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＜departmental bulletin paper＞
Mean Leaf Area of the Canopy for Light Interception by Forages and Mean Retention Time of Feed in the Rumen for Feed Ingestion by Ruminants as Investigated using Simple Models

Creator
Author PID
K001569
Creator Name
Shimojo, Masataka
下條, 雅敬
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Creator Name
Bungo, Takashi
豊後, 貴嗣
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Creator Name
Imura, Yoshimi
伊村, 嘉美
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Creator Name
Tobisa, Manabu
飛佐, 学
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Creator Name
Koga, Naoki
古賀, 直樹
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Creator Name
Tao, Shao
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
Creator Name
Yunus, Muhammad
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
Author PID
K001674
Creator Name
Nakano, Yutaka
中野, 豊
Affiliation
Affiliation Name
Kyushu University Farm
九州大学農学部附属農場
Author PID
L000534
Creator Name
Goto, Ichiro
五斗, 一郎
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Author PID
K000452
Creator Name
Furuse, Mitsuhiro
古瀬, 充宏
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Author PID
K001529
Creator Name
Masuda, Yasuhisa
増田, 泰久
Affiliation
Affiliation Name
Laboratory of Animal Feed Science, Faculty of Agriculture, Kyushu University
九州大学農学部生物資源環境学科動物生産科学飼料学講座
Language
English
Publisher
Kyushu University
九州大学農学部
Date
1998-11
Source Title
Journal of the Faculty of Agriculture, Kyushu University
Vol
43
Issue
1/2
First Page
111
Last Page
118
Publication Type
Version of Record
Access Rights
open access
Crossref DOI
https://doi.org/10.5109/24257
Related DOI
九州大学農学部紀要 || 43(1/2) || p111-118
Journal of the Faculty of Agriculture, Kyushu University || 43(1/2) || p111-118
http://www.agr.kyushu-u.ac.jp/
Related URI
九州大学農学部紀要 || 43(1/2) || p111-118
Journal of the Faculty of Agriculture, Kyushu University || 43(1/2) || p111-118
http://www.agr.kyushu-u.ac.jp/
Relation
九州大学農学部紀要 || 43(1/2) || p111-118
Journal of the Faculty of Agriculture, Kyushu University || 43(1/2) || p111-118
http://www.agr.kyushu-u.ac.jp/

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Details

PISSN
0023-6152
NCID
AA00697606
Record ID
24257
Peer-Reviewed
Unrefereed
Subject Terms
Mean leaf area of the canopy
Mean retention time of feed
Ruminants
Light interception
ISSN
0023-6152
NCID
AA00697606
Notes
This study was conducted to take up the following two subjects; (1) relationships between light interception by the forage canopy and its mean leaf area weighted by the light attenuation curve [MLA], and (2) relationships between feed ingestion by ruminants and mean retention time of feed in the rumen weighted by the feed disappearance curve [MRT], using simple models for forages and those for ruminants. The following results were suggested: (1) when the canopy leaf area index [L] was high the small coefficient of light extinction [Kf] enabled the canopy to have large MLA which could intercept more amount of light, whereas the saturation of light interception occured in lower L when the canopy had large Kf, (2) daily feed intake [DFI] by ruminants increased with the increase in MRT [ = feed disappearance rate ]. The present study using simple models suggested that MLA of the canopy of forages was like MRT of feed in the rumen of ruminants as indices for the estimation of energy ingestion.
Created Date 2012.08.02
Modified Date 2022.11.11

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