Rumen degradation and passage kinetics of silage made from different corn hybrids

被引：0
|
作者：
Araujo, Karoline Guedes [1 ]
Junqueira Villela, Severino Delmar [1 ]
Leonel, Fernando de Paula [2 ]
Tamy, Wagner Pessanha [3 ]
Gomes, Raphael dos Santos [3 ]
Correa Abreu, Matheus Lima [3 ]
机构：
[1] Univ Fed Vales Jequitinhonha & Mucuri, Diamantina, MG, Brazil
[2] Univ Fed Sao Joao del Rei, Sao Joao Del Rei, MG, Brazil
[3] Univ Estadual Norte Fluminense, Campos Dos Goytacazes, RJ, Brazil
来源：
REVISTA BRASILEIRA DE ZOOTECNIA-BRAZILIAN JOURNAL OF ANIMAL SCIENCE | 2014年 / 43卷 / 10期
关键词：
fiber; passage rate; ruminal degradability; GENERALIZED COMPARTMENTAL MODEL; NEUTRAL DETERGENT FIBER; DIGESTIBILITY; DIGESTION; DEGRADABILITY; PROTEIN; DIETS; MASS;
D O I：
10.1590/S1516-35982014001000002
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
The objective of the present study was to evaluate the parameters related to the digestion of the fiber from silages of four corn hybrids (BX1280, SHS4070, 2B433, and DKB390) developed for silage production. Four rumen-cannulated castrated Holstein x Zebu crossbred cattle with approximate initial weight of 400 kg were distributed in a Latin square design. To determine the fiber passage rate and degradability, the techniques of chromium-mordant and in situ incubation of the neutral detergent fiber of the silages in nylon bags were used. The profiles of concentration of the marker in the feces were described by the generalized two-compartment model. Corn hybrid DKB390 is the most indicated for production of better-quality silages, because its fiber is more degradable in the rumen as compared with the other hybrids tested.
引用
收藏
页码：519 / 523
页数：5
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