Long-Day Photoperiod that Enhances Puberty Does Not Limit Body Growth in Holstein Heifers*,â
Keywords: photoperiod; protein; heifer; growth; EBF; empty body fat; EBM; empty body mineral; EBP; empty body protein; EBW; empty body water; EBWT; empty body weight; HG; heart girth; HH; hip height; LDPP; long-day photo-period; PRL; prolactin; SDPP; short-day phot