Yoshie Takao's research while affiliated with Kyoto University and other places
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Publications (4)
Color change of pupil area was investigated in Red, Green, Blue (RGB) and Hue, Saturation, Intensity (HSI) color models from July to November in 2010 and from May to December in 2011 to estimate the serum vitamin A level of Japanese black cattle during their vitamin A controlled stage. A 2CCD camera was used to acquire the eye images. The results s...
Farmers usually control cattle's serum vitamin A level to improve beef meat fat quality. They sometimes conduct blood tests, but that is invasive and another measurement system is desirable. The objective of this study was to investigate the relationship between serum vitamin A level and pupil colors of beef cattle for developing a vitamin A monito...
In order to make better beef with high marbling score, breeders need to control serum vitamin A level from 30 IU/dl to 50 IU/dl during the middle fatting phase. Today, serum vitamin A level of beef cattle is usually measured by blood assay. However, blood assay has some disadvantages such as it is cost and time-consuming. For establishment of new m...
To increase the BMS (Beef Marbling Standard) score of Japanese Black Cattle, keeping the cattle serum vitamin A at a low level (30–40 IU/dl) during fattening age is an effective way. The traditional method of monitoring the serum vitamin A level is blood assay. However, it is costly, time-consuming and makes cattle stressful. A new approach by usin...
Citations
... In beef production, beef quality and beef quantity are two of the most critical factors in the beef grading system in many countries such as the USA, South Korea, and Japan [1][2][3]. Vitamin A is a fat-soluble vitamin, which is an essential substance to maintain a healthy vision and primary physiological function of cattle [4,5]. Vitamin A was first found to be negatively correlated with marbling score in carcasses of Japanese Black steers [6]. ...
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