Development and Body Composition of Quarter Horse Foals during Nursing

Monica Miranda Hunka; Helena Emília Cavalcanti da Costa Cordeiro Manso; Ramona Bastos Bernardo; Elizabeth Regina Rodrigues da Silva; Lúcia Maia Cavalcante Ferreira; Hélio Cordeiro Manso Filho

doi:10.4236/ojvm.2014.411033

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OJVM> Vol.4 No.11, November 2014

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Development and Body Composition of Quarter Horse Foals during Nursing

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DOI: 10.4236/ojvm.2014.411033 3,894 Downloads 4,425 Views Citations

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Monica Miranda Hunka, Helena Emília Cavalcanti da Costa Cordeiro Manso, Ramona Bastos Bernardo, Elizabeth Regina Rodrigues da Silva, Lúcia Maia Cavalcante Ferreira, Hélio Cordeiro Manso Filho^*

Affiliation(s)

Núcleo de Pesquisa Equina, Departamento de Zootecnia, Universidade Federal Rural de Pernambuco, Recife, Brazil.

ABSTRACT

The monitoring and development of foals, based on biometric indices, and the determination of body composition could be important for genetic improvement and the elaboration of nutritional plans for horses. Considering that little information was available, the aim of the present study was to assess the growth and determine the body composition of suckling Quarter Horse foals. Animals (n = 46) of both sexes were monitored monthly from birth until the fifth month of age, using an ultrasound device and the following measurements: Wither Height (WH); Chest Perimeter (CP); Cannon Bone Circumference (CBC) Cannon Bone Girth (CG); Body Mass (BM); and Rump Fat Thickness (RFT). These tests determined the Fat-Free Mass (FFM), BM, Fat Percentage (FP) and Fat Thickness (FT). The data were analyzed using ANOVA and Tukey’s test, with differences considered statistically significant when P ≤ 0.05. The results demonstrated that the parameters analyzed changed significantly during the study period. The BM was ~41 at birth and ~177 kg at the point of weaning. Conversely, the FM was ~3.8 at birth and 18.1 kg at the point of weaning. The FFM was ~37 and ~160 kg at the time of birth and weaning, respectively. The FP varied from 9.3 at birth to 9.54 at weaning. The mean FT was ~1.39 and ~1.91 cm at birth and weaning, respectively. The WH measured ~91 at birth and 116 cm at weaning. In conclusion, suckling foals gain BM quickly from the time of birth to the time of weaning. The main cause of this gain is FFM. Therefore, due to the significant changes in the parameters studied herein, it is important to monitor these values in order to prevent nutritional imbalances.

KEYWORDS

Body Mass, Fat-Free Mass, Fat Percentage, Horse, Ultrasound

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Hunka, M. , Cordeiro Manso, H. , Bernardo, R. , da Silva, E. , Ferreira, L. and Manso Filho, H. (2014) Development and Body Composition of Quarter Horse Foals during Nursing. Open Journal of Veterinary Medicine, 4, 276-280. doi: 10.4236/ojvm.2014.411033.

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