Aarhus University Seal / Aarhus Universitets segl

Tofuko Awori Woyengo

Standardized and true ileal amino acid digestibilities in field pea and pea protein isolate fed to growing pigs

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Standardized and true ileal amino acid digestibilities in field pea and pea protein isolate fed to growing pigs. / Woyengo, T A; Heo, J. M.; Yin, Y. L.; Nyachoti, C. M.

I: Animal Feed Science and Technology, Bind 207, 01.09.2015, s. 196-203.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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Woyengo, T A ; Heo, J. M. ; Yin, Y. L. ; Nyachoti, C. M. / Standardized and true ileal amino acid digestibilities in field pea and pea protein isolate fed to growing pigs. I: Animal Feed Science and Technology. 2015 ; Bind 207. s. 196-203.

Bibtex

@article{0a0d2f088f9744ff812ee6cc144c5685,
title = "Standardized and true ileal amino acid digestibilities in field pea and pea protein isolate fed to growing pigs",
abstract = "Four ileal-cannulated Cotswold barrows (50.41. ±. 5.05. kg body weight) were used to determine apparent (AID), standardized (SID) and true (TID) ileal digestibility of amino acids (AA) in field pea and pea protein isolate (PPI) processed from the same batch of the whole field pea. Pigs were allotted to 2 experimental diets in a simple cross-over design. Diets contained either field pea or PPI as the sole source of protein and were formulated to contain 155. g/kg CP. The AID of nutrients was determined by the indicator method. The SID of AA was calculated using published values for basal endogenous AA losses obtained from our laboratory. The total endogenous flow of lysine and the TID of lysine were determined by the homoarginine method. The TID of AA other than lysine were estimated using their published ratios in endogenous protein relative to lysine. The AID coefficient of CP (0.88 vs. 0.80), Ile (0.91 vs. 0.79), leucine (0.92 vs. 0.81), lysine (0.93 vs. 0.84), phenylalanine (0.92 vs. 0.84) and valine (0.89 vs. 0.76) were greater (. P<. 0.05) in PPI than in field pea. The total (363 vs. 2167. mg/kg [dry matter intake (DMI)] and endogenous (312 vs. 1777. mg/kg DMI) lysine flow were lower (. P<. 0.05) in PPI compared with field pea. Likewise, field pea had greater (. P<. 0.05) total and endogenous nitrogen (N) and AA (other than lysine) flow compared with PPI. The SID of indispensable AA for PPI was greater (. P<. 0.05) than that for field pea. However, PPI and field pea were similar in the TID of all indispensable amino acid except lysine whose TID coefficient in PPI (0.99) was greater (. P<. 0.05) than for field pea (0.94). In conclusion, the results indicate that processing of field pea to produce pea protein isolate improved apparent AID of AA and reduced ileal endogenous AA losses. However, the processing of field pea to produce pea protein isolate had limited effect on TID of AA.",
keywords = "Amino acid digestibility, Pea protein isolate, Pigs",
author = "Woyengo, {T A} and Heo, {J. M.} and Yin, {Y. L.} and Nyachoti, {C. M.}",
note = "Funding Information: Financial support from Manitoba Pork Council is greatly appreciated. Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.. Copyright: Copyright 2015 Elsevier B.V., All rights reserved.",
year = "2015",
month = sep,
day = "1",
doi = "10.1016/j.anifeedsci.2015.06.008",
language = "English",
volume = "207",
pages = "196--203",
journal = "Animal Feed Science and Technology",
issn = "0377-8401",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Standardized and true ileal amino acid digestibilities in field pea and pea protein isolate fed to growing pigs

AU - Woyengo, T A

AU - Heo, J. M.

AU - Yin, Y. L.

AU - Nyachoti, C. M.

N1 - Funding Information: Financial support from Manitoba Pork Council is greatly appreciated. Publisher Copyright: © 2015 Elsevier B.V.. Copyright: Copyright 2015 Elsevier B.V., All rights reserved.

