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The effects of anti-nutritional fact...

Myrie, Semone Bernadet.

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The effects of anti-nutritional factors in feedstuffs on gastrointestinal mucin production and on threonine requirement in the growing pig.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The effects of anti-nutritional factors in feedstuffs on gastrointestinal mucin production and on threonine requirement in the growing pig./
作者:	Myrie, Semone Bernadet.
面頁冊數:	141 p.
附註:	Adviser: Ronald O. Bau.
Contained By:	Masters Abstracts International43-03.
標題:	Agriculture, Animal Culture and Nutrition. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ96524
ISBN:	9780612965249

The effects of anti-nutritional factors in feedstuffs on gastrointestinal mucin production and on threonine requirement in the growing pig.
Myrie, Semone Bernadet.

The effects of anti-nutritional factors in feedstuffs on gastrointestinal mucin production and on threonine requirement in the growing pig. - 141 p.

Adviser: Ronald O. Bau.

Thesis (M.Sc.)--University of Alberta (Canada), 2004.

Feedstuffs contain many anti-nutritive factors (ANF), which has the ability to reduce nutrient digestibility and to stimulate intestinal mucus secretion. Mucin protein, a mucus component, is rich in threonine, which is not reabsorbed for utilisation by the animal. Thus, threonine is lost in higher proportions (29--33%) than other amino acids from the small intestine. However, differences in endogenous threonine losses from feeding common feedstuffs are not accounted for in recommendations for threonine intake. Consequently, feeding pigs a typical diet (high in ANF) with threonine just at the requirement level will result in poorer performance due to higher than predicted losses of threonine. Because threonine is the second limiting amino acid in most feedstuffs, including barley, wheat, canola meal, and peas, ANF may increase net threonine loss thereby increasing its requirement. Thus, the objectives of these experiments were: (1) To establish which ANF in common feedstuffs lead to the greatest losses of mucin from the small intestine, hence to the greatest loss of threonine. (2) To demonstrate that the threonine requirement is higher in pigs fed diets with high concentrations of mucin-stimulating anti-nutritive factors.

ISBN: 9780612965249Subjects--Topical Terms:

1017857
Agriculture, Animal Culture and Nutrition.

The effects of anti-nutritional factors in feedstuffs on gastrointestinal mucin production and on threonine requirement in the growing pig.
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