Prosecutors are awaiting a chemist's analysis of formula that a man fed to his three-month-old daughter before she died two months ago, weighing less than her birthweight. Wong Chi-chung, 21, and the baby's 31-year-old mother, Cheung Po-shan - charged with ill-treating or neglecting a child by diluting its formula - appeared in Tuen Mun Court yesterday but have not yet entered a plea.