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Effect of Water Temperature and Photoperiod on Final Oocyte Maturation in Red Marbled Rockfish, Sebastiscus tertius 원문보기

Development & reproduction = 발생과 생식, v.18 no.3, 2014년, pp.133 - 137  

Lim, Sang-Gu (Inland Aquaculture Research Institute, NFRDI) ,  Baeck, Jae Min (Inland Fisheries Research Institute, NFRDI) ,  Kim, Chul Won (Department of Aquaculture, Korea National College of Agriculture and Fisheries) ,  Kim, Young Soo (Inland Aquaculture Research Institute, NFRDI)

Abstract ▼ AI-Helper 아이콘AI-Helper

Rearing experiments were conducted using several regimes combined with different photoperiods and water temperatures to investigate the role of temperature and photoperiod as environmental cues regulating reproduction in red marbled rockfish, Sebastiscus tertius. The initial gonadosomatic index (GSI...

주제어

#Photoperiod   #Red marbled rockfish   #Sebastiscus tertius   #Water temperature  

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제안 방법

  • The experiment was conducted with various combinations of water temperature (15 and 19℃) and artificial photoperiods (9L:15 D, 12L:12D, and 15L:9D) using natural light. The experiments were 15 females and 5 males each tank during 50 days and repeated twice.
  • Thus, this species is classified into the spring spawning type, based on the yolk globule stage when oocytes appear at early maturation. This study was conducted during early February under different water temperature (15 and 19℃) and photoperiod (combinations of 9L, 5L, 12L, and 12D) conditions. The GSI of females at the beginning of the experiment was 1.

대상 데이터

  • Fifty-five adult S. tertius, which were bred in a natural habitat, were purchased in January–February 1999 and acclimated for 25 days in an indoor circular plastic water tank (500 L) together with 180 farmed fish.
  • The experiment was conducted with various combinations of water temperature (15 and 19℃) and artificial photoperiods (9L:15 D, 12L:12D, and 15L:9D) using natural light. The experiments were 15 females and 5 males each tank during 50 days and repeated twice. We used florescent lamps of 25 W as the artificial light source, which were controlled by timers.

데이터처리

  • To assess changes in the gonadosomatic index (GSI) and hepatosomatic index (HSI) over time, we analyzed all experimental data using Duncan’s multiple-range test and the Kruskal-Wallis test.
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참고문헌 (15)

  1. 1 Aida K Environmental regulation of reproductive rhythms in teleosts Bull Inst Zool Acad Sin Monogr 1991 16 173 187 

  2. 2 An CM Effects of photoperiod and water temperature on the reproductive cycle of the spring-spawning bitterling Rhodeus uyekii Kor J Ichthyol 1995 7 43 55 

  3. 3 Asahina K Hanyu I Role of temperature and photoperiod in annual reproductive cycle of the rose bitterling Rhodeus ocellatus cellatus Nippon Suisan Gakk 1983 49 61 67 

  4. 4 Chang YJ Lim HK Kwon JY Changes in plasma steroid hormone level in rockfish Sebastes inermis by the controlled water temperature and photoperiod J Kor Fish Soc 2001 34 13 16 

  5. 5 De Valming VL Effects of photoperiod and temperature on gonadal activity in the cyprinid teleost Notemigonus crysoleucas Biology Bulletin 1975 148 402 415 

  6. 6 Jeong KS Kim SM Bang IC Kim SY Lee WK Induced spawning of striped knife-jaw, Oplegnathus fasciatus by manipulating water temperature and photo period J Aquaculture 1998 11 141 149 

  7. 7 Kim HB Kim JM Induced spawning of red sea bream, Pagrus major , by controlling photoperiod and water temperature J Aquaculture 1990 3 1 11 

  8. 8 Kim Y Hur SB Spawning inducement of flounder, Paralichthys olivaceus by the control of water temperature and photoperiod J Aquaculture 1991 4 85 95 

  9. 9 Ko CS Chang YJ Lim HK Kim JH Cho KC Controlled reproductive cycle of rockfish Sebastes inermis by water temperature and photoperiod J Kor Fish Soc 1998 31 713 720 

  10. 10 Lee TL Kim SK Experimental studies on the mechanism of reproductive cycle in the bluegill Lepomis macrochirus Bull Kor Fish Soc 1987 20 489 500 

  11. 11 Lim SG Han CH Effect of water temperatures and photoperiods on gonadal development in baned catfish Pseudobagrus fulvidraco J Fish Mar Sci Edu 2012 24 854 861 

  12. 12 Lim SG Kim KS Kim CW Kim JW Reproductive cycle of the red marbled rockfish Sebastiscus tertius Kor J Fish Aquat Sci 2011 44 701 708 

  13. 13 Lim SK Han CH Annual reproductive cycle of the banded catfish, Pseudogagrus fulvidraco (Richardson) J Kor Fish Soc 1995 30 823 833 

  14. 14 Scott DBC Environmental timing and the control of reproduction in teleost fish Symposium of the Zoological Society of London 1979 44 105 132 

  15. 15 Yoo IK Chang YJ Kang KH Influence of water temperature on egg development of the red sea bream, Pagrus major J Aquaculture 1998 4 13 18 

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