Yoshiaki Sato, Hiroaki Takebe, Kento Tominaga, Jumpei Yasuda, Hajime Kumagai, Hiroyuki Hirooka, Takashi Yoshida. A rumen virosphere with implications of contribution to fermentation and methane production, and endemism in cattle breeds and individuals. Applied and Environmental Microbiology. 2023
S. Katsumata, Y. Hayashi, K. Oishi, T. Tsukahara, R. Inoue, A. Obata, H. Hirooka, H. Kumagai. Effects of liquefied sake lees on growth performance and faecal and blood characteristics in Japanese Black calves. animal. 2023. 17. 7. 100873-100873
Yoshiaki Sato, Hiroaki Takebe, Kento Tominaga, Jumpei Yasuda, Hajime Kumagai, Hiroyuki Hirooka, Takashi Yoshida. Characteristics of the rumen virome in Japanese cattle. 2023
Izumi ASADA, Kazutaka NISHI, Kazato OISHI, Hajime KUMAGAI, Hiroyuki HIROOKA. Genetic analysis for predicted environment-related traits using the traits of Japanese Black bulls’ performance test. Nihon Chikusan Gakkaiho. 2022. 93. 4. 313-321
Akira Setoguchi, Kazato Oishi, Yoshiaki Kimura, Akifumi Ogino, Hajime Kumagai, Hiroyuki Hirooka. Carbon footprint assessment of a whole dairy farming system with a biogas plant and the use of solid fraction of digestate as a recycled bedding material. Resources, Conservation & Recycling Advances. 2022. 15. 200115-200115
Uenishi, S, Oishi, K, Kojima, T, Masuda, T, Sonoda, Y, Kitajima, K, Yasunaka, Y, Sakai, K, Kumagai, H, Hirooka, H. A novel procedure combining classified behaviors by direct observations and physical activity quantified by accelerations to assess the behavioral status of fattening steers. The 18th Animal Science Congress, The Asian Australasian Association of Animal Production Societies. 2018
Sakai, K, Oishi, K, Miwa, M, Kumagai, H, Hirooka, H. Behavior classification of grazing goats with 9D-multi sensors and machine learning. The 18th Animal Science Congress, The Asian Australasian Association of Animal Production Societies. 2018