PY - 2015/9/1

Y1 - 2015/9/1

N2 - Four ileal-cannulated Cotswold barrows (50.41. ±. 5.05. kg body weight) were used to determine apparent (AID), standardized (SID) and true (TID) ileal digestibility of amino acids (AA) in field pea and pea protein isolate (PPI) processed from the same batch of the whole field pea. Pigs were allotted to 2 experimental diets in a simple cross-over design. Diets contained either field pea or PPI as the sole source of protein and were formulated to contain 155. g/kg CP. The AID of nutrients was determined by the indicator method. The SID of AA was calculated using published values for basal endogenous AA losses obtained from our laboratory. The total endogenous flow of lysine and the TID of lysine were determined by the homoarginine method. The TID of AA other than lysine were estimated using their published ratios in endogenous protein relative to lysine. The AID coefficient of CP (0.88 vs. 0.80), Ile (0.91 vs. 0.79), leucine (0.92 vs. 0.81), lysine (0.93 vs. 0.84), phenylalanine (0.92 vs. 0.84) and valine (0.89 vs. 0.76) were greater (. P<. 0.05) in PPI than in field pea. The total (363 vs. 2167. mg/kg [dry matter intake (DMI)] and endogenous (312 vs. 1777. mg/kg DMI) lysine flow were lower (. P<. 0.05) in PPI compared with field pea. Likewise, field pea had greater (. P<. 0.05) total and endogenous nitrogen (N) and AA (other than lysine) flow compared with PPI. The SID of indispensable AA for PPI was greater (. P<. 0.05) than that for field pea. However, PPI and field pea were similar in the TID of all indispensable amino acid except lysine whose TID coefficient in PPI (0.99) was greater (. P<. 0.05) than for field pea (0.94). In conclusion, the results indicate that processing of field pea to produce pea protein isolate improved apparent AID of AA and reduced ileal endogenous AA losses. However, the processing of field pea to produce pea protein isolate had limited effect on TID of AA.

AB - Four ileal-cannulated Cotswold barrows (50.41. ±. 5.05. kg body weight) were used to determine apparent (AID), standardized (SID) and true (TID) ileal digestibility of amino acids (AA) in field pea and pea protein isolate (PPI) processed from the same batch of the whole field pea. Pigs were allotted to 2 experimental diets in a simple cross-over design. Diets contained either field pea or PPI as the sole source of protein and were formulated to contain 155. g/kg CP. The AID of nutrients was determined by the indicator method. The SID of AA was calculated using published values for basal endogenous AA losses obtained from our laboratory. The total endogenous flow of lysine and the TID of lysine were determined by the homoarginine method. The TID of AA other than lysine were estimated using their published ratios in endogenous protein relative to lysine. The AID coefficient of CP (0.88 vs. 0.80), Ile (0.91 vs. 0.79), leucine (0.92 vs. 0.81), lysine (0.93 vs. 0.84), phenylalanine (0.92 vs. 0.84) and valine (0.89 vs. 0.76) were greater (. P<. 0.05) in PPI than in field pea. The total (363 vs. 2167. mg/kg [dry matter intake (DMI)] and endogenous (312 vs. 1777. mg/kg DMI) lysine flow were lower (. P<. 0.05) in PPI compared with field pea. Likewise, field pea had greater (. P<. 0.05) total and endogenous nitrogen (N) and AA (other than lysine) flow compared with PPI. The SID of indispensable AA for PPI was greater (. P<. 0.05) than that for field pea. However, PPI and field pea were similar in the TID of all indispensable amino acid except lysine whose TID coefficient in PPI (0.99) was greater (. P<. 0.05) than for field pea (0.94). In conclusion, the results indicate that processing of field pea to produce pea protein isolate improved apparent AID of AA and reduced ileal endogenous AA losses. However, the processing of field pea to produce pea protein isolate had limited effect on TID of AA.

KW - Amino acid digestibility

KW - Pea protein isolate

KW - Pigs

UR - http://www.scopus.com/inward/record.url?scp=84938196985&partnerID=8YFLogxK

U2 - 10.1016/j.anifeedsci.2015.06.008

DO - 10.1016/j.anifeedsci.2015.06.008

M3 - Journal article

AN - SCOPUS:84938196985

VL - 207

SP - 196

EP - 203

JO - Animal Feed Science and Technology

JF - Animal Feed Science and Technology

SN - 0377-8401

ER -