From:
Sukie Crandall
Date: 2010-05-12 16:05:48 UTC
Subject: [ferrethealth] abstract
To: fhl <ferrethealth@yahoogroups.com>
> Reprod Domest Anim. 2010 Apr 29. [Epub ahead of print]
> Reproductive Features and Faecal Progesterone Metabolite Profile in=20
> Female Ferrets.
> Proh=E1czik A, Kulcs=E1r M, Gl=E1vits R, Driancourt M, Huszenicza G.
> Faculty of Veterinary Science, Szent Istv=E1n University, Budapest,=20
> Hungary.
> Abstract
> Contents Elevated post-partum progesterone metabolite (P(4)-met)=20
> levels have been recently postulated to occur in lactating lynxes.=20
> The aims of this study were to monitor reproductive features in=20
> female ferrets, changes in the faecal P(4)-met concentrations=20
> throughout the breeding season and ovarian activity in post-partum=20
> lactating and non-lactating (NL) female ferrets. Our results=20
> indicate that coinciding with the results described in the lynx,=20
> elevated faecal P4-met concentrations occur in lactating ferrets,=20
> furthermore, that the duration of elevated secretion of P(4) seems=20
> to be dependant on the duration of lactation (P4-met at delivery, n=20
> =3D 47: <500 ng/g; 5-7 days after delivery, during lactation, n =3D 47: =
> >/=3D500-800 ng/g; in females weaned at delivery, n =3D 4: baseline=20
> levels). Three days after ovariohysterectomy of lactating females,=20
> P(4)-met concentrations decreased to baseline levels. In lactating=20
> females, the ovarian stroma is more active than that in NL ones=20
> implicating that the ovary is at least in part responsible for the=20
> elevated P4-met concentrations. Ovaries of lactating females=20
> contained many luteinized cells either as luteinized granulose cells=20
> in the wall of late pre-antral/early antral follicles or as corpus=20
> luteum (CL)-like structures. Early resumption of the entire ovarian=20
> activity (developed follicles and oestrus) occurs in NL post-partum=20
> females, while final follicular development is blocked (follicles=20
> stalls at antral stage) in the lactating ones (however, occasionally=20
> lactational oestrus may occur). We suppose that the elevated faecal=20
> P4-met during lactation together with suckling and other hormonal=20
> effects may contribute to prevention of early returning to oestrus=20
> in nursing female ferrets.
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)
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