[AlpacaTalk] Re: Coccidiia
Laurel-you might be able to fill in some blanks for a procedure I just ran across at a farm. They are monitoring blood sugar, similar to diabetics to access and monitor the health of the cria. Any thoughts on this procedure? Basis?
Michael
Greenbriar Farm
Waukesha, WI
--- In AlpacaTalk@yahoogro
>
>
>
> Hi Sue,
>
> Actually, in alpacas, antibodies do not cross the
> placenta and to make matters even tougher, the alpaca's gut will only
> allow absorption of antibodies for the first 48 hours. So passive immunity
> is an even a bigger issue in alpacas (and other camelids).
> Many breeders will draw blood to test specifically for the IgG to be
> certain that transfer has occurred in sufficient quantities (usually over
> 800 micrograms) 48 hours or so after the cria is born.
>
> There
> are specific RID plates used to test this and many folks keep plasma on
> hand to administer either IV or IP to their crias should they test low.
> Some will even administer the plasma orally via a feeding tube in the
> first 24 or even 48 hours if they think there may be an inadequate
> transfer.
>
> Things get mucked up a bit if a breeder uses goat or
> cow colostrum, for the IgG RID plates are specific for camelid IgG and
> don't test for cow or goat.
>
> Alpaca dams will continue to
> produce antibodies in their milk, but these only confer immunity in the
> gut and as far as I know there are no studies that have tackled the
> effectiveness of that protection against harmful gut organisms, but it
> would be interesting to study cria resistance to parasites when on the
> teet as opposed to resistance on the bottle!
>
> Anywho, you will
> hear alot of discussion about IgGs and such and here at our farm, we have
> actually started to produce our own plasma for us and for sale.
>
> Laurel
>
> The Shouvlins
> Bluebird Hills Farm
> Springfield, Ohio
> 937-206-3936
> www.bluebirdhills.
> bluebirdhills@
>
>
> > Hi everyone,
> > I am a medical proffessional
> who has just bought 3 alpacas in the uk. I
> > find the discussion
> here interesting. We don't have the same diseases
> > here. I can
> provide some info though.
> > You are quite right that passive
> immunity is quite different. Basically
> > the antibodies to
> disease are passed on in the milk (and prior to that
> > through
> the placenta) just as in humans. It does of course require that
> >
> the mother had the disease (or vaccination)
>
> > can pass on. It is limited and can be overwhelmed by a severe
> infection.
> > Active immunity on the other hand is where the
> animal is making it's own
> > antibodies. The production of
> antibodies is active in that it can increase
> > if the infection
> is severe. Even then it can be overwhelmed. Antibiotics
> > are
> used in a very specific way where immunity is not guaranteed or is
> > being overwhelmed. Very often the antibiotic is very specific to
> the
> > disease present. However they cannot work without some
> immunity in most
> > diseases which is why the other two types of
> immunity are important. The
> > reason for that is that although it
> would be nice to think that
> > antibiotics are bactericidal they
> are often only bacteriostatic. That
> > means we would like them to
> kill the bugs but often they just prevent
> > multiplication and
> let the immune system do the rest. I have no idea about
> >
> specific antibiotics outside of human use. The immune system functions the
>
> > same.
> > Vaccinations are used to induce active
> immunity by 'pretending' to be the
> > disease we need immunity to
> . Usually it is a killed version of the
> > disease (like
> tetanus)or a live harmless relative ---not to be used in
> >
> pregnancy (like our polio vaccine). It can be in the form of
> >
> immunoglobulin in an emergency, this would be passive and wears off with
>
> > time. Passive immunity wears off and cannot induce active
> immunity. We
> > cannot predict precisely when passive immunity
> will wear off. It would
> > seem wise to vaccinate before the
> passive immunity wears off. Vaccination
> > does not guarantee
> immunity will take place and it can reduce with time.
> > That is
> why a starter 'course' is given and boosters.
> > When animals are
> outside their country of origin they do not have immunity
> > to
> the diseases in the new environment. There is a genetic component to
> > immunity, some individuals are naturally immune. Similarly new
> diseases
> > can spread over a continent where there is no
> immunity(like swine flu). I
> > think you have a lot more diseases
> over there than we have here for your
> > alpacas and horses. A
> vaccine with 8 different diseases is amazing. I can
> > understand
> that though as the loss of even one cria is devastating. If you
> >
> gave them one at a time there would be a few slipping through the net and
>
> > then herd immunity would be affected. Herd immunity is when
> sufficient
> > members are vaccinated that the disease cannot hop
> from individual to
> > individual and spread across a nation. It
> has nothing to do with
> > individual herds. Having animals
> vaccinated protects them but also
> > prevents the spread of
> disease across the country. We are in that position
> > with blue
> tongue here. It is quite scary.
> > I hope this isn't too much
> info!
> > There is more specific info here as well as a link.
> >
> > http://www.vetmed.
>
> >
> >
> http://www.ianrpubs
> >
>
> > Best wishes
> > Sue and her three boys
> > Leroy
> Brown, Frankie Jones and George
>
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posted by Chaddo at 7:16 AM
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