|
|
Article: Consideration of vitamin [D.sub.3] absorption may be needed.(Nutrition And Health/Poultry)
- Article from:
- Feedstuffs
- Article date:
- January 26, 2004
- Author:
CopyrightCOPYRIGHT 2004 Miller Publishing Company, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
Numerous studies find that the intestinal uptake of 25-OH vitamin [D.sub.3] occurs irrespective of bile acid secretion and micelle formation/fat absorption. The newly hatched bird struggles to coordinate an infantile digestive system with a rapidly developing skeleton. 25-OH vitamin [D.sub.3] could offer pronounced advantages to the bird under typical production challenges, not only early in the bird's life but also when some enteropathies are most prone to express themselves.
In recent years, the most significant development in vitamin D nutrition for poultry feeds has been the commercialization of 25-hydroxy vitamin [D.sub.3] (25-OHD3). In the U.S., this product ...
<0.05) bivariate correlation for 25-OHD3 blood levels and calcium absorption, whereas that between 1,25-diOH [D.sub.3] and calcium absorption was virtually nonexistent (P>