Food value of a rotifer Brachionus plicatilis, cultured with Tetraselmis tetrathele for larvae of red seabream Pagrus major.

Fukusho, Kunihiko; Okauchi, Masanori; Nuraini, Siti; Sujigado, Akira; Watanabe, Takeshi

doi:10.2331/suisan.50.1439

Cited by 29 publications

(16 citation statements)

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“…The rotifers cultured on N. oculata have more 18:3n-3 fatty acids than C. ellipsoidea. The positive effect of this fatty acid on the growth and survival of Japanese flounder larvae was ruled out by Fukusho et al (1985). The Nannochloris sp.…”

Section: Discussionmentioning

confidence: 99%

The Nutritional Value of Live Foods on the Larval Growth and Survival of Japanese Flounder,Paralichthys olivaceus

Cabrera

Hur

2001

Journal of Applied Aquaculture

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The Japanese flounder, Paralichthys olivaceus, is one of the most common finfish cultured in Japan and Korea. Despite the relatively high production of fingerlings, some problems remain, mainly related to the larval feeding and cost of maintaining microalgae and rotifers. In order to determine the effects of different diets on the Japanese flounder larval growth and survival, a series of experiments was carried out related to the size and nutritional value of different live feeds. The larvae culture conditions were at 10 or 20 larvae/L in 50 to 2,000 L tanks, with aeration and with or without "green water," and a temperature range of 18.5 to 22.5°C. The live foods used were microalgae (Chlorella ellipsoidea and Nannochloris oculata), baker's yeast, experimental n-yeasts, oyster trochophore larvae, three strains of rotifer Brachionus plicatilis (L-type, S-type and U-type) and Artemia nauplii. Variations were detected in size, dry weight, and chemical composition of the three strains of rotifers used. The maximum number of rotifers ingested by flounder larvae increased steadily from 7 individuals, at first feeding (3.13 mm), to 42 individuals at 5.25 mm of total length (6 days after first feeding). There was a relationship between larval total length and size of the rotifers ingested. The effect of rotifer size on larval growth and survival appeared to be limited to the first two days of feeding. Of the diets tested in the growth and survival of larval flounder during 14 days after hatching, rotifers fed on C. ellipsoidea and raised in green-water gave the best results. Rotifers cultured on enriched N. oculata and n-yeasts did not support larval growth and caused higher Downloaded by [University of Otago] at 03:00 26 December 2014mortalities. The n-yeasts used as rotifer enrichment appeared to satisfy, partially, the nutritional requirement of 7-day-old flounder larvae, as did n-yeast squid wintering oil the requirements of 14-day-old larvae. From 7-9-days after hatching and throughout the second 14-day period, rotifers and Artemia cultured on N. oculata improved the survival of flounder compared with those fed on rotifers cultured on C. ellipsoidea. Moreover, the larval growth did not vary significantly between both microalgae-rotifer feedings. No clear relation was found between total protein, lipid, amino acids and fatty acids of live feeds with the growth and survival of flounder larvae, although the total lipid was higher in C. ellipsoidea than in N. oculata. The Artemia nauplii San Francisco strain appeared to be more suitable for the growth and survival of flounder larvae, than the Utah strain. The nutritional value of Artemia nauplii (Utah strain) for flounder larvae remained unchanged despite the use of either microalgae as nauplii enrichment.

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Section: Discussionmentioning

confidence: 99%

The Nutritional Value of Live Foods on the Larval Growth and Survival of Japanese Flounder,Paralichthys olivaceus

Cabrera

Hur

2001

Journal of Applied Aquaculture

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“…The use of exclusively algal diets for larval rearing of penaeid shrimps is well documented (Gopalakrishnan, 1976;Emmerson, 1980;Kuban et al, 1985;Ronquillo & Yamasaki, 1985;Sanchez, 1986;Chu, 1989;Ronquillo & Saisho, 1993, 1995D'Souza & Kelly, 2000). Previous reports (Parsons et al, 1961;Ogino, 1963;Ackman et al, 1968;Watanabe et al, 1983;Fukusho et al, 1984;Whyte, 1987) have shown that phytoplankters have high nutritional content and are an ideal live feed diet for larval shrimps. Ronquillo & Saisho (1993) discussed the relationship between the morphological changes in the feeding apparatus with the shift in feeding habit of penaeid shrimp larvae from filter feeder into raptorial omnivore as the planktonic larvae adapt to benthic life.…”

