• Title/Summary/Keyword: abalone Haliotis discus hannai

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The Estimation of Selection Response for Growth Traits in 31-month Old of Pacific abalone, Haliotis discus hannai (31개월령 북방전복, Haliotis discus hannai의 성장형질에 대한 선발반응 추정)

  • Park, Jong-Won;Park, Choul-Ji;Lee, Jeong-Ho;Noh, Jae-Koo;Kim, Hyun-Chul;Hwang, In-Joon;Kim, Sung-Yeon
    • The Korean Journal of Malacology
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    • v.28 no.4
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    • pp.335-342
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    • 2012
  • This study was conducted to estimation the selection response for growth-related traits in 31-month old of Pacific abalone, Haliotis discus hannai were born in 2008. In overall mean of surveyed traits and standard deviation showed $76.31{\pm}7.247$ mm of shell length, $49.48{\pm}5.307$ mm of shell width and $40.96{\pm}6.80$ g of total weight. The effect of sex and maturity were statistically significant in all traits include out a condition factor (p < 0.01). And In effect of sex, female were higher than male in all traits excepting condition factor, significantly. In correlation between breeding value and phenotypic value by each traits, showed rank correlation coefficient and simple correlation coefficient, which represented low positive correlation. A hopeful genetic improvement to the next generation showed 6.96 mm of shell length, 4.47 mm of shel width and 12.93 g of total weight. Therefor, It is considered that if considering properly selection intensity and selection ratio, efficient improvement could be made.

Survival and Growth of the Abalone, Haliotis discus hannai and Sea Cucumber, Stichopus japonicus Co-cultured in Indoor Tank (실내 수조에서 북방전복과 해삼의 복합사육에 따른 생존과 성장)

  • Jin, Young-Guk;Oh, Bong-Se;Park, Min-Woo;Cho, Jae-Kwon;Jung, Choon-Koo;Kim, Tae-Ik
    • The Korean Journal of Malacology
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    • v.27 no.4
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    • pp.331-336
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    • 2011
  • The present study investigated survival and growth of the abalone, Haliotis discus hannai and sea cucumber, Stichopus japonicus co-cultured and supplied with abalone formula feed (AFF) and dry sea tangle (DST) in indoor tank. During the experimental period from April 20 to July 15 in 2011, we used abalone with shell length of $28.54{\pm}1.23mm$ and total weight of $2.92{\pm}0.26g$. The sea cucumber used in the experiment weighed $3.0{\pm}0.2g$ in wet weight. For the experiment, 3 types of feeds including AFF, DST and AFF-DST mixed (1:1) group were supplied to abalone and sea cucumber. During the experiment, survival of abalone reached over 97.0% and 87.0% for sea cucumber in three experimental tanks. Survival of the abalone was found to be higher in DST group, while it was lower among sea cucumber, although the survival was not significantly different among three experimental group. Growth of abalone fed with AFF was significantly higher, while the growth rate of sea cucumber was highest in the tank fed with AFF+DST mixed diet (P < 0.05).

Effects of Supplemental Squid Meal, Attractant, Herb or Lecithin in the Formulated Diets on Growth Performance in Juvenile Abalone (Haliotis discus hannai) (배합사료내 오징어분, 먹이유인물질, 한약제 및 lecithin의 첨가가 참전복의 성장 및 체성분에 미치는 영향)

