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Biometry of the skull of wild and farm long-tailed chinchilla (chinchilla laniger, molina, 1782) / Biometría del cráneo de la chinchilla de cola larga (chinchilla laniger, molina, 1782) salvaje y de granja
Baranowski, Piotr; Wróblewska, Magdalena; Nowak, Piotr; Pezinska, Katarzyna.
  • Baranowski, Piotr; Western Pomeranian University of Technology in Szczecin. Faculty of Biotechnology and Animal Husbandry. Department of Animal Anatomy. Szczecin. PL
  • Wróblewska, Magdalena; Western Pomeranian University of Technology in Szczecin. Faculty of Biotechnology and Animal Husbandry. Department of Animal Anatomy. Szczecin. PL
  • Nowak, Piotr; Western Pomeranian University of Technology in Szczecin. Faculty of Biotechnology and Animal Husbandry. Department of Animal Anatomy. Szczecin. PL
  • Pezinska, Katarzyna; Western Pomeranian University of Technology in Szczecin. Faculty of Biotechnology and Animal Husbandry. Department of Animal Anatomy. Szczecin. PL
Int. j. morphol ; 31(3): 1003-1011, set. 2013. ilus
Article in English | LILACS | ID: lil-694993
ABSTRACT
This study aimed at presenting the values of 47 metric traits and 20 cranial indices of the skull of 291 mature farm chinchillas and comparing these data with those being determined on 32 chinchilla skull specimens from the Natural History Museum in London. Measurements of the viscerocranium, neurocranium and mandible parameters were taken. No normal distribution of these traits was observed. The values of selected Spearman's rank correlation coefficients were calculated. It was found that most cranial traits of the farm chinchillas showed statistically significantly higher values (P0.01) when compared to those being determined on the skulls of museum specimens. The effect of the farm environment, in which the farm chinchillas had been kept for many generations, was a likely reason for these differences.
RESUMEN
El objetivo fue presentar los valores de 47 caracteres métricos y 20 índices craneales del cráneo de 291 chinchillas de granja maduras y comparar estos datos con los determinados sobre 32 cráneos de chinchilla obtenidas desde el Museo de Historia Natural de Londres. Se tomaron mediciones de los parámetros del viscerocráneo, neurocráneo y de la mandíbula. No se observó una distribución normal de estos rasgos. Se calcularon los valores de los coeficientes de correlación de Spearman seleccionado. Se encontró que los rasgos craneales de las chinchillas de granja mostraron valores significativamente superiores (P 0,01) en comparación con los especímenes de museo. El efecto del entorno agrícola, en el que las chinchillas de granja se habían mantenido durante muchas generaciones, podría ser una razón probable para estas diferencias.
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Full text: Available Index: LILACS (Americas) Main subject: Skull / Chinchilla / Biometry Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article / Project document Affiliation country: Poland Institution/Affiliation country: Western Pomeranian University of Technology in Szczecin/PL

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Full text: Available Index: LILACS (Americas) Main subject: Skull / Chinchilla / Biometry Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article / Project document Affiliation country: Poland Institution/Affiliation country: Western Pomeranian University of Technology in Szczecin/PL