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Morphometric Evaluation of Phenotypic Groups of Creole Cattle of Southern Ecuador

Facultad Agropecuaria, Carrera de Medicina Veterinaria y Zootecnia, Universidad Nacional de Loja-Ecuador, Loja 110103, Ecuador
Author to whom correspondence should be addressed.
Diversity 2019, 11(12), 221;
Received: 12 July 2019 / Revised: 25 September 2019 / Accepted: 30 September 2019 / Published: 20 November 2019
(This article belongs to the Special Issue Conservation of Rare Breeds of Livestock)
The breeding of creole cattle from the southern region of Ecuador, also known as Criollo Lojano, is a source of economic support and work for the communities located in the remote areas of the Andes mountains in this region. These cattle are grouped into four biotypes based on their phenotypic characteristics: Negro Lojano, Encerado, Colorado, and Cajamarca or Pintado. This study analyzes the morphometric variability of these creole cattle using least squares means (LSM) and restricted maximum likelihood Restricted Maximum Likelihood (REML) variance components. The evaluation parameters used to characterize these cattle were live weight plus 15 morphometric characteristics and nine morphometric indexes. The measurements came from 151 adult animals (28 male and 123 females). With the exception of Height at Withers (P = 0.06), the other morphometric characteristics do not show significant difference among these creole biotypes. Sexual dimorphism was found in live weight, thoracic circumference, height at withers, chest width, length of thorax, length of body, depth of thorax, depth of abdomen, length of head, and length of horns (P < 0.05). The adult Creole Lojano has an average live weight of 288 ± 12.9 kg (mean ± standard error), The Cephalic index is 45.6, the Corporal index is 115.9, the Pelvic index is 90.5, the Thoracic index is 58.3, the Proportionality index is 62.6, the Thoracic Capacity index is 2.1, the Lower Leg–Thoracic index is 9.9, the Transverse Pelvic index is 34.7, and the Pelvic Length index is 38.4. This creole bovine breed presents 4 biotypes that are similar; there are differences in the analysis with respect to sex (males are higher in 10 of the 16 characteristics analyzed); and on the basis of the indexes, this animal is small, has a triangular head, is longilinear with a long and narrow hip. It is a dual-purpose milk type with the exception of the Colorado biotype which is a dual purpose meat type. View Full-Text
Keywords: morphometric; index; coat color; creole bovine; Southern Ecuador morphometric; index; coat color; creole bovine; Southern Ecuador
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MDPI and ACS Style

Aguirre-Riofrio, E.L.; Abad-Guamán, R.M.; Uchuari-Pauta, M.d.L. Morphometric Evaluation of Phenotypic Groups of Creole Cattle of Southern Ecuador. Diversity 2019, 11, 221.

AMA Style

Aguirre-Riofrio EL, Abad-Guamán RM, Uchuari-Pauta MdL. Morphometric Evaluation of Phenotypic Groups of Creole Cattle of Southern Ecuador. Diversity. 2019; 11(12):221.

Chicago/Turabian Style

Aguirre-Riofrio, Edgar L., Rodrigo M. Abad-Guamán, and Melania d.L. Uchuari-Pauta. 2019. "Morphometric Evaluation of Phenotypic Groups of Creole Cattle of Southern Ecuador" Diversity 11, no. 12: 221.

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