Effect of crossbreeding three divergent populations on the juvenile production and rearing performance of the redclaw crayfish Cherax quadricarinatus

Hernández-Gurrola, José Andrés; Naranjo‐Páramo, José; Vargas-Mendieta, Mayra; Cruz-Hernández, Pedro; Villarreal-García, Alejandra; Mora-Castrejón, Graciela; Villarreal, Humberto

doi:10.1016/j.aquaculture.2020.735420

Cited by 1 publication

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“…Considering that, the overall objective of evaluating diverging lines is to establish a founder stock with wider genetic variation and significant capacity for domesticated management in aquaculture systems. The results of genetic variation and previous production performance (Hernández-Gurrola et al 2020) reveal that the CIBNOR (generation 12) line is appropriate for founder stock cross-breeds with individuals from the other evaluated lines in Mexico.…”

Section: Discussionmentioning

confidence: 93%

“…Up to _________________ Corresponding editor: José Gallardo 10,000 juveniles from this domesticated stock were shipped to the Tamaulipas farm in 1998 and 1999. Over the next few years, Acuacultivos Santo Domingo distributed juveniles and broodstock to several sites in Mexico, including the Northwest Biological Research Center (CIBNOR, acronym in Spanish) in La Paz, Baja California Sur, El Vergel farm in Soto La Marina, Tamaulipas, and La Alberca, a semi-intensive farm near Nueva Italia, Michoacán, geographically isolated from each other (Hernández-Gurrola et al 2020). El Vergel farm additionally received an undetermined number of offspring from Auburn University in [2005][2006][2007][2008] to conduct research (Nabor Medina-El Vergel farm owner-, pers.…”

Section: Introductionmentioning

confidence: 99%

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Genetic diversity of divergent redclaw crayfish Cherax quadricarinatus (Von Martens, 1868) populations evaluated to initiate a breeding program in Mexico

Max-Aguilar

Villarreal

Leyva-Valencia³

et al. 2021

Lat. Am. J. Aquat. Res.

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Cherax quadricarinatus is a decapod crustacean of interest to the aquaculture industry. In Mexico, a significant effort has been made to improve biological requirements, but the genetic characteristics are unknown. We examined the genetic diversity and differentiation in four populations in Mexico (three commercial farms and one feral population), as well as one research line from Argentina, used as reference. To initiate a founder stock in a genetic improvement program, we analyzed five microsatellite markers. The genetic diversity in terms of the number of alleles was low to moderate (2.8-6.2) in Mexican populations than the Argentinean sample (8.8). A pairwise Wright's Fst analysis showed that all populations were significantly different (P < 0.5). Cross-breeding organisms from a different population are suggested to increase genetic variability before initiating a founder stock with higher genetic variation.

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Section: Discussionmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%