natura Croatica is a scientific journal of the Croatian Natural History Museum in Zagreb. It publishes papers that bring original insight into zoology, botany, geology, palaeontology, mineralogy and petrography, with emphasis on systematics, morphology, ecology. The journal welcomes papers related to research carried out in the Croatian Natural History Museum, as well as in other Natural History museums, departments and collections.
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