Biological rhythms related to metabolism in Japanese Shorthorn cattle under varying environments and management techniques

Mizuna Ogino, Akihiro Matsuura, Atusi Yamazaki, Mami Irimajiri, Hideyuki Takahashi, Tokushi Komatsu, Shiro Kushibiki, Hiroyuki Shingu, Etsuko Kasuya, Yoshihisa Hasegawa, Koichi Hodate

Research output: Contribution to journalArticlepeer-review


Plasma insulin (INS), thyroxin (T4), glucose (GLU), non-esterified fatty acid (NEFA), blood urea nitrogen (BUN), rectal temperature (RT) and eating behavior were evaluated in Japanese Shorthorn cattle under varying external environments and management techniques. Serial blood collection and assessments of RT and eating behavior were performed over 48h in the spring, summer, autumn and winter in four female cattle reared under either free-stall and ad libitum feeding (FA) conditions or tie-stall and restricted feeding (TR) conditions. Cycle patterns for each parameter were examined using spectral analysis, and correlations between parameters were investigated using cross-spectral analysis. Rhythms for all parameters, except eating behavior and T4, did not differ significantly among the varied external environments and between management techniques, although seasonal differences in the concentration or value of parameters were observed. An approximate 3- or 4-h rhythm cycle detected in T4, GLU, NEFA, BUN, and RT might be the common metabolic rhythm. Under both conditions, the metabolite levels showed strong correlations with eating behavior. Moreover, GLU positively correlated with INS at lag time of 0h, as did eating behavior and RT.

Original languageEnglish
Pages (from-to)513-526
Number of pages14
JournalAnimal Science Journal
Issue number6
Publication statusPublished - Jun 2013
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Agricultural and Biological Sciences


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