常見例句During gestation, BW and backfat gain did not differ between treatment groups.整個妊娠期，兩組間體重和背膘厚均無顯著差異。Backfat is important ifreplacement females are produced within the herd.背膘厚度對于后備母豬選擇是一個非常重要的指標(biāo)。 返回 backfat