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Models to predict live weight from heart girth in crossbred beef heifers
The objective of this study was to develop and evaluate linear, quadratic, and exponential mathematical models to predict live weight (LW) from heart girth (HG) in crossbred heifers raised in tropical humid conditions in Mexico. Live weight (363.32 ± 150.88 kg) and HG (166.83 ± 24.88 cm) were measur...
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Published in: | Tropical animal health and production 2022-10, Vol.54 (5), p.275-275, Article 275 |
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creator | Chico-Alcudia, Denis R. Portillo-Salgado, Rodrigo Camacho-Pérez, Enrique Peralta-Torres, Jorge A. Angeles-Hernandez, Juan C. Muñoz-Benitez, Alfonso L. Lendechy, Víctor Hugo Severino Gurgel, Antonio Leandro Chaves dos Santos Difante, Gelson Ítavo, Luís Carlos Vinhas Chay-Canul, Alfonso J. |
description | The objective of this study was to develop and evaluate linear, quadratic, and exponential mathematical models to predict live weight (LW) from heart girth (HG) in crossbred heifers raised in tropical humid conditions in Mexico. Live weight (363.32 ± 150.88 kg) and HG (166.83 ± 24.88 cm) were measured in 400 heifers aged between 3 and 24 months. Linear and non-linear regression was used to construct the prediction models. The goodness of fit of the models was evaluated using the Akaike information criterion (AIC), the Bayesian information criterion (BIC), coefficient of determination (
R
2
), mean squared error (MSE), and root MSE (RMSE). In addition, the developed models were evaluated through internal and external cross-validation (
k
-folds) using independent data. The ability of the fitted models to predict the observed values was evaluated based on the root mean square error of prediction (RMSEP),
R
2
, and mean absolute error (MAE). The correlation coefficient between LW and HG was
r
= 0.98 (
P
|
doi_str_mv | 10.1007/s11250-022-03276-7 |
format | article |
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R
2
), mean squared error (MSE), and root MSE (RMSE). In addition, the developed models were evaluated through internal and external cross-validation (
k
-folds) using independent data. The ability of the fitted models to predict the observed values was evaluated based on the root mean square error of prediction (RMSEP),
R
2
, and mean absolute error (MAE). The correlation coefficient between LW and HG was
r
= 0.98 (
P
< 0.001). The quadratic model showed the lowest values of MAE (736.57), RMSEP (27.13), AIC (3783.95), and BIC (3799.91). Additionally, this model exhibited better goodness-of-fit values regarding external and internal validation criteria (higher
R
2
and lower RMSEP and MAE), thus having better predictive performance. The RMSE represented about 8% of the observed LW. Heart girth is highly correlated (
r
= 0.98) with LW. The quadratic model showed a high predictive capacity for crossbred heifers kept in tropical conditions.</description><identifier>ISSN: 0049-4747</identifier><identifier>EISSN: 1573-7438</identifier><identifier>DOI: 10.1007/s11250-022-03276-7</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animals ; Bayesian analysis ; Beef ; Biomedical and Life Sciences ; Biometrics ; Cattle ; Correlation coefficient ; Correlation coefficients ; Criteria ; Farms ; Goodness of fit ; Heart ; Life Sciences ; Livestock ; Mathematical models ; Performance prediction ; Prediction models ; Regular Articles ; Root-mean-square errors ; Veterinary Medicine/Veterinary Science ; Weight ; Zoology</subject><ispartof>Tropical animal health and production, 2022-10, Vol.54 (5), p.275-275, Article 275</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2022. Springer Nature or its licensor 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><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c352t-123a5f7e222077e5a93f6d6412b6c47ecd70f3fe7452c60b7f732f290e5846183</citedby><cites>FETCH-LOGICAL-c352t-123a5f7e222077e5a93f6d6412b6c47ecd70f3fe7452c60b7f732f290e5846183</cites><orcidid>0000-0001-5911-369X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Chico-Alcudia, Denis R.</creatorcontrib><creatorcontrib>Portillo-Salgado, Rodrigo</creatorcontrib><creatorcontrib>Camacho-Pérez, Enrique</creatorcontrib><creatorcontrib>Peralta-Torres, Jorge A.