Nutrient compostion of feed-grade and pet-food-grade poultry by-product meal

被引：35
|
作者：
Dozier, WA
Dale, NM
Dove, CR
机构：
[1] Univ Georgia, Rural Dev Ctr, Dept Poultry Sci, Tifton, GA 31793 USA
[2] Univ Georgia, Dept Poultry Sci, Auburn, AL 36849 USA
[3] Univ Georgia, Dept Anim & Dairy Sci, Tifton, GA 31793 USA
来源：
JOURNAL OF APPLIED POULTRY RESEARCH | 2003年 / 12卷 / 04期
关键词：
animal by-product; feedstuff; ingredient; poultry by-product meal;
D O I：
10.1093/japr/12.4.526
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Pet-food manufacturers have specified to renderers the need for poultry by-product meal (PBM) to be manufactured without lower quality by-product fractions, such as feathers and heads, leading to a higher protein product than conventional feed-grade PBM. One result is that nutritionists are faced with greater nutrient variation among PBM sources. Thirty-six PBM samples (26 = feed grade and 10 = pet-food grade) were collected from commercial feed mills during a 3-mo period to assess nutrient composition and its variation. Pet-food-grade PBM had higher protein, less ash, and lower calcium than feed-grade PBM. Amino acid analyses indicated the pet-food-grade PBM had higher lysine and methionine, and the amino acids in pet-food-grade PBM exhibited higher digestibility compared with those in the feed-grade samples. Nutrient variability was more pronounced in the feed-grade PBM.
引用
收藏
页码：526 / 530
页数：5
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