The kill rate is four times as high in the dark as during daylight.

Conway kept his kill rate low because he was a superb surgeon.

The kill rate has dropped significantly due to better management techniques and now only about three people lose their lives each year.

Lactofen was the most successful of these with a kill rate of 95%.

We'll have kill rates up to thirty percent.

This may increase the "kill rate" for each treatment.

In the 1980's alone the kill rate, mainly from poaching, reached 200 a day.

The kill rate in those tests is 90 percent or better, he said.

The kill rates thus declined in subsequent years to an average of about 52,000 seals from 1983 to 1995.

In 1996, the kill rates again increased to over 200,000 each year, except in the year 2000.