</creatorcontrib><creatorcontrib>Angeles-Hernandez, Juan C.</creatorcontrib><creatorcontrib>Muñoz-Benitez, Alfonso L.</creatorcontrib><creatorcontrib>Lendechy, Víctor Hugo Severino</creatorcontrib><creatorcontrib>Gurgel, Antonio Leandro Chaves</creatorcontrib><creatorcontrib>dos Santos Difante, Gelson</creatorcontrib><creatorcontrib>Ítavo, Luís Carlos Vinhas</creatorcontrib><creatorcontrib>Chay-Canul, Alfonso J.</creatorcontrib><title>Models to predict live weight from heart girth in crossbred beef heifers</title><title>Tropical animal health and production</title><addtitle>Trop Anim Health Prod</addtitle><description>The objective of this study was to develop and evaluate linear, quadratic, and exponential mathematical models to predict live weight (LW) from heart girth (HG) in crossbred heifers raised in tropical humid conditions in Mexico. Live weight (363.32 ± 150.88 kg) and HG (166.83 ± 24.88 cm) were measured in 400 heifers aged between 3 and 24 months. Linear and non-linear regression was used to construct the prediction models. The goodness of fit of the models was evaluated using the Akaike information criterion (AIC), the Bayesian information criterion (BIC), coefficient of determination (
R
2
), mean squared error (MSE), and root MSE (RMSE). In addition, the developed models were evaluated through internal and external cross-validation (
k
-folds) using independent data. The ability of the fitted models to predict the observed values was evaluated based on the root mean square error of prediction (RMSEP),
R
2
, and mean absolute error (MAE). The correlation coefficient between LW and HG was
r
= 0.98 (
P
< 0.001). The quadratic model showed the lowest values of MAE (736.57), RMSEP (27.13), AIC (3783.95), and BIC (3799.91). Additionally, this model exhibited better goodness-of-fit values regarding external and internal validation criteria (higher
R
2
and lower RMSEP and MAE), thus having better predictive performance. The RMSE represented about 8% of the observed LW. Heart girth is highly correlated (
r
= 0.98) with LW. The quadratic model showed a high predictive capacity for crossbred heifers kept in tropical conditions.</description><subject>Animals</subject><subject>Bayesian analysis</subject><subject>Beef</subject><subject>Biomedical and Life Sciences</subject><subject>Biometrics</subject><subject>Cattle</subject><subject>Correlation coefficient</subject><subject>Correlation coefficients</subject><subject>Criteria</subject><subject>Farms</subject><subject>Goodness of fit</subject><subject>Heart</subject><subject>Life Sciences</subject><subject>Livestock</subject><subject>Mathematical models</subject><subject>Performance prediction</subject><subject>Prediction models</subject><subject>Regular Articles</subject><subject>Root-mean-square errors</subject><subject>Veterinary Medicine/Veterinary Science</subject><subject>Weight</subject><subject>Zoology</subject><issn>0049-4747</issn><issn>1573-7438</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRsFb_gKcFL16isx_JJEcpaoWKFz0v-Zhtt6RJ3U0V_73bRhA8eJrDPM_LzMvYpYAbAYC3QQiZQgJSJqAkZgkesYlIUSWoVX7MJgC6SDRqPGVnIawBopZnEzZ_7htqAx96vvXUuHrgrfsg_kluuRq49f2Gr6j0A186P6y463jt-xCqCPOKyMats-TDOTuxZRvo4mdO2dvD_etsnixeHp9md4ukVqkcEiFVmVokKSUgUloWymZNpoWssloj1Q2CVZZQp7LOoEKLSlpZAKW5zkSupux6zN36_n1HYTAbF2pq27KjfheMRCEUYKaKiF79Qdf9znfxugMFhVLFnpIjdfjLkzVb7zal_zICzL5cM5ZrYrnmUK7BKKlRChHuluR_o_-xvgEec3qg</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Chico-Alcudia, Denis R.</creator><creator>Portillo-Salgado, Rodrigo</creator><creator>Camacho-Pérez, Enrique</creator><creator>Peralta-Torres, Jorge A.</creator><creator>Angeles-Hernandez, Juan C.</creator><creator>Muñoz-Benitez, Alfonso L.