Estimation of protein intestinal digestibility of feeds by means of three-steps technique

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Estimation of protein intestinal digestibility of feeds by means of three-steps technique. / Cabral, LD; Valadares, SD; Malafaia, PAM; Lana, RD; da Silva, JFC; Vieira, RAM; Pereira, ES.

In: Revista Brasileira de Zootecnia, Vol. 30, No. 2, 2001, p. 546-552.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Cabral, LD, Valadares, SD, Malafaia, PAM, Lana, RD, da Silva, JFC, Vieira, RAM & Pereira, ES 2001, 'Estimation of protein intestinal digestibility of feeds by means of three-steps technique', Revista Brasileira de Zootecnia, vol. 30, no. 2, pp. 546-552.

APA

Cabral, LD., Valadares, SD., Malafaia, PAM., Lana, RD., da Silva, JFC., Vieira, RAM., & Pereira, ES. (2001). Estimation of protein intestinal digestibility of feeds by means of three-steps technique. Revista Brasileira de Zootecnia, 30(2), 546-552.

Vancouver

Cabral LD, Valadares SD, Malafaia PAM, Lana RD, da Silva JFC, Vieira RAM et al. Estimation of protein intestinal digestibility of feeds by means of three-steps technique. Revista Brasileira de Zootecnia. 2001;30(2):546-552.

Author

Cabral, LD ; Valadares, SD ; Malafaia, PAM ; Lana, RD ; da Silva, JFC ; Vieira, RAM ; Pereira, ES. / Estimation of protein intestinal digestibility of feeds by means of three-steps technique. In: Revista Brasileira de Zootecnia. 2001 ; Vol. 30, No. 2. pp. 546-552.

Bibtex

@article{0be425c1bb294b46906127bdb4eee806,
title = "Estimation of protein intestinal digestibility of feeds by means of three-steps technique",
abstract = "The objective of this research was to estimate the intestinal digestibility of rumen-undegradable protein (RUDP) by a three-steps procedure. The evaluated feeds were the soybean meal, cottonseed meal, wheat middlings, corn meal, corn gluten meal, whole raw soybean, whole raw cottonseed, fishmeal, meat meal and blood meal. Firstly, the feeds were incubated in rumen during 16 hours to determine the rumen-undegradable protein, the residue was incubated with pepsin solution during I hour, and pancreatic solution during 24 hours at 38(0)C, whose residues were analyzed for total nitrogen. The RUDP ranged from 18,83% to 94%, and the estimates of intestinal digestion of RUDP ranged from 25,07 to 83,25%. The corn gluten meal and soybean meal were the feeds that presented better intestinal digestibility, and the whole raw soybean and wheat middlings, the lowest digestibility. Although some formulation systems for ruminant diets suggest that the RUDP presents constant intestinal digestibility, the data obtained in this study suggest that this was changeable.",
keywords = "digestibility, small intestine, protein, ruminant",
author = "LD Cabral and SD Valadares and PAM Malafaia and RD Lana and {da Silva}, JFC and RAM Vieira and ES Pereira",
year = "2001",
language = "Udefineret/Ukendt",
volume = "30",
pages = "546--552",
journal = "Revista Brasileira de Zootecnia",
issn = "1516-3598",
publisher = "Sociedade Brasileira de Zootecnia",
number = "2",

}

RIS

TY - JOUR

T1 - Estimation of protein intestinal digestibility of feeds by means of three-steps technique

AU - Cabral, LD

AU - Valadares, SD

AU - Malafaia, PAM

AU - Lana, RD

AU - da Silva, JFC

AU - Vieira, RAM

AU - Pereira, ES

PY - 2001

Y1 - 2001

N2 - The objective of this research was to estimate the intestinal digestibility of rumen-undegradable protein (RUDP) by a three-steps procedure. The evaluated feeds were the soybean meal, cottonseed meal, wheat middlings, corn meal, corn gluten meal, whole raw soybean, whole raw cottonseed, fishmeal, meat meal and blood meal. Firstly, the feeds were incubated in rumen during 16 hours to determine the rumen-undegradable protein, the residue was incubated with pepsin solution during I hour, and pancreatic solution during 24 hours at 38(0)C, whose residues were analyzed for total nitrogen. The RUDP ranged from 18,83% to 94%, and the estimates of intestinal digestion of RUDP ranged from 25,07 to 83,25%. The corn gluten meal and soybean meal were the feeds that presented better intestinal digestibility, and the whole raw soybean and wheat middlings, the lowest digestibility. Although some formulation systems for ruminant diets suggest that the RUDP presents constant intestinal digestibility, the data obtained in this study suggest that this was changeable.

AB - The objective of this research was to estimate the intestinal digestibility of rumen-undegradable protein (RUDP) by a three-steps procedure. The evaluated feeds were the soybean meal, cottonseed meal, wheat middlings, corn meal, corn gluten meal, whole raw soybean, whole raw cottonseed, fishmeal, meat meal and blood meal. Firstly, the feeds were incubated in rumen during 16 hours to determine the rumen-undegradable protein, the residue was incubated with pepsin solution during I hour, and pancreatic solution during 24 hours at 38(0)C, whose residues were analyzed for total nitrogen. The RUDP ranged from 18,83% to 94%, and the estimates of intestinal digestion of RUDP ranged from 25,07 to 83,25%. The corn gluten meal and soybean meal were the feeds that presented better intestinal digestibility, and the whole raw soybean and wheat middlings, the lowest digestibility. Although some formulation systems for ruminant diets suggest that the RUDP presents constant intestinal digestibility, the data obtained in this study suggest that this was changeable.

KW - digestibility

KW - small intestine

KW - protein

KW - ruminant

M3 - Tidsskriftartikel

VL - 30

SP - 546

EP - 552

JO - Revista Brasileira de Zootecnia

JF - Revista Brasileira de Zootecnia

SN - 1516-3598

IS - 2

ER -

ID: 271561064