  • LEE Sang-Min;LIM Yong-Su;LEE Jong Kwan;PARK Sung-Real;MYEONG Jeong-In;PARK Yun Jeong
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.32 no.3
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    • pp.290-294
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    • 1999
  • An 18-week growth trial was conducted in flow-through aquarium system to investigate the effects of several additives in formulated diets on the growth and body composition of juvenile abalone (Haliotis discus hannai). Four replicate groups of abalone averaging 150 mg were fed one of four isonitrogenous ($33.8\%$) and isolipidic ($5.8\%$) diets containing $5\%$ squid meal, $0.5\%$ attractant, $1\%$ herb or $0.5\%$ lecithin. In addition, these formulated diets were compared to commercial diet. Survival rate and shell growth of abalone were not significantly affected by the different dietary additives and commercial diet (P>0.1). Body weight gain of abalone fed the diet containing herb was higher than those of abalone fed the diets containing squid meal or lecithin and commercial diet (P<0.1). Moisture, protein, lipid and ash contents of soft body were not influenced by dietary additives and commercial diet (P>0.1). The results suggest that herb as additive in this formulated diet can improve weight gain of abalone.

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TECHNICAL STUDY ON THE ARTIFICIAL PRECOCIOUS BREEDING OF ABALONE, HALIOTIS DISCUS HANNAI INO (충무근해산 한전복 Haliotis discus hannai Ino의 조기채묘 기술에 관한 연구)

  • KIM Yongsool;CHO Changhwang
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.9 no.1
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    • pp.61-68
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    • 1976
  • For the artificial precocious breeding of abalone effects of changes in environmental parameters, water temperature and light period, on the induction of spawning have been studied. Subtidal specimens of Haliotis discus hannai were collected irregularly for 6 times from April to June 1975 in Chungmu Bay near Jukdo Island, the southern coast of Korea. One hundred and fifty specimens were reared in 4 aquarium tanks in the laboratory and in a creel submerged in the sea during the period of 60 days from April 24 to June 23, 1975. The all groups kept in the four tanks and a creel showed very high spawning rates $(70\~100\%)$, compared to those inhabited the natural environment at sea until right before the spawning time $(0\~50\%,\;average\;16.4\%)$. From the results of the present induced spawning, the parameters can be discussed as follows: It seems likely that photoenvironment may stimulate to produce and secrete some internal substances which may concern to giving the fertilizing ability to the eggs before spawning and to inducing spawning, but the temperature may not be a factor for this concern. For effective precocious breeding, it seems to require that abalones are to be realoed under controlled conditions of darkness below 2,000 lux even during day time for more than 60 days before inducing spawning.

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Algal Consumption and Preference of Sea Urchins, Strongylocentrotus nudus, S. intermedius and Abalone, Haliotis discus hannai (둥근성게, 북쪽말똥성게 및 참전복의 일일 먹이소비량 및 해조류 먹이선택성)

  • Kim, Su-Kyoung;Kim, Young-Dae;Jeon, Chang-Yong;Gong, Yong-Gun;Kim, Dong-Sam;Kim, Jin-Hee;Kim, Myoung-Lae;Han, Hyoung-Kyun
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.40 no.3
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    • pp.133-140
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    • 2007
  • In 2006, we studied herbivore consumption rate and preference for algal species using laboratory experiments. In the no-choice feeding experiment, three herbivores (two sea urchins, Stronglyocentrotus nudus and Stronglyocentrotus intermedius and an abalone, Haliotis discus hannai) showed significantly (P<0.05) distinct preferences for four algae (Laminaria japonica, Undaria pinnatifida, Costaria costata and Ecklonia stolonifera). The alga preferred by S. nudus was L. japonica followed by U. pinnatifida, C. costata and E. stolonifera with respective daily feeding rates of $5.7{\pm}:0.85\;g,\;4.4{\pm}0.89\;g,\;3.1{\pm}0.39\;g\;and\;2.1{\pm}0.32\;g(mean{\pm}SE)$. A similar trend was found for S. intermedius. Interestingly, the herbivore consumption rates for the algae differed with or without competition. The competition stimulated the feeding activity for S. nudus, but lowered the activity for S. intermedius. The multi-choice feeding experiment confirmed that L. japonica was significantly preferred by two herbivores: S. nudus and H. discus hannai (Duncan's multiple range test, ANOVA, p<0.05).

