Comparison of the Growth Performances of Offspring Produced by a Pair of Cloned Cattle and Their Nuclear Donor Animals
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概要
- 論文の詳細を見る
In the present study, the growth performance of a calf produced by mating a somatic cell cloned dam and sire was compared with that of its full siblings produced by mating the cattle used as nuclear donors for the cloned animals. The somatic cell cloned dam and sire were derived from cultured cumulus cells and ear cells, respectively. The cloned dam was artificially inseminated with semen from the cloned sire. A female calf was produced that was reared under general group feeding conditions. The calf was subjected to a clinical examination and to hematology, serum biochemistry, and telomere length analyses; all of these tests indicated that the calf was normal. The growth characteristics (body weight and shoulder height) of the calf fell within the range of the full siblings of the same sex produced by mating the animals used as the nuclear donors of clones. These findings suggest that the same breeding performance is expected from mating a cloned dam and sire as from mating the animals used as nuclear donors for the clones.
著者
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Kasai Kouji
Shizuoka Prefectural Livestock Experiment Station
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Sano Fumihiko
Shizuoka Prefectural Livestock Experiment Station
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Miyashita Norikazu
National Institute of Agrobiological Sciences
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WATANABE Shinya
National Institute of Livestock and Grassland Science
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NAGAI Takashi
National Institute of Livestock and Grassland Science
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Nagai Takashi
National Inst. Of Livestock And Grassland Sci.
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