RE: [RC] catching up regarding beet pulp, pt 1 - Lisa

I have a question regarding the case study below, specifically "The test
ration contained 25% beet pulp in the total dietary dry matter. Beet
pulp feeding significantly lowered crude fat and non-structural
carbohydrate digestibility . . ."
I'm questioning this statement/result since I have a very hard keeper
and feed her Cocosoya, a blend of unrefined soy and coconut oils.  Since
I also feed soaked beet pulp with the oil, is the beet pulp
'interfering' with the absorption of the Cocosoya?

I have another question about feeding oil/fats.  Since horses don't have
gall bladders, which helps break down fats in the human body, is it
healthy to feed a horse oil, or even something naturally high in fat,
such as extruded soy, rice bran or flax seed?

Lisa Douglass
Moss Rock Endurance
US Distributor, Free 'n' Easy Saddles
Dealer, Specialized Saddles
www.mossrockendurance.com
(719)439-2472
 

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Macronutrient digestibility, nitrogen balance, plasma indicators of
protein metabolism and mineral absorption in horses fed a ration rich in
sugar beet pulp.

Olsman AF, Huurdeman CM, Jansen WL, Haaksma J, Sloet van
Oldruitenborgh-Oosterbaan MM, Beynen AC.
Department of Nutrition, Faculty of Veterinary Medicine, Utrecht
University, Utrecht, The Netherlands. a.f.s.olsman@xxxxxxxxxxxxxx

In a cross-over study with six mature horses, the effect of
iso-energetic replacement of dietary glucose by beet pulp on
macronutrient digestibility, nitrogen metabolism and mineral absorption
was studied. The test ration contained 25% beet pulp in the total
dietary dry matter. Beet pulp feeding significantly lowered crude fat
and non-structural carbohydrate digestibility, but had no significant
effect on digestibility of other macronutrients, faecal and urinary
nitrogen excretion and the faecal to urinary nitrogen excretion
quotient. However, on the beet pulp diet, plasma ammonia and creatinin
concentrations were significantly lower than on the glucose diet. No
diet effect on magnesium absorption was observed. It is suggested that
dietary beet pulp stimulates the conversion of ammonia into urea.


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