</creator><creator>Lendechy, 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to predict live weight from heart girth in crossbred beef heifers</title><author>Chico-Alcudia, Denis R. ; Portillo-Salgado, Rodrigo ; Camacho-Pérez, Enrique ; Peralta-Torres, Jorge A. ; Angeles-Hernandez, Juan C. ; Muñoz-Benitez, Alfonso L. ; Lendechy, Víctor Hugo Severino ; Gurgel, Antonio Leandro Chaves ; dos Santos Difante, Gelson ; Ítavo, Luís Carlos Vinhas ; Chay-Canul, Alfonso J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c352t-123a5f7e222077e5a93f6d6412b6c47ecd70f3fe7452c60b7f732f290e5846183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Animals</topic><topic>Bayesian analysis</topic><topic>Beef</topic><topic>Biomedical and Life Sciences</topic><topic>Biometrics</topic><topic>Cattle</topic><topic>Correlation coefficient</topic><topic>Correlation coefficients</topic><topic>Criteria</topic><topic>Farms</topic><topic>Goodness of fit</topic><topic>Heart</topic><topic>Life Sciences</topic><topic>Livestock</topic><topic>Mathematical models</topic><topic>Performance prediction</topic><topic>Prediction models</topic><topic>Regular Articles</topic><topic>Root-mean-square errors</topic><topic>Veterinary Medicine/Veterinary Science</topic><topic>Weight</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chico-Alcudia, Denis R.</creatorcontrib><creatorcontrib>Portillo-Salgado, Rodrigo</creatorcontrib><creatorcontrib>Camacho-Pérez, Enrique</creatorcontrib><creatorcontrib>Peralta-Torres, Jorge A.</creatorcontrib><creatorcontrib>Angeles-Hernandez, Juan C.</creatorcontrib><creatorcontrib>Muñoz-Benitez, Alfonso L.</creatorcontrib><creatorcontrib>Lendechy, Víctor Hugo Severino</creatorcontrib><creatorcontrib>Gurgel, Antonio Leandro Chaves</creatorcontrib><creatorcontrib>dos Santos Difante, Gelson</creatorcontrib><creatorcontrib>Ítavo, Luís Carlos 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Rodrigo</au><au>Camacho-Pérez, Enrique</au><au>Peralta-Torres, Jorge A.</au><au>Angeles-Hernandez, Juan C.</au><au>Muñoz-Benitez, Alfonso L.</au><au>Lendechy, Víctor Hugo Severino</au><au>Gurgel, Antonio Leandro Chaves</au><au>dos Santos Difante, Gelson</au><au>Ítavo, Luís Carlos Vinhas</au><au>Chay-Canul, Alfonso J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Models to predict live weight from heart girth in crossbred beef heifers</atitle><jtitle>Tropical animal health and production</jtitle><stitle>Trop Anim Health Prod</stitle><date>2022-10-01</date><risdate>2022</risdate><volume>54</volume><issue>5</issue><spage>275</spage><epage>275</epage><pages>275-275</pages><artnum>275</artnum><issn>0049-4747</issn><eissn>1573-7438</eissn><abstract>The objective of this study was to develop and evaluate linear, quadratic, and exponential mathematical models to predict live weight (LW) from heart girth (HG) in crossbred heifers raised in tropical humid conditions in Mexico. Live weight (363.32 ± 150.88 kg) and HG (166.83 ± 24.88 cm) were measured in 400 heifers aged between 3 and 24 months. Linear and non-linear regression was used to construct the prediction models. The goodness of fit of the models was evaluated using the Akaike information criterion (AIC), the Bayesian information criterion (BIC), coefficient of determination (
R
2
), mean squared error (MSE), and root MSE (RMSE). In addition, the developed models were evaluated through internal and external cross-validation (
k
-folds) using independent data. The ability of the fitted models to predict the observed values was evaluated based on the root mean square error of prediction (RMSEP),
R
2
, and mean absolute error (MAE). The correlation coefficient between LW and HG was
r
= 0.98 (
P
< 0.001). The quadratic model showed the lowest values of MAE (736.57), RMSEP (27.13), AIC (3783.95), and BIC (3799.91). Additionally, this model exhibited better goodness-of-fit values regarding external and internal validation criteria (higher
R
2
and lower RMSEP and MAE), thus having better predictive performance. The RMSE represented about 8% of the observed LW. Heart girth is highly correlated (
r
= 0.98) with LW. The quadratic model showed a high predictive capacity for crossbred heifers kept in tropical conditions.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s11250-022-03276-7</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-5911-369X</orcidid></addata></record> |
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subjects | Animals Bayesian analysis Beef Biomedical and Life Sciences Biometrics Cattle Correlation coefficient Correlation coefficients Criteria Farms Goodness of fit Heart Life Sciences Livestock Mathematical models Performance prediction Prediction models Regular Articles Root-mean-square errors Veterinary Medicine/Veterinary Science Weight Zoology |
title | Models to predict live weight from heart girth in crossbred beef heifers |
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