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Craniometric characteristics and cranial indices of Polish heath sheep rams ­ extended data / Características craneométricas e índices craneales de ovejas heath polacas - datos ampliados
Baranowski, Piotr.
  • Baranowski, Piotr; Western Pomeranian University of Technology in Szczecin. Faculty of Biotechnology and Animal Husbandry. Department of Animal Anatomy. PL
Int. j. morphol ; 35(1): 133-140, Mar. 2017. ilus
Article in English | LILACS | ID: biblio-840944
ABSTRACT
The study was conducted on the mouflon-derived horned sheep of the preserved Polish Heath Sheep breed. In this study, basic skull measurements of 24 skulls of the rams of different age 1 day, 90 days, 210 days, 270 days, 3 and 6 years, were analyzed. The weight of each skull was determined, as well as 43 craniometric characteristics were measured, and cranial cavity volume and viscerocranial and neurocranial indices were calculated. From birth to the age of 6 years, the greatest length of the skull, the condylobasal length and the length of the cheek-tooth row increased two-fold. To day 210 of age, the bony housing for eyeball and its organs grew intensively. To day 270 of age, the largest increase was characteristic of the elements of the angular length of the neurocranium and its breadth. The structural elements characterizing both the breadth and the length of the viscerocranium developed to the age of 6 years. A significant (P0.05), decreasing with age, value of the cephalic index was observed, being mostly affected by development of the squamous part of the frontal bone with its orbital part and the orbital margin.
RESUMEN
El estudio se realizó en la raza preservada de ovejas Heath, derivadas del Muflón. En este estudio se analizaron las mediciones craneales básicas de 24 cráneos de carneros de diferentes edades 1 día, 90 días, 210 días, 270 días, 3 y 6 años. Se determinó el peso de cada cráneo, se midieron 43 características craneométricas y se calculó el volumen de la cavidad craneal y los índices viscerocraneales y neurocraneales. Desde el nacimiento hasta la edad de 6 años, la longitud más grande del cráneo, la longitud del cóndilo y la longitud de la hilera del diente de la mejilla aumentó dos veces. A los 210 días de edad, la cubierta ósea para el bulbo ocular y sus órganos creció intensivamente. Al día 270 de edad, el mayor incremento fue la longitud angular del neurocráneo y su amplitud. Los elementos estructurales que caracterizan tanto el ancho como la longitud del viscerocráneo se desarrollaron a la edad de 6 años. Se observó un valor significativo (P0,05), decreciente con la edad, del índice cefálico, siendo afectado principalmente por el desarrollo de la parte escamosa del hueso frontal con su parte orbitaria y el margen orbital.
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Full text: Available Index: LILACS (Americas) Main subject: Skull / Sheep / Cephalometry Type of study: Prognostic study Limits: Animals Country/Region as subject: Europa Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article 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 / Sheep / Cephalometry Type of study: Prognostic study Limits: Animals Country/Region as subject: Europa Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article Affiliation country: Poland Institution/Affiliation country: Western Pomeranian University of Technology in Szczecin/PL