Textile characteristics and fibre length at dehairing on vicuña fleece

Authors

  • Rubén Pinares Universidad Nacional de San Antonio Abad del Cusco, Escuela Profesional de Medicina Veterinaria, Sicuani, Peru https://orcid.org/0000-0002-9033-7736
  • Franklin Lozano Universidad Nacional Micaela Bastidas de Apurímac, Facultad de Ingeniería, Abancay, Peru https://orcid.org/0000-0003-2004-9226
  • Virgilio Machaca Universidad Nacional Micaela Bastidas de Apurímac, Facultad de Medicina Veterinaria y Zootecnia, Abancay, Peru https://orcid.org/0000-0002-5494-6024

DOI:

https://doi.org/10.15381/rivep.v35i1.27377

Keywords:

manual dehairing, fibre dehaired, guard hair, medullation, spinning fineness

Abstract

The aim of this research was to determine the variation of textile characteristics and fibre length when manually dehairing vicuña fleece, as well as to evaluate the influence of sex, age, fleece sampling site, and place of origin of the vicuña on fibre quality characteristics. Manual dehairing was carried out on 77 samples of vicuñas from three provinces of the department of Apurímac, Peru. The textile characteristics of the fibre before and after dehairing were determined using OFDA 2000 device and evaluated by analysis of variance, t test and Tukey (α=0.05). The quality of dehaired fibres is superior to the non-dehaired fibre, due to the reduction of mean fibre diameter (MFD) (-1.68 μm), standard deviation of FMD (SD) (-0.73) and spinning fineness (SF) (-1.27 μm) and the increase in the percentage of fibres <30 µm (CF) (1.12%) and the mean curvature (CU) (6.75 °/mm). In dehaired fibre, juveniles have a finer MFD (12.24 μm) than adults (13.01 μm), the MFD of the middle side is finer (12.39 μm) compared to the shoulder (12.81 μm) and rump (12.77 μm). Likewise, variation in textile characteristics (SD, CV, CF, and CU) and fibre length was found among the fleeces from the three provinces of Apurímac. In conclusion, manual dehairing reduces the mean fibre diameter and its standard deviation and increases the mean curvature and fibre comfort, improving the quality and uniformity properties of the yarn.

Downloads

Download data is not yet available.

Downloads

Published

2024-02-29

Issue

Section

Artículos Primarios

How to Cite

Pinares, R., Lozano, F., & Machaca, V. (2024). Textile characteristics and fibre length at dehairing on vicuña fleece. Revista De Investigaciones Veterinarias Del Perú, 35(1), e27377. https://doi.org/10.15381/rivep.v35i1.27377