Morphometric characterization and decision tree–based prediction of phenotypic traits in Pantaneiro sheep
Agda Costa Valério, Tatiane Fernandes, Adrielly Lais Alves da Silva, Renata Alves Chagas, Ariadne Patrícia Leonardo, Marcio Rodrigues de Souza, Núbia Michelle Vieira da Silva, Fernando Miranda de Vargas Junior · 2026
Read Morphometric characterization and decision tree–based prediction of phenotypic traits in Pantaneiro sheep by Agda Costa Valério, Tatiane Fernandes, Adrielly Lais Alves da Silva, Renata Alves Chagas, Ariadne Patrícia Leonardo, Marcio Rodrigues de Souza, Núbia Michelle Vieira da Silva, Fernando Miranda de Vargas Junior (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13219216.txt.
Description
Agda Costa Valério and colleagues describe the body measurements of Pantaneiro sheep and build simple trees for their visible traits in a 2026 study. The Pantaneiro is an adapted breed shaped by the Brazilian Pantanal's flooding, heat, and forage, and conserving it needs clear, field-friendly ways to describe the animals. Lab phenotyping will never reach remote floodplain farms.
The team measured twenty-three quantitative and ten qualitative traits in 211 ewes kept under semi-extensive grazing. Multivariate analysis distilled the measurements into four dimensions of body capacity, limb robustness, and head shape, together explaining about two thirds of the variation. Decision tree models predicted qualitative traits from a few tape measurements. Three traits, head profile, muzzle type, and wool colour, were predicted with accuracy above eighty percent, with leg circumferences doing the work. The authors present the approach as a cheap phenotyping kit for managing and conserving the floodplain breed.
Catalog record
| CREATOR | Agda Costa Valério, Tatiane Fernandes, Adrielly Lais Alves da Silva, Renata Alves Chagas, Ariadne Patrícia Leonardo, Marcio Rodrigues de Souza, Núbia Michelle Vieira da Silva, Fernando Miranda de Vargas Junior |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 34 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |