宮古馬の体型と改良の経過

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タイトル別名
  • The Body Type and History of Improvement in Miyako Horse
  • ミヤコ バ ノ タイケイ ト カイリョウ ノ ケイカ

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抄録

This paper is concerned with studies on the traits such as body size and coat color of Miyako horses as well as their history of improvement. Miyako horses were classified into four types: the native, the small, the middle and the large. The ages for these four types were over 25, over 20, 11-19 and 4-10 years old, respectively. 1) Each body section measured was significantly increased as improvement proceeded. Comparing the native type with the large type, the differences for females and males in withers hight, body length, chest girth, hip width and rump length were 25, 24; 19, 20; 26, 27; 11, 9 and 14, 8cm, respectively. 2) The native type with relatively higher body length, head length and chest girth, but lower rump length, comparing with withers hight was found to have been improved to the large type which was relatively high in rump length and thurl width. 3) The coat colors of the 497 Miyako horses were mainly chestnut (55%), bay (33%) and black (6%) with very few cases of roan, fallow and isabell. 4) Forty eight stallions have been introduced to Miyako island during the period from 1928 to 1975. Of these animals, four sires named Rakumu, Matsukaze, Hatsuteru and Sanho shipped from Miyasaki prefecture have made a great contribution to the improvement of Miyako native horses. 5) The coat colors of the 48 stallions introduced were chestnut, 23; bay, 21 and black, 4. Twenty four of them were from Miyazaki prefecture. Most of the 48 stallions were mainly Anglo-Arab or Anglo-Norman, which were not pure breeds, and a few Breton. 6) After World War II, 45 stallions were established in Miyako island and 28 of them were sons, grandsons or great-grandson of Rakumu.

収録刊行物

  • 日本畜産学会報

    日本畜産学会報 47 (7), 423-429, 1976

    公益社団法人 日本畜産学会

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