Relationship between body mass index and body condition score in Pelibuey ewes

• Autores: Rosario Salazar Cuytun, Alfonso Chay Canul, Martin Ptáček, Ricardo García Herrera, Flor de Maria Rivera Alegria, Armando Jacinto Aguilar Caballero, Luis Sarmiento Franco
• Localización: Ecosistemas y Recursos Agropecuarios, ISSN-e 2007-901X, ISSN 2007-9028, Vol. 7, Nº. 2, 2020
• Idioma: inglés
• DOI: 10.19136/era.a7n2.2474
• Títulos paralelos:
  • Relación entre el índice de masa corporal y condición corporal en ovejas Pelibuey
• Enlaces
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• Dialnet Métricas: 1 Cita
• Resumen
  • español

    Resumen El objetivo de este estudio fue evaluar la relación entre el índice de masa corporal (IMC) y la condición corporal (CC) en ovejas Pelibuey y predecir el IMC según una estimación conocida de la CC. El peso corporal (PV), la altura de la cruz, (AC), la longitud del cuerpo (LC) y la CC se determinaron en 402 ovejas. Las relaciones se estimaron mediante modelos de regresión. El IMC y la CC mostraron una alta relación (r = 0.80, p < 0.001). La regresión lineal para la predicción del IMC fue la siguiente: IMC (kg m-2) = 8.38 (± 0.189 ***) + 1.70 (± 0.064 ***) xCC(R 2 = 0.65, MSE: 2.56, RMSE: 1.60, p <.0001 y n = 402). El IMC podría usarse como un indicador del grado de obesidad y de las reservas corporales de grasa en ovejas Pelibuey no gestantes y no lactantes en condiciones de campo.

  • English

    Abstract The objective of the current study was to relate body mass index (BMI) and body condition score (BCS) in Pelibuey ewes in order to predict BMI based on a well-known method for estimating BCS. Body weight (BW), withers height (WH), body length (BL) and BCS were measured in 402 ewes. The relationships were investigated by regression models. The BMI and BCS had a strong relationship (r = 0.80, p < 0.001). The linear regression for predicting BMI from BCS was as follows: BMI (kg m-2) = 8.38 (± 0.189***) + 1.70 (± 0.064***) xBCS(R 2 = 0.65, MSE: 2.56, RMSE: 1.60, p < 0.0001 and n = 402). In conclusion, BMI can be used as an indicator of the degree of obesity and body fat reserves in non-pregnant and non-lactating Pelibuey ewes under field conditions.

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