Analyses of growth performance and realized heritability of the second generation of Indo‐PacificPampus argenteus

Abstract

Silver pomfret (Pampus argenteus) is one of the most important fishery products in the Indo-Pacific Ocean. Nonetheless, little is known about the genetic parameters of economic traits. To determine whether the selective breeding programme would improve economic traits, the authors evaluated the growth performance of the selected group and the control group at 60, 90 and 120 days, and the growth performance parameters of the selected group were higher than those of the control group.Through Pearson correlation analysis, the authors found that the morphological traits that are highly related to the weight of P. argenteus are body length and body height.Genetic gain and realized heritability for body weight were highest at day 90, which were 12.72% and 0.23%, respectively. Therefore, the authors speculate that day 90 may be a critical time for screening. The average coefficient of variation for body weight reached over 30%. All three morphological traits reached moderate realized heritability at day 90 after hatching. These implied that selective breeding has the potential to improve the growth traits of P. argenteus. In addition, the reproductive performance of P. argenteus parent fish was obviously improved after gonadal strengthening. These results provide important information for future breeding programmes for P. argenteus.

Study on growth performance and realized heritability in mass selection strain of silver pomfret (Pampus argenteus)

“…Additionally, Digimizer Version 5.4.4 software was utilized to measure various morphological parameters of P. argenteus, including total length, fork length, body length, head length, trunk length, tail length, snout length, eye diameter, tail stalk length, tail stalk height, and body height. Growth traits measurements of P. argenteus adhered to the second-generation standards proposed by Huang et al (2023). These growth traits were calculated for their mean and standard deviation.…”

“…In his study, fork length and body length were also identified as the traits most strongly correlated with body weight. However, in the analysis of the first and second generations byZhang et al (2022) andHuang et al (2023), traits significantly correlated with body weight included body length, tail length, and body height. After three consecutive generations of Pearson correlation and path analysis, body length consistently emerged as the growth trait most strongly correlated with body weight, a pattern observed in many fish species.…”

Microsatellites as Molecular Markers with Applications in Exploitation and Conservation of Aquatic Animal Populations

“…The heritability of morphological abnormalities in gilthead seabream, Spares aurata , has been shown to be significant [ 482 ]. Microsatellite-based parentage pedigree analysis is continuously used in the present day research of the heritability of different traits in fish and shellfish species [ 483 , 484 , 485 ].…”

Establishment and characterization of a liver cell line from silver pomfret (Pampus argenteus) for studying fish health

“…It is widely distributed in the coastal seas of Southeast Asia and the Middle East (Mohamadi Yalsuyi & Forouhar Vajargah, 2017; Parsamanesh et al, 1998). For nearly a decade, P. argenteus has been considered a high farming potential marine fish species in aquaculture owing to its fast growth rate and high nutritional value, and its artificial propagation and selective breeding have been extensively studied (Al‐Abdul‐Elah et al, 2021; Huang et al, 2022; Zhang et al, 2022). However, alongside the rapid development of the aquaculture of farmed P. argenteus , disease problem has become a great concern during the past years, which resulted in considerable economic losses and posed a significant threat to the sustainable development of the industry (Azad et al, 2012; Duremdez et al, 2004; Ni et al, 2020; Tao et al, 2018; Zhang et al, 2021).…”