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7 - Male reproductive biology in giant pandas in breeding programmes in China

Published online by Cambridge University Press:  09 August 2009

Jogayle Howard
Affiliation:
National Zoological Park
Zhihe Zhang
Affiliation:
Chengdu Research Base of Giant Panda Breeding
Desheng Li
Affiliation:
China Conservation and Research Center for the Giant Panda
Yan Huang
Affiliation:
China Conservation and Research Center for the Giant Panda
Rong Hou
Affiliation:
Chengdu Research Base of Giant Panda Breeding
Guanghan Li
Affiliation:
Chengdu Giant Panda Breeding Research Foundation
Meijia Zhang
Affiliation:
Chengdu Research Base of Giant Panda Breeding
Zhiyong Ye
Affiliation:
Chengdu Research Base of Giant Panda Breeding
Jinguo Zhang
Affiliation:
Beijing Zoo
Shiqiang Huang
Affiliation:
Beijing Zoo
Rebecca Spindler
Affiliation:
Toronto Zoo
Hemin Zhang
Affiliation:
China Conservation and Research Center for the Giant Panda
David E. Wildt
Affiliation:
National Zoological Park
David E. Wildt
Affiliation:
Smithsonian National Zoological Park, Washington DC
Anju Zhang
Affiliation:
Chengdu Research Base of Giant Panda Breeding
Hemin Zhang
Affiliation:
Wildlife Conservation and Research Center for Giant Pandas
Donald L. Janssen
Affiliation:
Zoological Society of San Diego
Susie Ellis
Affiliation:
Conservation Breeding Specialist Group
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Summary

INTRODUCTION

The goal of the giant panda ex situ breeding programme is to produce healthy, genetically diverse and reproductively sound offspring. However, reproduction in this species has been poor, in part, due to lack of male libido or aggressive behaviours towards conspecific females. Although giant panda breeding facilities have made progress in producing more surviving young, only about 29% of captive male giant pandas have ever sired offspring (Lindburg et al., 1998), and most of these males were wild born. Of the 104 giant pandas in the ex situ population in China in 1996 (at the time of the first masterplanning meeting in China; Zheng et al., 1997; see also Chapter 2), there were 33 adult males of reproductive age (6–26 years old). Only five (15.2%) had ever mated naturally and sired young. This was the main reason for ‘male reproduction’ being a primary target of the Biomedical Survey conducted under the umbrella of the Conservation Breeding Specialist Group (CBSG) (see Chapter 2).

We had three goals, the first being to measure the presence or absence of any obvious physiological or anatomical abnormalities. The second was to learn more about species reproductive biology, specifically comparing males of different ages, successful versus unsuccessful breeders and wild-born versus captive born. Our approach also allowed a third opportunity: studies that would enhance our understanding on how better to use male gametes (sperm) to advance genetic management (see Chapter 21). In this case, our focus was on:

  1. sperm morphology and acrosomal integrity;

  2. testes development during the breeding season;

  3. […]

Type
Chapter
Information
Giant Pandas
Biology, Veterinary Medicine and Management
, pp. 159 - 197
Publisher: Cambridge University Press
Print publication year: 2006

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