however, bird rescuers say
they have learned a lot about how to best help oil-soaked birds, and that
therefore, survival rates stand to increase this time around. in the past,
birds were cleaned right away, and volunteers often worked through the night
bathing rescued birds. but now, captured birds are left to rest for a day or
two before being cleaned, and only washed during the day, so as not to disrupt
their circadian (生理的) rhythms. but part of that
increase may be due to greater selectivity on the part of rescuers. the workers
do blood tests right in the field now and birds that are loaded with
hydrocarbons (碳氢化合物) or don't look like they're
going to make it are put down right away, rather than subjected to the stress
of captivity and cleaning.
and so far, while release rates may be
improving, there is little evidence of better medium or long-term survival,
especially for the more-difficult-to-save species. there still aren't good
protocols (协议) for repairing the
internal organ damage. anyway, rescue efforts will continue in large part
because the public demands that. euthanasia is a difficult thing to do,
especially for people who have built their lives around saving animals.
they have learned a lot about how to best help oil-soaked birds, and that
therefore, survival rates stand to increase this time around. in the past,
birds were cleaned right away, and volunteers often worked through the night
bathing rescued birds. but now, captured birds are left to rest for a day or
two before being cleaned, and only washed during the day, so as not to disrupt
their circadian (生理的) rhythms. but part of that
increase may be due to greater selectivity on the part of rescuers. the workers
do blood tests right in the field now and birds that are loaded with
hydrocarbons (碳氢化合物) or don't look like they're
going to make it are put down right away, rather than subjected to the stress
of captivity and cleaning.
and so far, while release rates may be
improving, there is little evidence of better medium or long-term survival,
especially for the more-difficult-to-save species. there still aren't good
protocols (协议) for repairing the
internal organ damage. anyway, rescue efforts will continue in large part
because the public demands that. euthanasia is a difficult thing to do,
especially for people who have built their lives around saving animals.
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