한국양식학회지 (Journal of Aquaculture)

한국양식학회 (The Korean Society of Fisheries and Aquatic Science)
권호 표지

양식 1년산 뱀장어, Anguilla japonica의 전장 및 성별에 따른 혈중 성호르몬 수준 및 혈액학적 성상

Serum Steroid Hormone Level and Hematological Characteristics of One-year Cultured eels, Anguilla japonica Based on Total Length and Sex

  • 전민지 (부경대학교 사료영양연구소) ;
  • 한경민 (부경대학교 사료영양연구소) ;
  • 배준영 (부경대학교 사료영양연구소) ;
  • 유진형 (부경대학교 사료영양연구소) ;
  • 이계안 (부경대학교 사료영양연구소) ;
  • 배승철 (부경대학교 사료영양연구소)
  • 발행 : 2003.11.01
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초록

양식산 뱀장어의 어체 크기에 따른 성비와 혈액학적 성상 및 성호르몬 함량을 조사하였다. 전장 40∼50 cm 사이의 뱀장어에서는 수컷의 비율이 높았으나, 50 cm 이상의 뱀장어에서는 암컷의 비율이 유의하게 높은 결과를 보였다. 그러나 암$.$수 모두 생식소 발달 초기 단계였다. 수컷과 암컷의 혈액학적 성상에 있어서 헤마토크리트 값은 40∼50 cm 그룹의 수컷이 크기가 큰 암컷 그룹의 결과보다 높은 값을 나타내었고, 헤모글로빈 함량은 반대의 경향을 보였다. 수컷의 혈중 GOT 결과는 전장 40∼45 cm 그룹에서 157$\pm$3.46 IU/L로 다른 그룹에 비해 높은 값을 나타내었으나, 유의차는 없었으며, 암컷은 가장 큰 그룹인 55∼60 cm의 뱀장어 집단이 148$\pm$3.46 IU/L로 유의하게 높은 값을 보였다(P< 0.05). GPT의 결과는 암$.$수 모두 55∼60 cm 집단이 유의하게 높은 값을 나타내었다(P<0.05). 혈중 성호르몬의 함량은 암$.$수 모두 매우 낮은 값을 보였으나, 수컷에 비해 암컷의 T, E$_2$함량이 높게 나타났다.

This study investigated sex determination through serum steroid hormone level and compared hematological characteristics of one-year old cultured eels, Anguilla japonica. Four different groups were divided with total length at 40∼45, 45∼50, 50∼55, and 55∼60 cm. Males dominated eels of 40∼50 cm in total length group, while females dominated eels of more than 50 cm. All females and males were immature. Hematocrit levels of males (total length: 40∼50 cm) were higher than those of females (total length: 50∼60 cm). Hemoglobin content also differed between males and females. Glutamate oxaloacetate transaminase (GOT) levels of 40∼45 cm males tended to be higher (157$\pm$3.46 IU/L) than that of other sized males, but there were no significant differences between groups (P<0.05). The highest GOT levels were found in of 55∼60 cm females (148$\pm$3.46 IU/L) compared with that of other female groups (P<0.05). Glutamate pyruvate transaminase (GPT) levels of males and females in the 55∼60 cm size range was significantly higher thanothers (P<0.05). The result of this study indicated steroid hormone content of males and females were very low, but testosterone (T) and estradiol-17$\beta$, (E2) contents of females were higher than those of males. For further research of sex determination in cultured eels, it needs to investigate in more defined body length.

