Effect of dietary protein level on spawning and egg quality of redclaw crayfish Cherax quadricarinatus

Rodríguez‐González, Hervey; García-Ulloa, Manuel; Hernández‐Llamas, Alfredo; Villarreal, Humberto

doi:10.1016/j.aquaculture.2006.01.020

Cited by 50 publications

(53 citation statements)

References 34 publications

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“…The processes associated with reproductive development and maturation require intense protein biosynthesis, whereby the parent must sustain not only its own metabolic needs, but also fuel the nutritional requirements of the developing embryos (Harrison, 1990;Wouters et al, 2001a). This coupled with the larger body size of broodstock relative to juveniles have solidified the critical importance of adequate dietary protein availability and storage in the reproductive biology of decapod crustaceans (Castille and Lawrence, 1989;García-Guerrero et al, 2003;Harrison, 1990;Rodriguez-Gonzalez et al, 2006;Rodriguez-Gonzalez et al, 2013;Saoud et al, 2012;Wouters et al, 2001a). As such, the reduced protein content of the MB maturation diet overall may still have contributed to the reduced hatch rates; however the sole impact on egg hatching that these Treatment combinations are represented based on diet treatments fed, where: C + C = control grow-out and maturation diet; C + MB = control grow-out diet with MB maturation diet; MB + C = MB grow-out diet with control maturation diet; MB + MB = MB grow-out and maturation diet; Gdiet = grow-out diet; Mdiet = maturation diet; n.s.…”

Section: Discussionmentioning

confidence: 98%

The effects of adding microbial biomass to grow-out and maturation feeds on the reproductive performance of black tiger shrimp, Penaeus monodon

et al. 2016

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Section: Discussionmentioning

confidence: 98%

The effects of adding microbial biomass to grow-out and maturation feeds on the reproductive performance of black tiger shrimp, Penaeus monodon

et al. 2016

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“…Therefore, it is questionable if the food composition for females was sufficient for producing high quality eggs (Klavens and Sorgeloos 1991), an effect already observed in the finfish Hippoglossus hippoglossus (Linnaeus) (Bromage et al 1994) and other crayfish like Cherax quadricarinatus (von Martens) (Rodríguez- González et al 2006) and Astacus leptodactylus (Eschscholtz) (Harlıoğlu and Barim 2004). Recent experiments showed poor growth performance of A. astacus fed with industrial carp feed than animals fed a natural diet (Seemann et al In Press).…”

Section: Discussionmentioning

confidence: 99%

Survival of Early Stripped Eggs of the Noble Crayfish, <i>Astacus astacu</i>, and Effects of Saline Solution During Artificial Incubation

Seemann

Lorkowski

Schiffer

et al. 2014

Freshwater Crayfish

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There is growing interest in using recirculating aquaculture systems (RAS) to produce juvenile noble crayfish, Astacus astacus (Linnaeus), a valuable and once plentiful food species in Europe, now a highly endangered species. The survival rates of early stripped eggs of A. astacus were compared across anti-fungal treatments in an artificial RAS incubation system based on a saline bath of approx. 20 -22 mS cm -1 or 15 -16 PSU over two different durations. Time from fertilisation to hatching was 82 days or 1191 degreedays. Low survival rates (live successfully hatched juveniles at end of experimental period) between 11.0 ± 9.5% and 26.6 ± 3.7% were obtained. Survival was significantly affected by the duration of egg bath within the saline solution with twice as high survival rates when eggs were saline-bathed once every two days for five minutes in comparison to eggs without treatment. Fungal rates were significantly affected by treating the eggs with a saline solution with infection rates decreasing from 3.7 ± 1.0% to 0.8 ± 0.5% in the ten minute saline bath treatment. Appropriately applied saline bathing can markedly improve survival of early-stripped noble crayfish eggs. However, further research is required to determine whether viable levels of hatching success can be obtained using early stripping and saline treatment.

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“…Crude protein was 32%, as recommended by Rodríguez–González et al (2006). The selected ingredients were based on digestibility results described by Campaña‐Torres et al (2005) and previous trials with C. quadricarinatus (Cortés‐Jacinto et al 2005; Rodríguez‐González et al 2006). The mineral and vitamin premix was based on Civera (1993).…”

Section: Methodsmentioning

confidence: 99%

Dietary Lipid Requirements for Optimal Egg Quality of Redclaw Crayfish, Cherax quadricarinatus

Rodríguez‐González¹,

Villarreal²,

García-Ulloa³

et al. 2009

J World Aquaculture Soc

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The effect of three crude dietary lipid levels (4, 8, and 12%) on egg quality of the female redclaw crayfish, Cherax quadricarinatus, was evaluated. Three replicate groups of 40 crayfish (mean initial weight ± SD, 23.0 ± 3.0 g) per diet treatment were stocked in 15,000 ‐L tanks, at 28 C. After 75 d of culture, there were significant differences (P < 0.001) in egg area (3.52–3.90 mm2), volume (34.0–39.3 mm3), weight (4.81–5.36 mg), and diameter (2.15–2.27 mm) in response to dietary lipids in the diet. Using the quadratic equation, the maximum responses of these parameters corresponded to lipid levels from 8.60–8.84%. There were no significant differences (P > 0.05) in survival (82.1–86.9%), final weight (41.0–43.7 g), number of spawning females (18.12–27.38%), and fecundity (9.07–10.31 eggs/g female). Additionally, there were no significant differences (P > 0.05) in egg mean protein (2306.87 ± 440.08 μg/egg), lipid (441.95 ± 83.23 μg/egg) and carbohydrate (74.81 ± 10.12 μg/egg) contents, and energy (13.49 ± 2.25 kcal/egg). The optimum overall response was obtained for dietary lipid content of 8.7%, which we recommend to optimize egg quality of this freshwater crayfish.

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Effect of dietary protein level on spawning and egg quality of redclaw crayfish Cherax quadricarinatus

Cited by 50 publications

References 34 publications

The effects of adding microbial biomass to grow-out and maturation feeds on the reproductive performance of black tiger shrimp, Penaeus monodon

The effects of adding microbial biomass to grow-out and maturation feeds on the reproductive performance of black tiger shrimp, Penaeus monodon

Survival of Early Stripped Eggs of the Noble Crayfish, <i>Astacus astacu</i>, and Effects of Saline Solution During Artificial Incubation

Dietary Lipid Requirements for Optimal Egg Quality of Redclaw Crayfish, Cherax quadricarinatus

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