Just a start because you will find more on that from actual ferret
expert vets in the FML Archives and FHL Archives:

http://ferrethealth.org/archive/SG14864

(with Dr. Murray's permission for me to copy his posts here unaltered)

>Hi Sukie,
>
>You referenced an article from Dr Scott Brown, VMD, PhD, ACVIM from
>the University of Georgia. He has written many on this topic. Yes,
>the fish oils have the omega 3 fatty acids (EPA and DHA) that help to
>reduce inflammation. In the kidneys, fish oils lower the amount of
>the eicosanoids (prostaglandin E2 and thromboxane A2), which reduces
>glomerular pressure and slows the progression of chronic kidney
>disease. Omega 6 fatty acids (vegetable oils) increase the production
>of the eicosanoids, increase glomerular hypertension, and speed up the
>progression to end-stage kidney failure (death). That is one of the
>reasons Iams/Eukanuba kitten, Totally Ferret, and Marshall's ferret
>food all have fish oil in them.
>
>Hope that helps,
>Jerry Murray, DVM

and others such as:

http://ferrethealth.org/archive/FHL4695

http://ferrethealth.org/archive/SG17963

Sukie (not a vet)

Recommended ferret health links:
http://pets.groups.yahoo.com/group/ferrethealth/
http://ferrethealth.org/archive/
http://www.afip.org/ferrets/index.html
http://www.miamiferret.org/
http://www.ferrethealth.msu.edu/
http://www.ferretcongress.org/
http://www.trifl.org/index.shtml
http://homepage.mac.com/sukie/sukiesferretlinks.html
all ferret topics:
http://listserv.ferretmailinglist.org/archives/ferret-search.html

"All hail the procrastinators for they shall rule the world tomorrow."
(2010, Steve Crandall)
On change for its own sake: "You can go really fast if you just jump
off the cliff." (2010, Steve Crandall)

[Posted in FML 7223]