Malaysian Applied Biology Journal

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28-1&2-16

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Malays. Appl. Biol. (1999) 28(1&2): 93-97

THE REPRODUCTIVE CYCLE OF MALE INSECTIVOROUS BAT, SCOTOPHILUS KUHLII, FROM PENINSULAR MALAYSIA

S. M. BONG1, G. S. YEW2, A. ZUBAID1 & A. B. KAMIS2

1 School of Environmental Sciences & Natural Resouces 2 School of Biosciences & Biotechnology, Faculty of Science & Technology,
Universiti Kebangsaan Malaysia, 43600 Bangi, Malaysia

ABSTRACT

The reproductive cycle of small insectivorous house bat, Scotophilus kuhlii, from Peninsular Malaysia was study. During the course of the study, from July 1995 to January 1997, seven adult males were captured in the middle of each month. Significant increase in reproductive organ mass, which indicate the reproductively active period for this animal, was observed only during the October-January rainy seasons. Histological studies show that the spermatogenic cycle was brief and that the bats were fertile only for a period between November to January. Spermatid was first appear in November and lumen of seminiferous tubules were full of spermatid and spermatozoa in December and January.


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