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Re: Re: RE: Re: Purina Complete Advantage



Trying to get energy values from protein is comparing apples to oranges in
most cases.  Easier to extrapolate DE from fiber content---close enough for
most estimations.

Susan G


----- Original Message -----
From: Duncan Fletcher <dfletche@gte.net>
To: Susan Garlinghouse <suendavid@worldnet.att.net>; Karen Sullivan
<greymare@jps.net>; Kathy Mayeda <kathy_mayeda@atce.com>; Linda Romander
<romander@foothill.net>; <ridecamp@endurance.net>
Sent: Friday, July 14, 2000 9:38 PM
Subject: Re: Re: RE: Re: Purina Complete Advantage


> Which brings me to one of my pet peeves. Assuming a horse consumes the
same
> energy content, which will provide more protein: late bloom orchardgrass
at
> 7.6% protein or oats at 11.8% protein? The answer is the orchardgrass
> because in order to maintain the same energy input (constant weight), they
> will eat more orchardgrass. For comparing concentrates, the % protein is a
> reasonable approach, but it breaks down when comparing substantially
> different feeds. Because concentrates have higher energy density, higher
> protein percentages are necessary for the horse to consume sufficient
> protein. A better number would be to normalize protein to DE, but alas,
you
> will have to estimate DE from the ingredients and calculate it yourself.
>
> Duncan Fletcher
> dfletche@gte.net
>
>
> ----- Original Message -----
> From: "Susan Garlinghouse" <suendavid@worldnet.att.net>
>
> [snip]
> > > What I seem to end up doing these days is bags and bags of beet pulp,
> then
> > > added a 10% protein manna-pro pellet, maybe some manna senior, maybe
> some
> > of
> > > their 'sweet feed" called Wagon train; salt, veg. oil, and something
> like
> > > Select II or Accell.  Other thing I didn't like about the Purina feeds
> is
> > > that so many of them were too high on the protein scale for me.
> >
> > Yes, but remember that feeding a "16% protein" supplement feed doesn't
> mean
> > your total diet is 16%.  If you're feeding it with 8% CP grass hay, than
> > your total crude protein of your ration is probably closer to 10%,
> depending
> > on amounts of each you're feeding.  If you're feeding a 16% grain mix
with
> a
> > 20% CP alfalfa, then, yes, your ration is way too high protein, but then
> > your problem isn't with the grain mix. :-)  Complete Advantage is 12.5%
> > protein, which is pretty moderate.  The Omolene 300 is 16% CP, but the
> > overall ration I feed is 12% because of the grass hay I provide that
> > mediates the overall protein levels (which, btw, is to a broodmare, not
a
> > performance horse, but isn't that different).
> >
> > Susan G
>
>
>
>



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