| Budget Amount *help |
¥41,080,000 (Direct Cost: ¥31,600,000、Indirect Cost: ¥9,480,000)
Fiscal Year 2016: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2015: ¥10,920,000 (Direct Cost: ¥8,400,000、Indirect Cost: ¥2,520,000)
Fiscal Year 2014: ¥23,530,000 (Direct Cost: ¥18,100,000、Indirect Cost: ¥5,430,000)
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| Outline of Final Research Achievements |
Controlling serum Vitamin A level (VA) is an important practice in Japanese Black Cattle livestock farmers to increase BMS (Beef Marbling Standard). To estimate VA from pupil images, pupil image capturing devices were made by trial. These devices were set at the drinking places and pupil images were captured when cattle were drinking. The image of embroidered pattern on the collar of the cattle was also captured by a camera to identify each cattle. The pupil images were processed and extracted the pupil color, the light reflex at the eyeball surface and the constriction amplitude of pupil shape in response to the lighting of LED. These extracted parameters correlated with VA. After shipping of 40 cattle which were produced by five bulls, the yield and the quality of the meat were investigated. Comparing among the cattle produced by the same bull, the meat of the cattle whose VA were controlled in low level had a tendency of high BMS values.
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