Wild Salmo trutta labrax from the Bicki Stream in the Marmara Region: Gamete Quality and First Reproduction Under Aquaculture Conditions

MEMİŞ D., TUNÇELLİ G., YAMANER G.

AQUATIC SCIENCES AND ENGINEERING, cilt.36, sa.2, ss.95-100, 2021 (ESCI) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 36 Sayı: 2
  • Basım Tarihi: 2021
  • Doi Numarası: 10.26650/ase2020702855
  • Dergi Adı: AQUATIC SCIENCES AND ENGINEERING
  • Derginin Tarandığı İndeksler: Emerging Sources Citation Index (ESCI), Scopus, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.95-100
  • Anahtar Kelimeler: Wild trout, sperm quality, egg quality, fertilization, first spawning, TROUT SALVELINUS-FONTINALIS, RAINBOW-TROUT, SPERM MOTILITY, SEA-TROUT, ATLANTIC SALMON, FISH, MACROSTIGMA, TEMPERATURE, INCUBATION, ANATOLIA
  • İstanbul Üniversitesi Adresli: Evet

Özet

In this study, the quality and reproductive success of wild Black Sea Trout (Salmo trutta labrax) were investigated. In total 32 wild trout (27.3 +/- 13.6 g and 13.9 +/- 2.3 cm) from the Bicki Stream in Kocaeli Province in the Marmara Region were kept in circular fiberglass outdoor flow-through tanks (1.5m empty set) at the mean water temperature of 11.8 +/- 4.5 degrees C. In November 2016, when the water temperature was 8.4 degrees C, the first spawning of wild trout occurred. Sperm volume (ml), Motility (%) and VCL (mu m/sec) values were determined to be 7.5 +/- 2.5, 70.42 +/- 0.83 and 70.35 +/- 3.98, respectively. The weight (g), total fecundity and egg diameter (mm) values of female fish were listed to be 513.75 +/- 78, 1.171 +/- 171, and 3.84 +/- 0.02, respectively. In the experiment, 5.859 wild Black sea trout eggs were fertilized. The eyed-egg stage occurred 24 days (288 day-degree) post fertilization and the survival rate from fertilization to the eyed-stage was 28%. Wild Black Sea trout larvae from P1 (Paternal Generation) hatched 48 days after fertilization with the hatching rate of 7%.