1.   Breeding programs for apes are a failure, and even hard-nosed experimenters will be turning the tide.

2.   The San Francisco Zoo has the largest and most successful captive breeding program for bald eagles in the nation, Aikin said.

3.   Along with the recipes it talks about breeding programs to develop American chestnuts resistant to the blight that nearly wiped them out.

4.   And they argued that pulling them into the breeding program was critical for preserving the genetic diversity of the condor.

5.   Any sperm found would be stored in freezers and returned to Japan for the breeding program.

6.   Because of that prospect, state wildlife officials are preparing to establish a captive breeding program to preserve the population.

7.   Biologists feared that the bird would go extinct and started collecting chicks and eggs for captive breeding programs.

8.   -- Many marine parks report successful breeding programs and are stocked with all the dolphins they need.

9.   A formerly successful breeding program had degenerated into a crude and filthy menagerie of misfits and cripples.

10.   But a captive breeding program under way at the Hope Zoo and six American zoos has failed to produce any offspring, for still unknown reasons.

a. + program >>共 969
new 5.06%
training 4.36%
federal 3.15%
social 2.98%
nuclear 2.67%
short 2.42%
pilot 2.11%
similar 1.78%
educational 1.44%
long 1.10%
breeding 0.36%
breeding + n. >>共 226
program 10.13%
season 7.13%
stock 5.29%
area 3.45%
pair 2.99%
farm 2.88%
technique 2.42%
colony 2.30%
programme 2.19%
population 1.73%
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