The spotted rose snapper (Lutjanus guttatus Steindachner 1869) farmed in marine cages: review of growth models

Abstract

The main purpose of this study was to review the growth models used in fish culture and demonstrate the benefit of using the most appropriate growth model for aquaculture studies. For this reason, another part of this study was to use a dataset from spotted rose snapper (Lutjanus guttatus Steindachner, 1869) cultured in floating cages to determine what growth models were applicable to this species. A total of 558 weight‐at‐age data points from a commercial farm located near Nayarit, Mexico were used. The fish were cultured for 270 days in three cages of 125 m3 capacity. The initial density was 25 fish m−3, with an average weight of 2.07 ± 0.52 g. Four asymptotic models (von Bertalanffy growth model, a logistic model, the Gompertz growth model and the Ratkowsky modified model), three nonasymptotic models (exponential, power extended and persistence models) and three versions of the generalized Schnute model were selected as candidate models. The best model was selected based on the Akaike information criterion. The maximum log‐likelihood algorithm was used to parameterize the models considering a multiplicative error structure. The survival was 90%, and the average final weight was 429.84 ± 31.53 g. We concluded that the best model for describing the growth of spotted rose snapper farmed in marine floating cages was the Schnute model.

Dietary administration of astaxanthin improves feed utilization, growth performance and survival of Asian seabass,Lates calcarifer(Bloch, 1790)

“…All calculations for survivability, growth performance and feed utilization indices were based on the following expressions: Specific growth rate, SGR (%/day) = [ln final fish weight (g) − ln initial fish weight (g)] x 100/days Survival (%) = 100 x (final fish number/initial fish number) Weight gain, WG (%) = 100 x [final fish weight (g) − initial fish weight (g)]/initial fish weight (g) Condition factor, K = 100 x final body weight (g)/body length (cm) 3 Feed conversion ratio, FCR = dry feed fed (g)/[final fish weight (g) − initial fish weight (g)] Feed efficiency ratio, FER = [final fish weight (g) − initial fish weight (g)]/dry feed fed (g) Protein efficiency ratio, PER = weight gain (g)/protein intake (g) (Castillo‐Vargasmachuca, Ponce‐Palafox, Arambul‐Munoz, Rodriguez‐Dominguez, & Aragon‐Noriega, ; Li et al, ; Lugert, Thaller, Tetens, Schulz, & Krieter, ). …”

Growth Performance of the Mangrove Red Snapper (Lutjanus argentimaculatus) in Freshwater Pond Comparing Two Stocking Densities and Three Feed Types

“…The annual production of mangrove red snapper in the Philippines in 2018 was 1,532 metric tons valued at PHP 246.7 M. The culture of red mangrove snapper is gaining popularity because it is a hardy and fast-growing fish and highly regarded in the market. In floating net cages in marine waters, it could grow to 700 g to 1 kg over a culture period of 6-18 months with a survival rate of more than 70% (Herrera-Ulloa et al 2010;Castillo-Vargasmachuca et al 2016;Velarde et al 2012). It could grow to 300 g to 1 kg in brackish water ponds over a culture period of 6-18 months with at least 75% survival rate (Emata 2003b;Rimmer 1998;Coniza et al 2012;SEAFDEC 1992).…”

Growth and fillet yield in recirculation systems of Lobotes pacificus (Perciformes: Lobotidae), a species with aquaculture potential

“…The Absolute Growth Rate (AGR) found in D2 (Table 2) places L. pacificus among a select group of species with high growth rates, such as Rachycentron canadum with 16.7 and 12.1 g day -1 (Benetti et al 2010); Epinephelus itajara with 6.83 and 12.4 g day -1 (Botero & Ospina, 2003); Seriola rivoleana with 5.3 g day -1 (Benitez- Hernández et al 2017), Oreochromis niloticus with values recorded between 3.29 and 4.47 g day -1 (Lima-Amancio et al 2014), Lutjanus analis with 3.16 g day -1 (Botero & Ospina, 2002), Sciaenops ocellatus with 2.7 g day -1 (Vela et al 2018), and Lutjanus guttatus with 1.58 g day -1 (Castillo-Vargasmachuca et al 2016). Compared to juveniles of other commercial marine fish studied in recirculation systems, SGR of L. pacificus was lower than the range reported by Webb et al (2007) for R. canadum (5.18 to 5.29% BW day -1 ) and by Do-Huu et al (2018) for Trachinotus ovatus (3.15 to 3.26% BW day -1 ), but similar to the one reported by Palstra et al (2015) for Seriola lalandi (2.1%BW/day -1 ), and superior to the values reported by authors such as Weirich et al (2009) for Trachinotus carolinus (0.81% BW day -1 ), Álvarez-González et al (2001) for Paralabrax maculatofasciatus (1.73% BW day -1 ), and Merino et al (2007) for Paralichthys californicus (1.18% BW day -1 ).…”