키워드

참고문헌

  1. Bull. Jpn. Soc. Sci. Fish. v.50 Effects of castration on the smoltification of precocious male salmon Oncorhynchus masou Aida,K.;T.Kato.;M.Awaji
  2. Ecol. Envi. Safe v.37 Similarities and difference between the massive eel(Anguilla anguilla L.)devastastations that occured in lake Balton in 1991 and 1995 Balint,T.;Ferenczy F.Katai;I.Kiss;L.Kraczer;O.Kufcsak;G.Lang;C.Polyhos;I.Szabo;T.Szeletes;J.Nemcsok
  3. J. Fish. Biol. v.24 Gonad differentiation and body growth in Anguilla anguiila L Colombo,G.;G.Grandi and R.Rossi
  4. Achivio di Oceanografia e limonolgia v.11 Nuove ricerche sulla deterniazioine sessuale dell'Anguilla.Ⅱ.Le influenze ambientali sul differenziamento della gonade D'Ancona,U.
  5. Fish Physiol.,IXB. Induced final maturation,ovulation and spermiation in cultured fish Donaldson,E.M.(ed.);G.A.Hunter;Hoar,W.S.(ed.);D.J.Randall(ed.)
  6. C.R. Acad. Sci v.202 Foods and Agriculture Organization of United Nation.,1936.Sur la maturation comlete des organs gentaux de I'anuille male et I'emission spontanee de ses produits sexuels FAO;Fontaine,M.
  7. Aquaculture v.135 Changes in serum steroid homones and steroidogenic ability of ovarian follicles during artificial maturation of cultivated Japanese eel,Anguilla japonica Ijiri,S.;Y.Kazeto;N.Takeda,;H.Chiba;S.Adachi;K.Yamauchi
  8. Fish. Sci. v.64 no.4 Pretreatment reproductive stage and oocyte development induced by salmon pituitary homogenate in the Japanese eel Anguilla japonica Ijiri,S.;T.Koayaba;N.Takeda;H.Tachiki;S.Adachi;K.Yamauchi
  9. Gen. Comp. Endocrinol. v.54 In vitro estradiol-17B and testosterone production by ovarian follicles of the goldfish,Carasius auratus Kagawa,H.G.;Young,Y.Nagahama.
  10. Ann. Zool. Fennici v.11 Effect of a sublenthal concentration of phenol on some blood plasma enzyme activities in the pike(Esoxlucius L.)in backish water Kristofferson,R.;S.Broberg;A.OskariI;M.Pekkarinen
  11. J. Shimonoseki Coll. Fish. v.2 Study on the morphology,ecology and culture of Japanese eel Matsui.I.
  12. Bull. Jpn. Soc. Sic. Fish. v.41 no.6 Changes in blood propetries of maturing Japanese eel,Anguilla japonica,with hornone injection Ochiai.A.O.Manabu;U.Susumu
  13. Aquaculture v.153 Relationship between serum levels of human chorionic gonadotropin(hGG)and 11-ketotestosterone after a singel injection of hGG and induced maturity in the male Japanese eel, Anguilla japonica Ohta,H.;H.Tanaka
  14. Aquaculture v.198 Control by the environmental concentration of ions of the potential for motility in Japanese eel spermatozoa Ohta,H.;H.Tanaka;T.Unuma
  15. Fish cytogenetics. Suikosha. Japan Karyotype and specimen in fishes Ojima,Y.
  16. J. Fish. Biol v.48 Growth rate and age at migration of Anguilla anguilla Poole,W.R.;J.D.Reynolds
  17. Arch. of Oeanogr. & Lmm v.18 Sex ratio,age and growth of silver eels in to brackfish lagoons in the northern Adriatic valli of Comacchio and Valle Nuova Rossi,R.;G.Colombo
  18. Bull. Inst. Zool., Acad. Sin., Monogr v.16 The stress response and its consequences in cultured fish Surnper,J.P.
  19. FIsh. Physiol. Biochem v.17 Artificial induction of maturation and fertilization in the Japanese eel,Anguilla japonica Tanaka,H.;K.Okuzawa;N.Linuma;K.Hirose
  20. Bull. Jpn. Soc. Fish. Ocean. v.47;48 Immigration timing and activity rhythms of the eel,Anguilla japonica ,elvers in the estuary of northern Taiwan,with emphasis on environmental influences Tzeng,W.N.
  21. Develoing and sustaining world fisheries resources:The state of science and management. 2nd world fisheries compass proceedings. Short-and long-term fluctuations in catches of elvers of the Japanese eel,Anguilla japonica Tzeng,W.N.;Hancock,D.A.(ed.);D.C.Smith(ed.);A.Grant(ed.);J.B.Beumer(ed.)
  22. J. Fish. Biol. v.57 Differences in size and growth rates of male and female migrating Japanese eels in Peark River,China Tzeng,W.N.;H.R.Lin;C.H.Wang;S.N.Xu
  23. Int. Revue. Gesamten. Hydrobiol. v.75 Artificial maturation of cultivated male Japanese eels,Anguilla japonica,a riview Yamamoto,K.O.;O.Hiroi;T.Hirano;T.Morioka
  24. Nature v.251 Sexual maturation of Japanese eel and production of eel larvae in the aquarium Yamamoto,K.;K.Yamauchi
  25. J. Wild. Dis. v.6 Studies on the orign,development and seasonal variation in the blood cells of perch,Perca flavescens. Yokoyama,H.O.
  26. Biomed. Res. v.3 Secretion of aromatizable Δ4 androgens by thecal layers during estradiol-17β production by ovarian follicles of amago salmon(Oncorhynchus rhodurus)in vitro Young,G.;K.Kagawa;G.Kamhegawa;Y.Nagahama
  27. うなぎを增やす 廣瀨 慶二