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- Title
Development of embryos in Mastacembelus mastacembelus (Bank & Solender, 1794) (Mesopotamian spiny eel) (Mastacembelidae).
- Authors
Şahinöz, Erdin; Doğu, Zafer; Aral, Faruk
- Abstract
In this study, the embryonic development of the eggs in the Mastacembelus mastacembelus (Bank & Solender, 1794) was examined. At the same time, possibilities of artificial breeding through artificial insemination were investigated. Artificial insemination was achieved by mixing the eggs of the mature female and sperm of the mature male samples caught with gill nets (22 × 22) in Ataturk Dam Lake in Turkey. To this end, first in a Petri dish (100 × 20), the testes were cut into small pieces with a lancet and the mixture of sperm–testes-tissue was obtained. The fertilization rate of the eggs was found to be 80%. The diameter of the eggs ranged from 2.015to 1.147 mm. The perivitelline space formed 0.5 h after insemination. The first cleavage occurred at the animal pool 4 h after insemination. The oil droplets had fused to a single droplet 19 h after insemination. The blastoderm became an embryonic shield 30 h after insemination. The blastoderm covered almost half the egg 40 h after insemination and embryonic body was formed. The blastoderm covered almost the whole egg 50 h after insemination. Some somites were discernible 59 h after insemination. The embryonic body reached two-third of the circumference of the egg 70 h after insemination. The tail bud began to separate from the yolk 77 h after insemination. A newly hatched larva was observed at 85 h after insemination.
- Subjects
TURKEY; EMBRYOLOGY; MASTACEMBELIDAE; EMBRYO anatomy; EMBRYONIC stem cells; CAPTIVE wild animal artificial insemination; ANIMAL breeding; REPRODUCTIVE technology; MARINE biology; LAKES
- Publication
Aquaculture Research, 2006, Vol 37, Issue 16, p1611
- ISSN
1355-557X
- Publication type
Article
- DOI
10.1111/j.1365-2109.2006.01601.x