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Soini, P. (1992) Evaluación preliminar de la vaca marina (Trichechus inunguis). RN Pacaya-Samiria: Estacionbiologica 1979-1994, 35, 369-372.

has been cited by the following article:

  • TITLE: Prediction Equation of Body Weight of Amazonian Manatee (Trichechus inunguis) Calves in Captivity Using Biometry

    AUTHORS: Pierina Mendoza, Darwin Loja, Rony Riveros, Carlos Vilchez

    KEYWORDS: Amazonian Manatee (Trichechus inunguis), Biometric Measurements, Body Weight, Weight Prediction, Correlation

    JOURNAL NAME: Natural Science, Vol.9 No.5, May 26, 2017

    ABSTRACT: The objective of the study was to determine a prediction equation of body weight of Amazonian manatee calves in captivity using their biometry. It was conducted out with 7 calves (4 males and 3 females) of approximately 8 months of age and average body weight of 29.94 ± 0.055 kg, arranged in pools of sufficient size. Biometry and weighing were performed periodically, with the following measurements: body weight (BW), total curved length (TCL), total length (TL), circumference (CIR), fin width (FW), tail width (TW) and peduncle (PED). Data were subjected to Pearson correlation analysis and linear regression, using the statistical software IBM SPSS 24.0. The results showed a significant correlation (P R2 = 0.855, R2aj = 0.852). In addition, three linear multiple regression equations of BW were calculated using the predictor variables previously analyzed by Person correlation analysis. The equation that used all biometric measurements (TCL, TL, FW, TW, CIR and PED) had the highest coefficient of determination and the lowest estimation error to predict BW. In conclusion, the biometric measurements of TCL, TL, FW, TW, CIR and PED showed a high correlation with the BW and can be used as predictive variables of BW of manatee calves, as they are easy to be measured.