EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES
Background. For the development of reproductive, nutritional and health programmes, estimation of animal body weight (BW) is a fundamental tool in herd management. Objective. To evaluate of the reliability and concordance of visual weight assessment in water buffalo females. Methodology. Data on vis...
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| Format: | Article |
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Universidad Autónoma de Yucatán
2024-03-01
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| Series: | Tropical and Subtropical Agroecosystems |
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| Online Access: | https://www.revista.ccba.uady.mx/ojs/index.php/TSA/article/view/5194 |
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| author | Jesús Ignacio Vázquez-Bolaina Rosario E. Salazar-Cuytun Alvar Alonzo Cruz-Tamayo Roberto C. Barrientos-Medina José Carlos Escobar-España Ricardo A. Garcia-Herrera Alfonso Juventino Chay-Canul |
| author_facet | Jesús Ignacio Vázquez-Bolaina Rosario E. Salazar-Cuytun Alvar Alonzo Cruz-Tamayo Roberto C. Barrientos-Medina José Carlos Escobar-España Ricardo A. Garcia-Herrera Alfonso Juventino Chay-Canul |
| author_sort | Jesús Ignacio Vázquez-Bolaina |
| collection | DOAJ |
| description | Background. For the development of reproductive, nutritional and health programmes, estimation of animal body weight (BW) is a fundamental tool in herd management. Objective. To evaluate of the reliability and concordance of visual weight assessment in water buffalo females. Methodology. Data on visually estimated body weight (VM) and actual body weight (BW) were recorded for 229 female water buffaloes. BW was recorded using a digital scale and visual estimation BW was taken as the average of three observations made by three observers. The measurements obtained by each of the different estimation methods were also compared with the observed weights by inspecting the paired Bland-Altman plots prior to logarithmic transformation. Results. Correlations between observed BW and mean predicted BW for visual methods showed a positive and significant relationship (P<0.001), with an r value of 0.95. According to the intraclass correlation coefficient (ICC), there was a high degree of reliability in the visual estimates of buffalo weight, due to the similarity in the mean and dispersion of each observer's estimates. Both the Bland-Altman plot and the ICC show that there is a high level of concordance between the buffalo weights obtained by the visual and real methods. Implications. The result of the present study showed that visual assessment highlights the ability of livestock handlers to have a very accurate estimation of BW in female water buffaloes. Conclusion. The results of this study show that visual assessment highlights the ability of livestock handlers to visually estimate BW in female water buffaloes with high reliability and concordance with the animal weighbridge method. |
| format | Article |
| id | doaj-art-1341f4c2df3e4e339e961bc054ecc89b |
| institution | OA Journals |
| issn | 1870-0462 |
| language | English |
| publishDate | 2024-03-01 |
| publisher | Universidad Autónoma de Yucatán |
| record_format | Article |
| series | Tropical and Subtropical Agroecosystems |
| spelling | doaj-art-1341f4c2df3e4e339e961bc054ecc89b2025-08-20T02:12:45ZengUniversidad Autónoma de YucatánTropical and Subtropical Agroecosystems1870-04622024-03-0127210.56369/tsaes.51941612EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALESJesús Ignacio Vázquez-Bolaina0Rosario E. Salazar-Cuytun1Alvar Alonzo Cruz-Tamayo2Roberto C. Barrientos-Medina3José Carlos Escobar-España4Ricardo A. Garcia-HerreraAlfonso Juventino Chay-Canul5Universidad Juárez Autónoma de Tabasco, División Académica de Ciencias Agropecuarias, Carretera Villahermosa-Teapa, km 25, R/A. La Huasteca 2ª Sección, Centro, Tabasco, México. C.P. 86280Universidad Juárez Autónoma de Tabasco, Divisió adémica de Ciencias Agropecuarias, Carretera Villahermosa-Teapa, km 25, R/A. La Huasteca 2ª Sección, Centro, Tabasco, México. C.P. 86280. Email: ricardo.garcia@ujat.mxFacultad de Ciencias Agropecuarias, Universidad Autónoma de Campeche, Escárcega, Campeche, México. C.P. 24350.Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, km 15.5 carretera Mérida-Xmatkuil, Mérida, Yucatán, México. C. P. 97135.Facultad de Ciencias Agrícolas Campus IV, Universidad Autónoma de Chiapas, entronque Huehuetán, Chiapas, México. C.P. 30660Division Academica de Ciencias Agropecuarias, Universidad Juarez Autonoma de TabascoBackground. For the development of reproductive, nutritional and health programmes, estimation of animal body weight (BW) is a fundamental tool in herd management. Objective. To evaluate of the reliability and concordance of visual weight assessment in water buffalo females. Methodology. Data on visually estimated body weight (VM) and actual body weight (BW) were recorded for 229 female water buffaloes. BW was recorded using a digital scale and visual estimation BW was taken as the average of three observations made by three observers. The measurements obtained by each of the different estimation methods were also compared with the observed weights by inspecting the paired Bland-Altman plots prior to logarithmic transformation. Results. Correlations between observed BW and mean predicted BW for visual methods showed a positive and significant relationship (P<0.001), with an r value of 0.95. According to the intraclass correlation coefficient (ICC), there was a high degree of reliability in the visual estimates of buffalo weight, due to the similarity in the mean and dispersion of each observer's estimates. Both the Bland-Altman plot and the ICC show that there is a high level of concordance between the buffalo weights obtained by the visual and real methods. Implications. The result of the present study showed that visual assessment highlights the ability of livestock handlers to have a very accurate estimation of BW in female water buffaloes. Conclusion. The results of this study show that visual assessment highlights the ability of livestock handlers to visually estimate BW in female water buffaloes with high reliability and concordance with the animal weighbridge method.https://www.revista.ccba.uady.mx/ojs/index.php/TSA/article/view/5194water buffalolive weightanimal productionaccuracy. |
| spellingShingle | Jesús Ignacio Vázquez-Bolaina Rosario E. Salazar-Cuytun Alvar Alonzo Cruz-Tamayo Roberto C. Barrientos-Medina José Carlos Escobar-España Ricardo A. Garcia-Herrera Alfonso Juventino Chay-Canul EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES Tropical and Subtropical Agroecosystems water buffalo live weight animal production accuracy. |
| title | EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES |
| title_full | EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES |
| title_fullStr | EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES |
| title_full_unstemmed | EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES |
| title_short | EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES |
| title_sort | evaluation of the reliability and concordance of visual weight assessment in water buffalo females |
| topic | water buffalo live weight animal production accuracy. |
| url | https://www.revista.ccba.uady.mx/ojs/index.php/TSA/article/view/5194 |
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