Vol. 85, No. 3 (Published on 1st, May. 2023)

CONTENTS

ESSAY

　K. SAKAI…109

SPECIAL EDITION

Informatization, Precision, and Smartification in Livestock

Editor：N. KONDO

　M. FUKUSHIMA：Informatization in Beef Cattle…112

　J. NISHIKAWA, T. KAWAIDE：Estimation Technique for Body Condition Scores of Daily Cattle Using 2D Images…118

　M. TOMITA：Remained Feed Amount Measurement Method for Tie Stall with Individual Feeding…123

　T. SUZUKI：Pre-hatching Sex Determination of Chicks by Optical Measurement of Chicken Eggs…129

　S. ICHIURA, T. MORI：Information Technology in Poultry Farming…133

TECHNO-TOPICS

T. IIZUMI：Global Pre-Harvest Forecasting of Crop Yields…137

PAPERS (Articles)

RESEARCH PAPERS

M. TANAKA, S. UMENO, Y. KIKUCHI, X. XIANG, K. NAMBA：Development of Direct Measurement Methods for Dynamic Assistive Force of Powered Exoskeleton…149 　abstracts

Y. UEKA, T. YOKOGAWA, S. OHATA, S, ARIMA, M. MATSUI, K. NONAMI：Method for Detecting the Wind Winnowing Quality Subject to Changes in the Grain Flow Rate Using an Electric Wind Winnowing Unit…155 　abstracts

Y. HIRAI, M. FUJII, S. INOUE, S. INAGAKI, T. NISHIZU, E. INOUE, T. OKAYASU, M. MITSUOKA：Volume Estimation Method of a Rough Rice Layer Using Helmholtz Resonance…162 　abstracts

S. PHON, E. INOUE, M. MITSUOKA, T. OKAYASU, Y. HIRAI：Detection of Target Reference Points of a Hand Tractor Based on Transfer Path Analysis Technique…170 　abstracts

SHORT REPORT

S. YUKI, S. MORITA, Y. SHINOTO, H. UCHINO：Application Possibility of Boom Sprayer to Pest Control for Silking Stage of Corn Grain…180 　abstracts