RFLP Analysis of the mtDNA COI Region in Four Abalone Species

  • Park, Choul-Ji;Kijima, Akihiro
    • Fisheries and Aquatic Sciences
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    • v.9 no.3
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    • pp.101-106
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    • 2006
  • The cytochrome c oxidase subunit I (COI) gene region of mitochondrial DNA (mtDNA) was examined in four abalone species to estimate its utility as a genetic marker using restriction fragment length polymorphism (RFLP) analysis. The utility was evaluated in terms of genetic divergence and relationships among Haliotis discus hannai, H. rufescens, H. rubra, and H. midae in both hemispheres of the world. There was clear genetic divergence in the mtDNA COI region between all pairs of the four species. Moreover, relationships among the abalone species were reflected in their geographical distributions and morphological characteristics. Therefore, RFLP analysis of the mtDNA COI region is a suitable genetic marker for the estimation of genetic divergence and relationships among abalone species. However, it is not effective for the evaluation of genetic differences within abalone species.

Indoor Tank Culture of the Abalone Haliotis discus hannai II. Effects of diets on the growth of young abalone (참전복 Haliotis discus hannai의 육상수조사육에 관한 연구 II. 먹이별 사육실험)

  • JEONG Seong-Chae;JEE Young-Ju;SON Pal-Won
    • Journal of Aquaculture
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    • v.7 no.2
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    • pp.77-87
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    • 1994
  • The study was conducted to develop the suitable abalone's diets for the indoor tank culture. The young abalone Haliotis discus hannai Ino sized ca. 20, 30 and 40 nun in shell length were fed three different diets, dried sea mustard Undaria pinnatifida HARVEY (control), artificial diet and terrestrial plants e. g. Chinese cabbage and Perilla leaf for 2 years. The growth rate of abalones fed an artificial diet was slightly higher than that of abalones from the control. However, the growth rate of abalones from terrestrial plants was significantly lower than that of abalones fed a control or an artificial diet (P< 0.05). The daily feeding rate of young abalones from terrestrial plants was slightly higher than that of abalones from the control. While, that of abalones from an artificial diet was approximately $30\%$ of that of abalones from a control or a terrestrial plants diet. The feed efficiency of abalone from artificail diet was higher than that of abalones from a control or a terrestrial plants diet, and the smaller size of young abalone showed the higher the feed efficiency. The EFA index values ${{\sum}n9/(20:4n6+20:5n3+22:6n3}$ of the dried sea mustard and the artificial diet were 1.26 and 3.64, respectively. These values were favorable, but the value of terrestrial plant, Perilla leaf was 127.00 indicating poor EFA index for normal growth of abalone.

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Investigation of Optimal Temperature and Salinity for Long Distance Transport of the pacific abalone (Haliotis discus hannai) (참전복(Haliotis discus hannai)의 장거리 수송을 위한 적정 수온 및 염분 조건 탐색)

  • Yang, Sung Jin;Min, Byung Hwa;Lee, Jeong Young;Jun, Je-Cheon;Myeong, Jeong-In
    • Journal of Marine Life Science
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    • v.2 no.2
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    • pp.39-48
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    • 2017
  • This study was carried out to investigate the stress response of pacific abalone exposed to various water temperatures (4, 6, 8, and 10℃) and salinities (26, 30, and 34 psu) for 7 days, with the aim of finding optimum conditions for long-distance ocean transport of pacific abalone. At the end of the experiments, the survival rate was ranged from 98.7~100% at 8 and 10℃ but dropped to 25~55% at 4℃ in all salinity levels. The levels of SOD and glutathione in hemolymph were significantly higher at 4 and 6℃ than the control in all salinity groups, indicating that these temperatures induce severe stress in pacific abalone. It was found that THC was lowest at 6℃ in the 26 psu groups. The study showed that the hemocyte of pacific abalone populations mostly consisted of blast-like cells and hyalinocytes with the ratio of hyalinocytes being significantly lower at 4 and 6℃ than the other temperatures in the 26 psu groups. Percentages of apoptotic cells and necrotic cells were higher in the 26 psu group and 4 and 6℃ temperature groups. These results explicit that pacific abalone was exposed to greater stress at 26 psu and at 4 and 6℃ but experienced no significant higher stress at 30 and 34 psu and 8 and 10℃. It was therefore concluded that the optimum temperature and salinity for the long distance transport of pacific abalone range from 8~10℃ and 30~34 psu, respectively.

