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The determination of radius-ulna closure time of growth plates in mohair goat kids by radiography

Authors
Journal
Small Ruminant Research
0921-4488
Publisher
Elsevier
Volume
103
Identifiers
DOI: 10.1016/j.smallrumres.2011.09.049
Keywords
  • Radius-Ulna
  • Growth Plates
  • Radiography
  • Goat Kids

Abstract

Abstract In the study, it was aimed to determine the radius-ulna closure time of growth plates in mohair goat kids by radiography and find out the effects of elongation in related bones, shoulders height and gender on closure in accordance to months. The study was carried out in a total 30 kids; 15 being male and 15 female. Until the closure of growth plates of related bones is completed (35 months), radiographies of related bones were taken every month and shoulder heights were measured. Radiographies were taken in ML and LM positions. The lengths of bones seen in the radiogram were measured using negatoscope. Developmental stages of proximal and distal growth plates of radius-ulna were evaluated in four periods according to a modified method. First sign of the start of closure in all the plates among males and females was observed in the proximal plates of radius in the 5th month. In both genders, proximal plates of radius closed in 11–13th month, proximal plate of ulna closed in 25–32nd month, distal plates of radius closed in 33–35th month, distal plate of ulna closed in 34–35th month. As a result, while distal growth plates of radius-ulna closes later compared to proximal plate, it gives an impression that growth in these bones occur mainly in distal plates. One of the reason of the lowerness of shoulder height in the females compared to males, is could be due to early closure time of radius-ulna plates in females compared to males.

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