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. 2024 Jun 22;11(2):494-502.
doi: 10.5455/javar.2024.k799. eCollection 2024 Jun.

Phaneroptic characterization and zoometric indices of Creole goats in the Ayacucho Region, Peru: First step for breeding programs, selection, and conservation

Walter Palomino-Guerrera  1 , Yeferson Laimes Estrada  1   2 , David Godoy Padilla  1 , Juancarlos Cruz Luis  1 , Fritz Trillo Zárate  1
Affiliations

Phaneroptic characterization and zoometric indices of Creole goats in the Ayacucho Region, Peru: First step for breeding programs, selection, and conservation

Walter Palomino-Guerrera et al. J Adv Vet Anim Res. .

Abstract

Objective: The purpose of this study is to evaluate the phenotypic characteristics and typification of Creole goats in five localities of the Ayacucho region in south-central Peru.

Materials and methods: Data from 149 goats (25 males and 124 females) were collected, excluding animals under 2 years of age, pregnant, and sick. Seven qualitative characteristics and 11 zometric measurements were evaluated, and then 9 zometric indices were estimated.

Results: In the region, goats with composite colors predominated (76.50%). Additionally, supernumerary (24.20%) and divergent teats (22.60%) were observed in females, while males exhibited a scrotal bifurcation (32.00%). The origin of the flock had a significant effect (p < 0.05) on body measurements, as well as on pelvic index, transverse pelvic index, longitudinal pelvic index, compactness index, and load cannon bone index, except for body index (BOI), proportionality index, dactyl thorax index (DTI), and relative cannon bone thickness index (<p > 0.05). In the Ayacucho region, there is a predominance of light animals (57.72%) with a significant DTI (<p < 0.05) among the populations, including goats with good balance and capable of walking long distances. Furthermore, there are compact animals (47.65%) with a significant BOI (<p < 0.05) among the flock populations, which animals are of the biotype of meat. Conversely, the strongest positive correlation (<r = 0.89) was discovered between chest girth and body weight.

Conclusion: In the Ayacucho region, there are various creole goat biotypes range from light to very compact heavy goats, with a predominance of meat biotype animals, as well as a marked size dimorphism between localities of origin.

Keywords: Creole goats; phaneroptics; typology; zoometric indices; zoometric measurements.

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Conflict of interest statement

The authors declare that they have no conflict of interest.

Figures

Figure 1.
Figure 1.. Map of the Ayacucho region showing goat sampling zones.
Figure 2.
Figure 2.. Left: breeding male; right: breeding female, biotype from the Ayacucho Region, Peru.
Figure 3.
Figure 3.. Phaneroptic traits of creole goats from five districts in the Ayacucho Region, Peru.
Figure 4.
Figure 4.. Correlations between zoometric measurements of Creole goats from five districts in the Ayacucho region, Peru. BW: body weight, WH: wither height; CW: chest width; RL: rump length; RW: rump height; RW: rump width; BL: body length; CBP: cannon bone perimeter; PG: paunch girth; CG: chest girth BOD: body depth; (***p ≤ 0.001).
See this image and copyright information in PMC

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