Metamorphosis and Postlarval Growth of Abalone Haliois Rufescens in a Mexican Commercial Hatchery

Searcy-Bernal, Ricardo; Flores-Aguilar, Roberto

doi:10.2983/0730-8000(2007)26[783:mapgoa]2.0.co;2

Cited by 10 publications

(4 citation statements)

References 11 publications

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“…The growth rate of C. pica post‐larvae in this study (21 μm/day) was lower than those reported for other commercial vetigastropods such as T. niloticus (60 μm/day; Heslinga & Hillmann, ), H. rubra (50 μm/day; Daume et al., ) and H. rufescens (50 μm/day; Carbajal‐Miranda, Sánchez‐Saavedra, & Simental, ; Searcy‐Bernal, Pérez, Anguiano, & Flores, ). The mean percentage of C. pica post‐larvae recovered in this study (2%) was lower or similar to those obtained in other species at similar sizes (between 1 and 2 mm), such as T. niloticus (9%; Heslinga & Hillmann, ), H. mariae (2%; Al‐Rashdi & Iwao, ) and H. rufescens (8%; Leighton, ).…”

Section: Discussioncontrasting

confidence: 77%

Experimental culture of larvae, post-larvae and juveniles of the West Indian top shell, Cittarium pica (Linnaeus 1758)

Velasco

Barros

2018

Aquac Res

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The West Indian top shell, Cittarium pica, is an endangered vetigastropod of ecological and commercial value from the Caribbean. In order to assess the use of aquaculture as a tool for its sustainable production and conservation, embryos were produced in hatchery and experimentally cultured until juveniles under different conditions. Embryos were incubated under two temperatures (25 and 29°C) and six densities (0.3, 0.6, 1.0, 4.0, 9.0 and 37.0% of bottom‐coverage). Larvae were reared under different temperatures (25 and 27°C), densities (0.5, 1, 1.5 and 10 larvae/ml) and culture systems (static and down‐welling). Post‐larvae were obtained in three different settling conditions, and the early juveniles were cultured supplying fresh seaweed (Laurencia obtusa and Padina gymnospora), natural multi‐specific biofilm and Cylindroteca sp. biofilm. The growth and survival of embryos and larvae were not affected by temperature, but they were affected by density. Higher values were obtained at low densities (<1% of embryos bottom‐coverage and <1 larvae/ml), except for the growth of larvae, which was similar among treatments. Higher larval survival was recorded using the static culture system, and higher percent of post‐larvae recovered was associated with lower density of crawling veliger (0.2 and 0.1/ml), while its higher growth rate was related to the use of biofilms with conspecific mucus and low water‐flow (50%/h). The type of food tested did not affect the juvenile growth, but higher survival was obtained in those fed with seaweed than with multi‐specific biofilm.

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Section: Discussioncontrasting

confidence: 77%

Experimental culture of larvae, post-larvae and juveniles of the West Indian top shell, Cittarium pica (Linnaeus 1758)

Velasco

Barros

2018

Aquac Res

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“…These results are particularly encouraging, as survival rates lower than 70% are usually reported in weaning abalone (Takami et al 2002, Hernández et al 2009. Moreover, the registered growth rate met the standard growth of commercial postlarvae Haliotis rufescens in Mexican farms estimated to be ~2.0 mm/month (Searcy-Bernal et al 2007). Both observations suggest that the use of mixed diets together with the rearing conditions used in this study should be considered for future experimental studies and farmed production.…”

Section: Discussionmentioning

confidence: 67%

Effects of six diets on the growth and survival rates of postlarvae of red abalone (Haliotis rufescens) and its hybrid (H. rufescens ♀ × H. fulgens ♂)

Cicala

Tripp-Valdez

Montes-Orozco

et al. 2023

scimar

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One of the main bottlenecks in abalone aquaculture is maintaining individuals during the weaning stage, when the natural diet changes from diatoms (postlarvae) to macroalgae (juvenile). During this period, abalone pass through profound morphological and physiological changes, which suitable nutrient requirements must sustain. An inadequate diet can result in adverse effects such as late metamorphosis, starvation, slow growth and even death during this phase. Two strategies have been proposed to increase the growth and survival rates of weaning abalone: (i) extending feeding with benthic diatoms and (ii) abalone hybridization via interspecific crosses. To evaluate the efficiency of the two strategies, we assessed the growth and survival rates of postlarvae of pure red abalone (Haliotis rufescens) and a hybrid obtained by crossing red abalone females with green abalone (H. fulgens) males. Both crosses were supplied with six different diets consisting of either one macroalgae mono-diet (Macrocystis pyrifera or Ulva ohnoi) or a mixture with Navicula incerta. Overall, cross-specific diets achieved better growth rates, suggesting that each cross may need specific food items (nutrients) during weaning. Moreover, pure red abalone generally showed the highest growth rates, while the hybrid abalone showed the highest survival rates with most tested diets. Hence, hybrids appear to be better at withstanding stressful conditions, and their use in aquaculture could reduce losses and increase commercial production.

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“…GABA is also effective in inducing abalone settlement and metamorphosis [22] and has been used in various aquaculture practices [23]. In one rotifer culture procedure, the addition of GABA during the lag phase or at high density (100 ind./ml) for 24 or 48 h before the culture was expanded to 10-l mass cultures increased rotifer population growth [24].…”

Section: Introductionmentioning

confidence: 99%

Effect of gamma-aminobutyric acid and porcine growth hormone on survival of the euryhaline rotifers Brachionus plicatilis sp. complex preserved at low temperature

Assavaaree¹,

Hagiwara

2011

Fish Sci

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Gamma-aminobutyric acid (GABA) at 50 lg/ ml and porcine growth hormone (GH) at 0.025 IU/ml were tested to see whether these chemicals would reduce the stress experienced by euryhaline rotifers Brachionus plicatilis species complex (L-, S-and SS-morphotypes) during low temperature (4-12°C) storage. Rotifers cultured at 25°C were transferred to 4-12°C for 10-30 days and transferred back to 25°C for recovery. GABA or GH were added to the rotifers at three different time points: 6 h before transfer from 25°C to low temperature (6h-), on day 7 after preservation at low temperature (7d?) and on the first day of recovery. For L-type rotifers, the GH treatment before the transfer to 4°C for 30 days was effective for better survival, while the GABA treatment was most effective for the S-type preserved at 10°C for 14 days. For the SS-type, the chemical treatments were not effective when the rotifers were preserved at 12°C for 14 days. After low temperature preservation, GABA treatments with the S-and SS-type rotifers just after their transfer to 25°C induced a relatively faster recovery of the rotifer population.

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Metamorphosis and Postlarval Growth of Abalone Haliois Rufescens in a Mexican Commercial Hatchery

Cited by 10 publications

References 11 publications

Experimental culture of larvae, post-larvae and juveniles of the West Indian top shell, Cittarium pica (Linnaeus 1758)

Experimental culture of larvae, post-larvae and juveniles of the West Indian top shell, Cittarium pica (Linnaeus 1758)

Effects of six diets on the growth and survival rates of postlarvae of red abalone (Haliotis rufescens) and its hybrid (H. rufescens ♀ × H. fulgens ♂)

Effect of gamma-aminobutyric acid and porcine growth hormone on survival of the euryhaline rotifers Brachionus plicatilis sp. complex preserved at low temperature

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