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Four‐year study of controlled timed breeding of rhesus monkeys ( Macaca mulatta )
Author(s) -
PhillippiFalkenstein Kathrine,
Harrison Richard M.
Publication year - 2003
Publication title -
american journal of primatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.988
H-Index - 81
eISSN - 1098-2345
pISSN - 0275-2565
DOI - 10.1002/ajp.10074
Subject(s) - seasonal breeder , luteal phase , biology , primate , physiology , captive breeding , pregnancy , zoology , ecology , genetics , endangered species , habitat
As part of the timed breeding colony at Tulane National Primate Research Center, exogenous progesterone administration (5 mg/day for 10 days) has been used to select conception dates by inducing artificial luteal phases in female rhesus monkeys. A retrospective analysis of data obtained during four breeding seasons (1998–2001) revealed that conceptions occurred an average of 18 days after the last administration of progesterone. The age of the female to be bred, previous pregnancy history, and timing of breeding during the breeding season were determined to be critical factors in the success of the procedure. The benefit of this method of timed breeding is that it does not require tracking of menstrual cycles, which can be labor‐intensive and requires that animals be monitored several months in advance of breeding to determine each female's individual cycle length. It also provided an efficient use of breeding‐age males. Am. J. Primatol. 60:23–28, 2003. © 2003 Wiley‐Liss, Inc.

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