two-hundred nine sows were used in a 2 x 2 split-plot unbalanced design to measure the effect of folic acid against control , and flushing against a normal level of feeding , between weaning and mating on the following variables : serum folates at weaning and at 60 d of gestation , blood hemoglobin ( hb ) and hematocrit ( ht ) after 15 wk of gestation and reproductive performance at farrowing .
C0032961
gestation
C0035150
reproductive