Document Detail

Reproductive characteristics of female lesser mouse deers (Tragulus javanicus) based on fecal progestagens and breeding records.
MedLine Citation:
PMID:  23313615     Owner:  NLM     Status:  Publisher    
Information about breeding and the reproductive biology of mouse deer is limited in the wild and captivity. No reports on reproductive endocrinology are available. The objective of the present study was to observe the reproductive biology based on breeding records, to validate the utility of the non-invasive endocrine monitoring technique using feces of the female lesser mouse deer (Tragulus javanicus), and thus to clarify the reproductive physiology. Breeding records from 2 females were investigated and the fecal progestagen profile was monitored in captivity. Fecal progestagens were extracted using methanol and measured by enzyme immunoassay. From the breeding records, many births occurred in May (spring) and November-December (winter); however, fecal progestagen profile showed cyclical changes throughout the year in a female mouse deer. Most mounting and mating behaviors were observed 2-3 days after the peak of progestagen concentration during luteal phase. The ovarian cycle length based on the fecal progestagen profile averaged 14.5±0.3 days. The fecal progestagen concentration remained high during pregnancy. Fecal progestagen monitoring is useful for evaluating ovarian activity and pregnancy in the lesser mouse deer.
Satoshi Kusuda; Itsuki Adachi; Koh Fujioka; Masato Nakamura; Noriko Amano-Hanzawa; Nozomi Goto; Sayaka Furuhashi; Osamu Doi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-26
Journal Detail:
Title:  Animal reproduction science     Volume:  -     ISSN:  1873-2232     ISO Abbreviation:  Anim. Reprod. Sci.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-1-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7807205     Medline TA:  Anim Reprod Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Laboratory of Animal Reproduction, Faculty of Applied Biological Sciences, Gifu University, Yanagido, Gifu 501-1193, Japan. Electronic address:
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