Alan, I'd suggest your friend use a product called Rampage. It's active
ingredient is vitamin D3 and causes hypercalcemia and death in rodents
without the problem of secondary hazard. It comes as coated grain and
I've had good results with it here at the Research Nursery. You can get
it from Plant Natural (used to be Bozeman Bio-Tech). Phone 406-587-5891;
email ecostore at mcn.net; web site http://www.planetnatural.com

Kas Dumroese
Moscow, Idaho

On Thu, 23 Jan 1997, Alan Richards wrote:

>
>
> =============================================
> 01/23/97
>
> Tweets --
>
> A friend of mine keeps about a dozen domestic doves in
> an outdoor cage in her large fenced yard in Tacoma. She
> feeds her pets with lots of grain, some of which is consumed
> by rodents. These rodents are getting thicker, and so she
> has very carefully hidden D-con in the area, so that at
> least some of these rodents will find the D-con and head
> out of the photograph (or wherever). From time to time, a
> Cooper's Hawk stops by and catches one or more of the
> rodents, some of which have undoubtedly consumed some
> of the D-con.
>
> The question: does this D-con contamination have a
> very large / significant chance of poisoning the hawk?
> Is this like the grasshoppers / Swainson's Hawk tale
> in South America, or is this a safer situation (for the hawk)?
>
> Alan Richards / alanr at orednet.org / Naselle WA 98638 USA
> ==============================================
>
> --
>
>