<http://www.newscientist.com/article/mg19526124.200-dog-contraceptive-signals-end-to-castration.html> or http://tinyurl.com/yw8d4x Article below. Permission to crosspost. Dog contraceptive signals end to castration 11 July 2007 NewScientist.com news service Linda Geddes Lyon Male dogs can breathe a sigh of relief. The days of removing their testicles to stop them breeding or to curb aggressive behaviour may be numbered. A contraceptive implant that halts testosterone and sperm production for months at a time is expected to gain European approval within weeks, while steps are being taken to enable the drug to be sold in the US. [Remainder of article removed due to copyright limitations and because it's enough off-topic that it doesn't warrant the space anyhow, but is available at above link. Unknown whether this can apply to ferrets, though ferrets are typically altered for other reasons as well. BIG] __,_._,___ He who learns must suffer. And even in our sleep, pain that cannot forget falls drop by drop upon the heart. And in our own despair, and against our will, comes Wisdom by the awful Grace of God...Aeschylus [Posted in FML 5667]