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A Study On The Breeding Biology Of Some Bat Species In Turkey (Mammalia: Chiroptera), Nursel Aşan, İrfan Albayrak
A Study On The Breeding Biology Of Some Bat Species In Turkey (Mammalia: Chiroptera), Nursel Aşan, İrfan Albayrak
Turkish Journal of Zoology
This study is based on the records of gestation and lactation periods of 17 bat species (Rousettus aegyptiacus, Rhinolophus ferrumequinum, R. hipposideros, R. euryale, R. blasii, Myotis myotis, M. blythii, M. emarginatus, M. nattereri, M. mystacinus, M. capaccinii, Eptesicus serotinus, Pipistrellus pipistrellus, P. kuhlii, P. savii, Plecotus auritus, and Miniopterus schreibersii) caught from various localities in Turkey and of the development stages of embryos belonging to Myotis species. It was determined that the gestation period of some insectivorous bat species was generally May and June and following this period the lactation period was June and July in Turkey. In the …
Seasonality Of Reproduction And Embryonic Growth Of Spiny Dogfish (Squalus Acanthias L., 1758) In The Eastern Black Sea, Sefa Ayhan Demi̇rhan, Kadi̇r Seyhan
Seasonality Of Reproduction And Embryonic Growth Of Spiny Dogfish (Squalus Acanthias L., 1758) In The Eastern Black Sea, Sefa Ayhan Demi̇rhan, Kadi̇r Seyhan
Turkish Journal of Zoology
The seasonality of reproduction and embryonic development of spiny dogfish (Squalus acanthias) sampled from the Eastern Black Sea were studied. The gestation period of spiny dogfish, starting in August, September and October, takes around 23-24 months. Fertilized females were caught at a depth of 30-45 m in July and August. Females with full-term pups and empty uteri were found at 50-60 m depth, where the temperature was 10 °C. Lengths of pups at birth were around 28-29 cm, whereas their weights ranged from 68 to 78 g. The models of embryonic growth and development of ova were described as TL_e …