<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Sex assessment plays an important role in rabbit production, but it can be very difficult to determine, especially in the young ones. In this study, canonical discriminant analysis was used to determine which of the morphological traits are the most effective in sex determination in rabbits. Data were taken on 160 rabbits and used for this study on body weight (BWG), body length (BDL), ear length (EAL), heart girth (HTG), and abdominal circumference (ABC). The results from the univariate analysis show manifestation of sexual dimorphism with higher values observed in females for all the morphometric measurements. The canonical discriminant analysis revealed that ABC was the most significant morphological trait as a discriminating variable between the sexes in rabbits. The discriminant function, D = – 8.673 + 1.865 BWG + 0.013 BDL + 0.291 EAL – 0.318 HTG + 0.463 ABC, obtained correctly classified 72.5% of individuals of rabbits. In conclusion, the abdominal circumference of the rabbits in a population could be an important tool for the conservation and improvement of the rabbits’ population.</p></abstract>

Sex assessment plays an important role in rabbit production, but it can be very difficult to determine, especially in the young ones. In this study, canonical discriminant analysis was used to determine which of the morphological traits are the most effective in sex determination in rabbits. Data were taken on 160 rabbits and used for this study on body weight (BWG), body length (BDL), ear length (EAL), heart girth (HTG), and abdominal circumference (ABC). The results from the univariate analysis show manifestation of sexual dimorphism with higher values observed in females for all the morphometric measurements. The canonical discriminant analysis revealed that ABC was the most significant morphological trait as a discriminating variable between the sexes in rabbits. The discriminant function, D = – 8.673 + 1.865 BWG + 0.013 BDL + 0.291 EAL – 0.318 HTG + 0.463 ABC, obtained correctly classified 72.5% of individuals of rabbits. In conclusion, the abdominal circumference of the rabbits in a population could be an important tool for the conservation and improvement of the rabbits’ population.

Use of discriminant analysis method to identify sex by morphological traits in adult rabbits in Nigeria

Department of Animal Science, Faculty of Agriculture and Agricultural Technology

Department of Crop Production and Protection, Faculty of Agriculture and Agricultural Technology

Agricultura Tropica et Subtropica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Sex assessment plays an important role in rabbit production, but it can be very difficult to determine, especially in the young ones. In this study, canonical...

Use of discriminant analysis method to identify sex by morphological traits in adult rabbits in Nigeria

Publié en ligne: 17 déc. 2020

Pages: 183 - 186

Reçu: 28 avr. 2020

Accepté: 27 nov. 2020

DOI: https://doi.org/10.2478/ats-2020-0018

Mots clés
Discriminant analysis, morphological traits, abdominal circumference, rabbits, sexes

© 2020 Emmanuel Abayomi Rotimi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Use of discriminant analysis method to identify sex by morphological traits in adult rabbits in Nigeria

Publié en ligne: 17 déc. 2020

Pages: 183 - 186

Reçu: 28 avr. 2020

Accepté: 27 nov. 2020

DOI: https://doi.org/10.2478/ats-2020-0018

Mots clésDiscriminant analysis, morphological traits, abdominal circumference, rabbits, sexes

© 2020 Emmanuel Abayomi Rotimi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
Discriminant analysis, morphological traits, abdominal circumference, rabbits, sexes