16) Physiologic data
No reproductive physiological studies are known to me, however, the NIH Medline Service lists many studies on CNS structure.
17) Other resources
Numerous cell strains from the breeding colony at San Diego Zoo, and some from Cuc Phuong, Vietnam are deposited in the "Frozen Zoo" at CRES and can be made available by contacting Dr Oliver Ryder at oryder@ucsd.edu.
18) Other remarks - What additional Information is needed?
Because of the severe reduction of leaf-eating primates, especially in Vietnam, more breeding colonies should be established. Moreover, since they all have extremely similar placentas and chromosome morphology, some of the more readily bred species might be considered for effort in embryo transfer of the least common species, if not cloning from the cells placed in storage. This also necessitates better knowledge of endocrine parameters and early implantational stages, perhaps to be ascertained by ultrasound.
Acknowledgement
The animal photographs in this chapter come from the Zoological Society of San Diego. I appreciate also very much the help of the pathologists at the San Diego Zoo.
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