This investigation was conducted on 249 Jindo dogs aging from 2 to 12 months to determine body type and external appearance of the dogs.
The results of this investigation were as follows.
1. The withers height of male dogs grooved rapidly during the period between 2 months and. 7 months of age, and was 22.94㎝ and 49.77㎝, respectively. Afterward the growth rate slowed down up to 12 months, 53.33㎝. The growth rate of female was similar to male, and the withers height was 22.91㎝, 46.81㎝, 48.70㎝ at 2, 6 and 12 months of age.
2. For male and female the body length was 27.21, 27.23㎝ at 2 months, 51.40㎝, 51.62㎝. at 6 months, 58.33, 52.15㎝ at 12 months, respectively. Growth rate of the body length was very rapid from 2 to 6 months of age, but afterwards the growth rate was slow and somewhat retarded.
3. For male and female, the withers height to body length ratio was 100 : 109.4 and 100 107.1 in 12 months old group.
4. Cross over between the sexes in growth rate occurred between 5.3 to 6.5 months of age for wither height, between 6.0 to 7.2 months for body length, respectively.
5. The average chest girths of male and female were 31.46, 30.46㎝ at 2 months, 54.92, 52.20㎝ at 7months, 60.25, 57.90㎝ at 12months, respectively. The growth rate of chest girth was rapid between 2 to 7 months of age and gradual between 7 to 12 months.
6. The average skull lengths of male and female were 11.76, 11.32㎝ at 2 months, 21.83, 19.60㎝ at 12 months, respectively. The average head widths of male and female were 8.37, 7.94㎝ at 2 months, 15.47, 12.46㎝ at 12 months.
7. Erected type of ear was completed from oblique type at 6 months in male and 7 months in female.
On our detailed examinations, we concluded that Jindo dogs completed their growth at 6 to 7 months of age.
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