Yields of cultured Pacific oysters Crassostrea gigas Thunberg improved after one generation of selection

Growth and economic performance of diploid and triploid Pacific oysters Crassostrea gigas cultivated in three lagoons of the Gulf of California

“…Due to its fast growth (Taris et al, 2007), resistance to variations of temperature and salinity (Flores-Vergara et al, 2004), meat quality (Langdon et al, 2003), shell shape (Ward et al, 2000), and disease resistance (Villanueva-Fonseca & EscobedoBonilla, 2013), this species has been introduced in many countries of the world (Soletchnik et al, 2002), including Mexico. Despite of the growing interest for its cultivation, there are still some factors that need to be studied to support the economy of this industry, such as genetics and specific strains adapted to local conditions of new cultivation sites.…”

Summer mortality of hatchery-produced Pacific oyster spat (Crassostrea gigas). I. Estimation of genetic parameters for survival and growth

“…Successful selection to improve resistance to MSX and to Dermo has been achieved in eastern oysters, C. virginica (Haskin and Ford 1987;Ragone-Calvo et al, 2003), as well as resistance to bonamiosis in European flat oysters, Ostrea edulis (Naciri-Graven et al, 1998) and resistance to Marteilia sydneyi in Sydney rock oyster, Saccostrea glomerata (Nell and Hand, 2003). Langdon et al (2003) demonstrated a positive response to selection for yield with realized heritability ranging from 0.01 to 0.50, indicating that yield can be improved by genetic selection. Because yield is the result of survival and growth, it is important to determine if this genetically determined variation in yield is primarily driven by differences in growth, survival or both traits.…”

Phenotypic and genetic consequences of size selection at the larval stage in the Pacific oyster (Crassostrea gigas)

“…The proportion of spat produced by hatcheries is increasing continually. This is notably because of increasing interest in triploids (Nell, 2002) and, more recently, selective breeding (Langdon et al, 2003;Boudry et al, 2004).…”