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Reproductive cycle in Pipistrellus kuhlii (Chiroptera,Vespertilionidae) in western Iran
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Mozafar Sharifi
Veröffentlicht/Copyright:
13. Juli 2007
The reproductive cycle of male and female Pipistrellus kuhlii are described. Sexual activity is based on the degree of testicular and cauda epididymal development and on histological examination of both male and female reproductive organs. During the study spermatogenesis took place during summer and spermatozoa were released from the testis in August and September. Although no more spermatozoa were produced during late summer and early autumn, they continued to be stored in the cauda epididymides for winter. Endometrial sperm storage in the uterus of females in mid-December together with packing and perpendicular orientation of spermatozoa toward the endometrum indicate that Pipistrellus kuhlii mate in winter and store spermatozoa until spring when the fertilization takes place. This study indicates that the reproductive cycle of Pipistrellus kuhlii involves asynchrony between primary and secondary sexual function which is typical of vespertilionid bats inhabiting temperate latitude.
Key Words: Chiroptera,; Pipistrellus kuhlii,; Sperm Storage,; Reproductive Strategy,; Sperm Orientation.
Published Online: 2007-07-13
Published in Print: 2004-12-01
Copyright 2004, Walter de Gruyter
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Schlagwörter für diesen Artikel
Chiroptera,;
Pipistrellus kuhlii,;
Sperm Storage,;
Reproductive Strategy,;
Sperm Orientation.
Artikel in diesem Heft
- Le Havre 2002: the IXth European Bat Research Symposium
- Morphometrics and ecology of Myotis cf. punicus (Chiroptera, Vespertilionidae) in Corsica
- Ecomorphometry of Myotis daubentonii and M. lucifugus (Chiroptera, Vespertilionidae) – a Palearctic-Nearctic comparison
- Postnatal growth in Myotis blythii (Chiroptera, Vespertilionidae)
- Body mass changes in male Daubenton's bats Myotis daubentonii (Chiroptera, Vespertilionidae) during the seasonal activity period
- Subspecific structure of Myotis daubentonii (Chiroptera, Vespertilionidae) and composition of the "daubentonii" species group
- Variability in echolocation call design of 26 Swiss bat species: consequences, limits and options for automated field identification with a synergetic pattern recognition approach
- Reproductive cycle in Pipistrellus kuhlii (Chiroptera,Vespertilionidae) in western Iran
- The roost preference of Nyctalus noctula (Chiroptera, Vespertilionidae) in summer and the ecological background of their urbanization
- Bats, climate, and air microorganisms in a Romanian cave
- The importance of small cellars to bat hibernation in Poland
- Effect of barn conversion on bat roost sites in Hertfordshire, England
- Flight activity and habitat use of Pipistrellus pygmaeus in a floodplain forest
- Summer distribution of the Pond bat Myotis dasycneme (Chiroptera, Vespertilionidae) in the west of Flanders (Belgium) with regard to water quality
- Radiotracking of Myotis myotis (Chiroptera, Vespertilionidae) in South Tyrol and implications for its conservation
- Diet and prey selection in the Mediterranean horseshoe bat Rhinolophus euryale (Chiroptera, Rhinolophidae) during the pre-breeding season
- The importance of woodland for Rhinolophus hipposideros (Chiroptera, Rhinolophidae) in Austria
- Tunnels as a possibility to connect bat habitats
- Control region variability of the mitochondrial DNA of Pipistrellus nathusii (Chiroptera, Vespertilionidae): First results of a population genetic study
- Bat species and conservation issues in the castle Grad na Goričkem (NE Slovenia)
- Aerial deposition of cadmium before and after the closure of an oil-fired power station in the vicinity of two nursery roosts of Rhinolophus ferrumequinum (Chiroptera, Rhinolophidae)
- Bat activity in coniferous forest areas and the impact of air pollution