Section: Larval Rearingmentioning

confidence: 95%

Early Developmental Stages of the Green Tiger Prawn, Penaeus semisulcatus de Haan (Crustacea, Decapoda, Penaeidae)

2006

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Gravid females of Penaeus semisulcatus were spawned in the laboratory by natural means. The embryos were documented and the larvae were reared from hatching to postlarval stage at 28.2-30.0°C and 33.5-34.5 g kg )1 salinity for about 10 days (223 h 55 min). Six naupliar stages, three protozoea stages, three mysis stages and the first postlarval stage were described and illustrated. The larvae were fed only with microalgae Tetraselmis tetrathele and Chaetoceros gracilis from first protozoea until the second mysis, with about 90% survival rate; from the third mysis until the first postlarva they were fed with similar microalgae coupled with rotifer Brachionus plicatilis and Artemia nauplii. The embryonic and larval stages of P. semisulcatus are generally similar to those of other closely related species in the family Penaeidae, such as Melicertus canaliculatus, Fenneropenaeus merguiensis, and Marsupenaeus japonicus, except for the size and structure of diagnostic characters, setation of appendages and duration of metamorphoses. The change in the feeding habit during ontogeny was related to morphological transformation of the feeding apparatus of larvae and postlarvae. This paper is the first comprehensive and complete account of the early developmental stages of P. semisulcatus.

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“…Chlorella, Nannochloris, and Nannochloropsis have been well-known to be easily mass-cultured and to have high contents of protein or unsaturated fatty acids (Chini Zittelli et al, 1999;Hu and Gao, 2003;Cho et al, 2007). However, they are also at high risk of sudden mortality at temperatures over 30 o C, and their low growth rates in water temperatures under 10 o C are problematic (Fukusho et al, 1985;Hur, 1991). Therefore, this study aimed to identify a new species among Chlorella, Nannochloris, and Nannochloropsis that would be specifically suitable for mass culture as rotifer feed during seasons of high and low temperature.…”

Section: Analysis Of the Nutritional Content Of The Microalgae And Romentioning

confidence: 99%

Selection of Suitable Species of Chlorella, Nannochloris, and Nannochloropsis in High- and Low-Temperature Seasons for Mass Culture of the Rotifer Brachionus plicatilis

Bae¹,

Hur²

2011

Fisheries and aquatic sciences

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To find seasonally optimal microalgae for mass culture of the rotifer Brachionus plicatilis, the growth rates of 12 microalgal species (two marine Chlorella spp., five marine Nannochloris spp., two marine Nannochloropsis spp., one estuarine Nannochloropsis sp., and two estuarine Chlorella spp.) were compared at 25°C at 15 psu and 30 psu. Among these, six species showing high growth rates were chosen and examined again at high (30°C and 32°C) and low (10°C) temperatures. Their amino and fatty acids and the dietary value of the rotifers that fed on each microalgal species were examined. Nannochloris sp. (KMMCC-119) and Chlorella vulgaris (KMMCC-120) showed the highest growth rates at temperatures over 30 o C and at 10°C, respectively. The growth rate of Nannochloris was higher than those of Chlorella and Nannochloropsis at high temperatures, but lower than those of the latter at low temperatures. The growth rate of rotifers fed on Nannochloropsis was highest and that of those fed on Chlorella was lowest. Levels of eicosapentaenoic acid and docosahexaenoic acid were highest in Nannochloropsis and lowest in Nannochloris. However, total amino acid content was highest in Nannochloris and lowest in Chlorella. In conclusion, Nannochloropsis sp. (KMMCC-33) was the best microalgal species for the mass culture of the rotifer. However, during high-or low-temperature seasons in which Nannochloropsis does not grow well, Nannochloris spp. (KMMCC-119, 395) and C. vulgaris (KMMCC-120) would adequately replace Nannochloropsis sp. (KMMCC-33).

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Food value of a rotifer Brachionus plicatilis, cultured with Tetraselmis tetrathele for larvae of red seabream Pagrus major.

Cited by 29 publications

References 0 publications

The Nutritional Value of Live Foods on the Larval Growth and Survival of Japanese Flounder,Paralichthys olivaceus

The Nutritional Value of Live Foods on the Larval Growth and Survival of Japanese Flounder,Paralichthys olivaceus

Early Developmental Stages of the Green Tiger Prawn, Penaeus semisulcatus de Haan (Crustacea, Decapoda, Penaeidae)

Selection of Suitable Species of Chlorella, Nannochloris, and Nannochloropsis in High- and Low-Temperature Seasons for Mass Culture of the Rotifer Brachionus plicatilis

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