Effects of Amino Acids on Larval Settlement and Metamorphosis in Haliotis discus hannai

  • Kang, Kyoung-Ho;Kim, Byoung-Hak;Kim, Jae-Min;Kim, Young-Hun
    • The Korean Journal of Malacology
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    • v.19 no.2
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    • pp.95-106
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    • 2003
  • The compositions of amino acid in 6 monocultured benthic diatoms used in aquaculture of Haliotis discus hannai were analyzed, and effects of 15 artificial synthetic amino acids on the settlement and metamorphosis of H. discus hannai larvae. Results showed that the content of L-aspartic acid was highest in all diatoms, and that of L-glutamic acid was second high. In experiment using settlement slat without benthic diatom attached, the highest settlement rate (33.3 ${\pm}$ 8.8%) was obtained with L-glutamic acid, and a higher value (16.7 ${\pm}$ 3.3%) was found with L-aspartic acid at 24 h after experimental commencement, compared to that of control (8.6 ${\pm}$ 5.1%). 80 h later the metamorphosis rates of L-glutamic acid (86.7 ${\pm}$ 10.7%) and L-aspartic acid (80.0 ${\pm}$ 3.3%) groups were higher than control group(0) and other amino acids significantly. The response rate of L-glutamic acid was the highest (62.0%), and those of L-aspartic acid (30.0%) and L-threonine (25.3%) groups were also significantly higher than control group. In the experiment using settlement slat with benthic diatom attached, the best effect of various amino acids on induction of larval settlement was obtained with L-glutamic (82.0 ${\pm}$ 6.9%) and L-aspartic acid (78.7 ${\pm}$ 5.1%) at 24 h after experimental commencement. The settlement rates of L-histidine, L-leucine, L-lysine, L-methionine, L-phenylalanine, and L-tyrosine groups were significantly lower than control group. The same differences in the metamorphosis rate at 56 h after experimental commencement and in the response rate were found. It should be noted that after 80 h the metamorphosis rates of L-histidine (74.0 ${\pm}$ 12.0%) and L-lysine (87.0 ${\pm}$ 8.8%) declined rapidly compared to those of 56 h (8.0 ${\pm}$ 12.0%; 7.7 ${\pm}$ 12.0%).

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Evaluation of Economical Feed Formulatio for Abalone (Haliotis discus hannai) (경제적인 참전복 배합사료 설계 및 평가)

  • 이상민
    • Journal of Aquaculture
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    • v.11 no.2
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    • pp.159-166
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    • 1998
  • This study was carrie out to develop practical feed formulation for juvenile abalone (Haliotis discus hannai). Three replicate groups of abalone averaging 120mg were fed one of 7 isoproteic (34%) and isolipidic (5.3%) dlets containing various practical ingredients such as casein, fish meal, soybean meal, cottonseed meal, Undaria powder, wheat flour, spirulina, starch, and/or wheat germ meal for 4 months. The prices (5,000~800 won/kg diet) of these experimental diets were adjusted by adding different levels and ratios of practival ingredients. In addition, these experimental diets were compared with commercial feed or natural food (Undaria). Weight gain, soft body weight and shell growth of abalone fed experimental diets with low prices (2,500~800 won/kg diet) and commercial diet were significantly higher than those of abalone fed experimental diet with high price (5,000 won/kg diet)and natural food (P<0.05). The results indicate that our economic formulation (about 1,000 won/kg diet) can be useful for juvenile abalone.

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