Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia

Abstract. Ibrahim A, Artama WT, Budisatria IGS, Yuniawan R, Atmoko BA, Widayanti R. 2021. Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia. Biodiversitas 22: 2723-2730. Bodyweight is an important aspect of livest...

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Autores principales:	Alek Ibrahim, Wayan Tunas Artama, I Gede Suparta Budisatria, Ridwan Yuniawan, Bayu Andri Atmoko, Rini Widayanti
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2021
Materias:	batur sheep body size linear regression phenotypic characteristics prediction model Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/3f780de6de7a4adb8960337e256fce28
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spelling	oai:doaj.org-article:3f780de6de7a4adb8960337e256fce282021-11-22T12:16:56ZRegression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia1412-033X2085-472210.13057/biodiv/d220721https://doaj.org/article/3f780de6de7a4adb8960337e256fce282021-06-01T00:00:00Zhttps://smujo.id/biodiv/article/view/8459https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Abstract. Ibrahim A, Artama WT, Budisatria IGS, Yuniawan R, Atmoko BA, Widayanti R. 2021. Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia. Biodiversitas 22: 2723-2730. Bodyweight is an important aspect of livestock management. The present study was undertaken to estimate correlation coefficients between biometric traits and identify best predictor of body weight in female Batur sheep from body measurements. Data on body weight and body measurements (body length: BL, chest girth: CG and withers height: WH) were collected from 73 female Batur sheep in Batur Village, Banjarnegara District, Central Java Province, Indonesia. Batur sheep were grouped into 3 categories based on their age, namely groups <1.5 years, 1.5-2.5 years and >2.5 years. The data were analyzed using simple, multiple, and automatic linear regression methods using the SPSS computer software version 25 platform. The correlation coefficient, coefficient determination, adjusted coefficient determination, residual standard error, Akaike information criterion, Bayesian information criterion, and Akaike information criterion corrected were used to determine the best regression formula for the prediction of BW. The average BW (kg), BL (cm), CG (cm), and WH (cm) of 49.27, 63.11, 91.41, and 56.82, respectively was observed in the present study. The correlation coefficients of 0.433, 0.866, and 0.369 for BW with BL, CG, and WH were observed in the present study. The best prediction of BW using two predictors (BL and GC) was BW =-56.522 + 0.509BL + 0.843CG, followed by using three predictors (BL, CG, and WH) was BW =-57.897+ 0.505BL + 0.839CG + 0.034WH, and using the only one predictor (CG) was BW =-28.443 + 0.905CG. The study revealed that CG and its combination with other linear body measurements can effectively define the body weight in Batur sheep. However, the highest R2 of 0.782 was observed when CG and BL were used as predictors.Alek IbrahimWayan Tunas ArtamaI Gede Suparta BudisatriaRidwan YuniawanBayu Andri AtmokoRini WidayantiMBI & UNS Soloarticlebatur sheepbody sizelinear regressionphenotypic characteristicsprediction modelBiology (General)QH301-705.5ENBiodiversitas, Vol 22, Iss 7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	batur sheep body size linear regression phenotypic characteristics prediction model Biology (General) QH301-705.5
spellingShingle	batur sheep body size linear regression phenotypic characteristics prediction model Biology (General) QH301-705.5 Alek Ibrahim Wayan Tunas Artama I Gede Suparta Budisatria Ridwan Yuniawan Bayu Andri Atmoko Rini Widayanti Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia
description	Abstract. Ibrahim A, Artama WT, Budisatria IGS, Yuniawan R, Atmoko BA, Widayanti R. 2021. Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia. Biodiversitas 22: 2723-2730. Bodyweight is an important aspect of livestock management. The present study was undertaken to estimate correlation coefficients between biometric traits and identify best predictor of body weight in female Batur sheep from body measurements. Data on body weight and body measurements (body length: BL, chest girth: CG and withers height: WH) were collected from 73 female Batur sheep in Batur Village, Banjarnegara District, Central Java Province, Indonesia. Batur sheep were grouped into 3 categories based on their age, namely groups <1.5 years, 1.5-2.5 years and >2.5 years. The data were analyzed using simple, multiple, and automatic linear regression methods using the SPSS computer software version 25 platform. The correlation coefficient, coefficient determination, adjusted coefficient determination, residual standard error, Akaike information criterion, Bayesian information criterion, and Akaike information criterion corrected were used to determine the best regression formula for the prediction of BW. The average BW (kg), BL (cm), CG (cm), and WH (cm) of 49.27, 63.11, 91.41, and 56.82, respectively was observed in the present study. The correlation coefficients of 0.433, 0.866, and 0.369 for BW with BL, CG, and WH were observed in the present study. The best prediction of BW using two predictors (BL and GC) was BW =-56.522 + 0.509BL + 0.843CG, followed by using three predictors (BL, CG, and WH) was BW =-57.897+ 0.505BL + 0.839CG + 0.034WH, and using the only one predictor (CG) was BW =-28.443 + 0.905CG. The study revealed that CG and its combination with other linear body measurements can effectively define the body weight in Batur sheep. However, the highest R2 of 0.782 was observed when CG and BL were used as predictors.
format	article
author	Alek Ibrahim Wayan Tunas Artama I Gede Suparta Budisatria Ridwan Yuniawan Bayu Andri Atmoko Rini Widayanti
author_facet	Alek Ibrahim Wayan Tunas Artama I Gede Suparta Budisatria Ridwan Yuniawan Bayu Andri Atmoko Rini Widayanti
author_sort	Alek Ibrahim
title	Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia
title_short	Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia
title_full	Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia
title_fullStr	Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia
title_full_unstemmed	Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia
title_sort	regression model analysis for prediction of body weight from body measurements in female batur sheep of banjarnegara district, indonesia
publisher	MBI & UNS Solo
publishDate	2021
url	https://doaj.org/article/3f780de6de7a4adb8960337e256fce28
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Regression model analysis for prediction of body weight from body measurements in female Batur sheep of Banjarnegara District, Indonesia

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