Publications by Hikoji Arai

Publications by authors named "Hikoji Arai"

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Effects of dietary vitamin K supplementation on vitamin K and K (menaquinone) dynamics in dairy cows.

Hanako Bai Hikoji Arai Kentarou Ikuta Sho Ishikawa Yoshihisa Ohtani

Anim Sci J

March 2022

The effect of dietary vitamin K (VK3) on ruminant animals is not fully investigated. The aim of this study was to examine the effects of dietary VK3 on lactation performance, rumen characteristics, and VK1 and menaquinone (MK, or VK2) dynamics in the rumen, plasma, and milk of dairy cows. Eight Holstein dairy cows in late lactation periods were used in two crossover trials including a control (nontreatment) and a 50 or 200 mg/day (d) VK3 supplementation group.

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