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Relationship between body weight and hip width in dairy buffaloes (Bubalus bubalis)

Published online by Cambridge University Press:  30 May 2024

Alvar Alonzo Cruz-Tamayo
Affiliation:
Facultad de Ciencias Agropecuarias, Universidad Autónoma de Campeche, Escárcega, Campeche, México
Marco Antonio Ramírez-Bautista
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Chiná, Chiná, Campeche, México
Daniel Mota-Rojas
Affiliation:
Neurophysiology, Behavior, and Animal Welfare Assessment, Department of Animal Production and Agriculture, Universidad Autónoma Metropolitana, Xochimilco Campus, Mexico, Mexico
José Carlos Escobar-España
Affiliation:
Facultad de Ciencias Agrícolas Campus IV, Universidad Autónoma de Chiapas, entronque Huehuetán, Chiapas, México
Ricardo García-Herrera
Affiliation:
División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Villahermosa, Tabasco, México
Antonio Leandro Chaves Gurgel
Affiliation:
Campus Professora Cinobelina Elvas, Universidade Federal do Piauí, Bom Jesus, PI, Brasil
Tairon Pannunzio Dias-Silva
Affiliation:
Campus Professora Cinobelina Elvas, Universidade Federal do Piauí, Bom Jesus, PI, Brasil
Marcos Jácome de Araújo
Affiliation:
Campus Professora Cinobelina Elvas, Universidade Federal do Piauí, Bom Jesus, PI, Brasil
Juliana Caroline Santos Santana
Affiliation:
Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil
Isadora Osorio Maciel Aguiar
Affiliation:
Campus Professora Cinobelina Elvas, Universidade Federal do Piauí, Bom Jesus, PI, Brasil
Luís Carlos Vinhas Ítavo
Affiliation:
Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil
Alfonso Juventino Chay-Canul*
Affiliation:
División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Villahermosa, Tabasco, México
*
Corresponding author: Alfonso Juventino Chay Canul; Email: alfonso.chay@ujat.mx

Abstract

The objective of the present study was to evaluate the relationship between body weight (BW) and hip width (HW) in dairy buffaloes (Bubalus bubalis). HW was measured in 215 Murrah buffaloes with a BW of 341 ± 161.6 kg, aged between three months and five years, and raised in southeastern Mexico. Linear and non-linear regressions were used to construct the prediction models. The goodness of fit of the models was evaluated using the Akaike information criterion (AIC), Bayesian information criterion (BIC), coefficient of determination (R2), mean squared error (MSE), and root MSE (RMSE). Additionally, 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 assessed based on the root mean square error of prediction (RMSEP), R2, and mean absolute error (MAE). The relationship between BW and HW showed a high correlation coefficient (r = 0.96, P < 0.001). The chosen fitted model to predict BW was: −176.33 (± 40.83***) + 8.74 (± 1.79***) × HW + 0.04 (± 0.01*) × HW2, because it presented the lowest MSE, RMSE, and AIC values, which were 1228.64, 35.05 and 1532.41, respectively. Therefore, with reasonable accuracy, the quadratic model using hip width may be suitable for predicting body weight in buffaloes.

Information

Type
Research Article
Copyright
Copyright © The Author(s), 2024. Published by Cambridge University Press on behalf of Hannah Dairy Research Foundation

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