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A morphometric study on the skull of donkey (Equus asinus) / Estudio morfométrico del cráneo del burro (Equus asinus)
Zhu, Lei; Shi, XiaoDong; Wang, JunJie; Chen, JianGang.
  • Zhu, Lei; Universities of the Diversity and Ecological Adaptative Evolution for Animals and Plants on YuiGui Plateau. Key Laboratory of Yunnan Province. CN
  • Shi, XiaoDong; Universities of the Diversity and Ecological Adaptative Evolution for Animals and Plants on YuiGui Plateau. Key Laboratory of Yunnan Province. CN
  • Wang, JunJie; Universities of the Diversity and Ecological Adaptative Evolution for Animals and Plants on YuiGui Plateau. Key Laboratory of Yunnan Province. CN
  • Chen, JianGang; Universities of the Diversity and Ecological Adaptative Evolution for Animals and Plants on YuiGui Plateau. Key Laboratory of Yunnan Province. CN
Int. j. morphol ; 32(4): 1306-1310, Dec. 2014. ilus
Article in English | LILACS | ID: lil-734676
ABSTRACT
The present study was carried out on a number of 16 skulls of adult male domestic donkeys. Craniometric measurements for 40 different parts of the skulls were made. All investigated features were expressed as Mean±SD. Cephalic indices and ratios were calculated by using the investigated features. The craniometric measurements and cephalic indices had been compared with those of local horses and ponies. A skull length of 443.07±53.57 mm and a maximum zygomatic width of 169.09±17.64 mm were obtained. The size of donkey skull was between those of local horses and ponies. A skull index of 38.23±0.85, a cranial index of 45.01±2.83 and a facial index of 67.80±3.79 were obtained. Cranial index and skull index were found to be close in value to that of local horses and ponies. The results of this study revealed that donkey had a longer nose than local horse and pony, and the difference of skull length in the three species accounted for the facial length difference.
RESUMEN
Se realizó un estudio sobre una serie de 16 cráneos pertenecientes a burros domésticos adultos, de sexo masculino. Se hicieron mediciones craneométricas en 40 partes diferentes de las muestras. Todas las características investigadas se expresaron como media ± desviación estándar, calculándose índices y proporciones cefálicas. Se compararon las mediciones craneométricas e índices cefálicos con los de caballos y ponis de la zona. La longitud del cráneo obtenida fue de 443,07±53,57 mm, con una anchura máxima del hueso cigomático de 169,09±17,64 mm. El tamaño del cráneo del burro se ubicó entre el de los caballos y los ponis locales. Se obtuvo un índice de cráneo de 38,23±0,85, un índice craneal de 45,01±2,83 y un índice facial de 67,80±3,79. Los índices craneal y de cráneo encontrados fueron cercanos a los valores correspondientes a los caballos y ponis locales. Los resultados de este estudio revelaron que el burro tenía una nariz más larga que el caballo y el poni. Además, la diferencia en longitud del cráneo en las tres especies representa la diferencia de longitud facial.
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Full text: Available Index: LILACS (Americas) Main subject: Skull / Cephalometry / Equidae Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2014 Type: Article Affiliation country: China Institution/Affiliation country: Universities of the Diversity and Ecological Adaptative Evolution for Animals and Plants on YuiGui Plateau/CN

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Full text: Available Index: LILACS (Americas) Main subject: Skull / Cephalometry / Equidae Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2014 Type: Article Affiliation country: China Institution/Affiliation country: Universities of the Diversity and Ecological Adaptative Evolution for Animals and Plants on YuiGui Plateau/CN