二次补铁对哺乳仔猪生长发育的效果观察

Effects of Twice Supplement of Fe on Growth and Development of Suckling Pig

选取长大初生仔猪647头,按分娩批次分成试验组和对照组,先后进行两次试验。试验组于第1天和第8天二次补铁,对照组仅于第3天一次补铁。结果表明,两次试验中试验组与对照组的断奶个体重均差异显著(P<0．05),同时,试验组和对照组的发病率及死亡率均差异不显著(P>0.05),二次补铁经济效益明显。

Six hundreds and forty seven newborn pigs were divided into two groups according to parturition period, one group was supplied with Fe on one-day old and eight-day old, another group was supplied with Fe on three-day old. The results showed that the difference of individual weaning weight was significant between two groups (P<0.05), there were not significant differences of morbidity and mortality rate between two groups (P >0.05). the economic benifit was apparent for twice supplement of Fe in this experiment.