Influence of the Roughage Level in the Finishing Diet on Carcass Characteristics and Fatty Acid Composition of Carcass Fat in Fattening Japanese Black Steers

Influence of the Roughage Level in the Finishing Diet on Carcass Characteristics and Fatty Acid Composition of Carcass Fat in Fattening Japanese Black Steers

To investigate the influence of the roughage level in the finishing diet on carcass character-istics and fatty acid composition of carcass fat, eight 19-month-old Japanese Bl ack steers of a paternal half-sib family were assigned to either 25% or 15% rice straw level on TDN basis in the diet. Steers...

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Veröffentlicht in:Nihon Chikusan Gakkaiho 1996/06/25, Vol.67(6), pp.554-560
Hauptverfasser: KIMURA, Nobuhiro, KIMURA, Seiji, KOSAKO, Takami, IMURA, Tsuyoshi
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Sprache:jpn
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Carcass
Fattening
Fatty acids
Japanese Black
Roughage level
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container_issue 6
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container_title Nihon Chikusan Gakkaiho
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creator KIMURA, Nobuhiro
KIMURA, Seiji
KOSAKO, Takami
IMURA, Tsuyoshi
description To investigate the influence of the roughage level in the finishing diet on carcass character-istics and fatty acid composition of carcass fat, eight 19-month-old Japanese Bl ack steers of a paternal half-sib family were assigned to either 25% or 15% rice straw level on TDN basis in the diet. Steers were provided with equal TDN intake to obtain 0.6kg daily gain for 320 days. In the low roughage group, back fat thickness was higher (p
doi_str_mv 10.2508/chikusan.67.554
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Steers were provided with equal TDN intake to obtain 0.6kg daily gain for 320 days. In the low roughage group, back fat thickness was higher (p<0.05), beef colour was brighter (p<0.05), beef firmness was smoother (p<0.05) and beef quality grade was higher (p<0.05). There were tendencies of higher dressing percentage and higher marbling score also in the low roughage group. C 18:0 of back fat was lower (p<0.05) and (C 18:1+C 18:2)/C 18:0 (UFA/SFA) ratio of back fat was higher (p<0.05) in the steers fed with low rice straw diet. As to the rib eye fat, C 16: 1 was higher (p<0.05) and C 18:0 was lower (p<0.05) in the low roughage group. C 18:0 was lower (p<0.05), C 18:1 was higher (p<0.05), UFA was higher (p<0.05) and UFA/SFA was higher (p <0.05) in the kidney fat of the low roughage group. These results show that the beef quality of the low rice straw group is superior to another, and suggest that the dietary roughage level in the finishing stage of fattening can influence on the beef carcass grade and quality of Japanese Black steers.]]></description><identifier>ISSN: 1346-907X</identifier><identifier>EISSN: 1880-8255</identifier><identifier>DOI: 10.2508/chikusan.67.554</identifier><language>jpn</language><publisher>Japanese Society of Animal Science</publisher><subject>Carcass ; Fattening ; Fatty acids ; Japanese Black ; Roughage level</subject><ispartof>Nihon Chikusan Gakkaiho, 1996/06/25, Vol.67(6), pp.554-560</ispartof><rights>Japanese Society of Animal Science</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2494-c2de8cbee0eca124cfba24f4bfb86a996c07aed5f7fb9de1b5c00368f24a8f3b3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>KIMURA, Nobuhiro</creatorcontrib><creatorcontrib>KIMURA, Seiji</creatorcontrib><creatorcontrib>KOSAKO, Takami</creatorcontrib><creatorcontrib>IMURA, Tsuyoshi</creatorcontrib><title>Influence of the Roughage Level in the Finishing Diet on Carcass Characteristics and Fatty Acid Composition of Carcass Fat in Fattening Japanese Black Steers</title><title>Nihon Chikusan Gakkaiho</title><addtitle>Nihon Chikusan Gakkaiho</addtitle><description><![CDATA[To investigate the influence of the roughage level in the finishing diet on carcass character-istics and fatty acid composition of carcass fat, eight 19-month-old Japanese Bl ack steers of a paternal half-sib family were assigned to either 25% or 15% rice straw level on TDN basis in the diet. 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identifier ISSN: 1346-907X
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issn 1346-907X
1880-8255
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source Alma/SFX Local Collection
subjects Carcass
Fattening
Fatty acids
Japanese Black
Roughage level
title Influence of the Roughage Level in the Finishing Diet on Carcass Characteristics and Fatty Acid Composition of Carcass Fat in Fattening Japanese Black Steers
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