Comparative evaluation of the cost and efficiency of four types of sexing methods for the production of dairy female calves.

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第一作者： Tomoko,Obuchi

第一单位： Department of Applied Life Science, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan.;Present: Division of Animal Reproduction, Maebashi Institute of Animal Science, Livestock Improvement Association of Japan (LIAJ), Gunma 371-0121, Japan.

作者： Tomoko,Obuchi ^[1] ; Masahiro,Osada ^[2] ; Takeyuki,Ozawa ^[2] ; Hiroshi,Nakagawa ^[3] ; Michiko,Hayashi ^[4] ; Kiyoshi,Akiyama ^[5] ; Nobutada,Sakagami ^[5] ; Ryotaro,Miura ^[6] ; Masaya,Geshi ^[7] ; Hitoshi,Ushijima ^[2]

作者单位： Department of Applied Life Science, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan.;Present: Division of Animal Reproduction, Maebashi Institute of Animal Science, Livestock Improvement Association of Japan (LIAJ), Gunma 371-0121, Japan. ^[1] Department of Applied Life Science, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan. ^[2] Niigata Agricultural Research Institute, Niigata 955-0143, Japan. ^[3] Ishikawa Livestock Research Center, Ishikawa 929-1325, Japan. ^[4] Kanagawa Prefectural Livestock Industry Technology Center, Kanagawa 243-0417, Japan. ^[5] Department of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan. ^[6] Animal Breeding and Reproduction Research Division, NARO Institute of Livestock and Grassland Science, Ibaraki 305-0901, Japan. ^[7]

关键词 Bovine female embryo Embryo transfer cost performance In vitro embryo production Ovum pick-up X-sorted semen