Residual feed intake and gain alters the performance and carcass traits in Nellore cattle
The residual intake and gain (RIG) aims to select animals that present low feed intake in relation to the expected. This study aimed to evaluate the associations of selection for RIG with performance and carcass traits in Nellore cattle. Initially, residual feed intake (RFI) and residual gain (RG) w...
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description | The residual intake and gain (RIG) aims to select animals that present low feed intake in relation to the expected. This study aimed to evaluate the associations of selection for RIG with performance and carcass traits in Nellore cattle. Initially, residual feed intake (RFI) and residual gain (RG) were determined. From this, the RIG was calculated, and the animals were classified as efficient and inefficient for RIG. The efficient animals for RIG showed higher daily weight gain (DWG),
Longissimus
muscle area (LMA), and mid-test metabolic body weight (MMBW) than the inefficient ones. No significant correlations were found between subcutaneous fat thickness (SFT), marbling (MAR), LMA, MMBW, and the RIG. Thus, it’s concluded that the RIG is a measure that can be used to identify and select animals with higher rates of DWG and LMA without changes in the dry matter intake (DMI), SFT, and MAR. However, this index should still be observed with caution, as it may be dependent on body size. Based on the findings, the selection of animals according to the RIG can be an important factor to generate phenotypic evolution in characteristics such as weight gain and rib eye area without adverse effects on the carcass fat deposition. |
doi_str_mv | 10.1007/s11250-024-04176-8 |
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Longissimus
muscle area (LMA), and mid-test metabolic body weight (MMBW) than the inefficient ones. No significant correlations were found between subcutaneous fat thickness (SFT), marbling (MAR), LMA, MMBW, and the RIG. Thus, it’s concluded that the RIG is a measure that can be used to identify and select animals with higher rates of DWG and LMA without changes in the dry matter intake (DMI), SFT, and MAR. However, this index should still be observed with caution, as it may be dependent on body size. Based on the findings, the selection of animals according to the RIG can be an important factor to generate phenotypic evolution in characteristics such as weight gain and rib eye area without adverse effects on the carcass fat deposition.</description><identifier>ISSN: 0049-4747</identifier><identifier>ISSN: 1573-7438</identifier><identifier>EISSN: 1573-7438</identifier><identifier>DOI: 10.1007/s11250-024-04176-8</identifier><identifier>PMID: 39356428</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animal Feed - analysis ; Animals ; Biomedical and Life Sciences ; Body Composition ; Body size ; Body weight ; Carcasses ; Cattle ; Cattle - growth & development ; Cattle - physiology ; Cattle feeds ; Dry matter ; dry matter intake ; Eating ; evolution ; Evolution & development ; fat thickness ; Feeds ; Female ; Life Sciences ; longissimus muscle ; Male ; marbling ; Nellore ; Performance evaluation ; phenotype ; Regular Articles ; subcutaneous fat ; Veterinary Medicine/Veterinary Science ; Weight ; Weight Gain ; Zoology</subject><ispartof>Tropical animal health and production, 2024-11, Vol.56 (8), p.316-316, Article 316</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2024 Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2024. The Author(s), under exclusive licence to Springer Nature B.V.</rights><rights>Copyright Springer Nature B.V. Nov 2024</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c289t-82919efa3b591a61ccd9def1993a56a667d1408f5c6e3d4771f2b157e35c6ac93</cites><orcidid>0000-0001-5252-5755 ; 0000-0002-1345-1084 ; 0000-0003-4123-7031 ; 0000-0001-9926-6359 ; 0000-0001-8270-384X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11250-024-04176-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11250-024-04176-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51298</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39356428$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fernandes, Luís Miguel Gonçalves</creatorcontrib><creatorcontrib>de Moraes, Giovanna Faria</creatorcontrib><creatorcontrib>Lopes, Idael Matheus Góes</creatorcontrib><creatorcontrib>Abreu, Luiza Rodrigues Alves</creatorcontrib><creatorcontrib>Chaves, Amália Saturnino</creatorcontrib><title>Residual feed intake and gain alters the performance and carcass traits in Nellore cattle</title><title>Tropical animal health and production</title><addtitle>Trop Anim Health Prod</addtitle><addtitle>Trop Anim Health Prod</addtitle><description>The residual intake and gain (RIG) aims to select animals that present low feed intake in relation to the expected. This study aimed to evaluate the associations of selection for RIG with performance and carcass traits in Nellore cattle. Initially, residual feed intake (RFI) and residual gain (RG) were determined. From this, the RIG was calculated, and the animals were classified as efficient and inefficient for RIG. The efficient animals for RIG showed higher daily weight gain (DWG),
Longissimus
muscle area (LMA), and mid-test metabolic body weight (MMBW) than the inefficient ones. No significant correlations were found between subcutaneous fat thickness (SFT), marbling (MAR), LMA, MMBW, and the RIG. Thus, it’s concluded that the RIG is a measure that can be used to identify and select animals with higher rates of DWG and LMA without changes in the dry matter intake (DMI), SFT, and MAR. However, this index should still be observed with caution, as it may be dependent on body size. 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This study aimed to evaluate the associations of selection for RIG with performance and carcass traits in Nellore cattle. Initially, residual feed intake (RFI) and residual gain (RG) were determined. From this, the RIG was calculated, and the animals were classified as efficient and inefficient for RIG. The efficient animals for RIG showed higher daily weight gain (DWG),
Longissimus
muscle area (LMA), and mid-test metabolic body weight (MMBW) than the inefficient ones. No significant correlations were found between subcutaneous fat thickness (SFT), marbling (MAR), LMA, MMBW, and the RIG. Thus, it’s concluded that the RIG is a measure that can be used to identify and select animals with higher rates of DWG and LMA without changes in the dry matter intake (DMI), SFT, and MAR. However, this index should still be observed with caution, as it may be dependent on body size. Based on the findings, the selection of animals according to the RIG can be an important factor to generate phenotypic evolution in characteristics such as weight gain and rib eye area without adverse effects on the carcass fat deposition.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>39356428</pmid><doi>10.1007/s11250-024-04176-8</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-5252-5755</orcidid><orcidid>https://orcid.org/0000-0002-1345-1084</orcidid><orcidid>https://orcid.org/0000-0003-4123-7031</orcidid><orcidid>https://orcid.org/0000-0001-9926-6359</orcidid><orcidid>https://orcid.org/0000-0001-8270-384X</orcidid></addata></record> |
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subjects | Animal Feed - analysis Animals Biomedical and Life Sciences Body Composition Body size Body weight Carcasses Cattle Cattle - growth & development Cattle - physiology Cattle feeds Dry matter dry matter intake Eating evolution Evolution & development fat thickness Feeds Female Life Sciences longissimus muscle Male marbling Nellore Performance evaluation phenotype Regular Articles subcutaneous fat Veterinary Medicine/Veterinary Science Weight Weight Gain Zoology |
title | Residual feed intake and gain alters the performance and carcass traits in Nellore cattle |
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