The changes of thymus gland weight, bursa weight, spleen weight and HI antibody titer were not distinct(P>0.05).
胸腺、法氏囊和脾脏重量及血清HI抗体滴度亦无显著变化（P>0.05）；
The experimental result shows that the HI antibody titer of experimental group slightly higher than of check group, the differences of two groups were nonsignificant(P>0.05).
试验结果：试验组HI抗体效价稍高于对照组，二者差异不显著（P>0 .05） 。
The experimental result shows that the HI antibody titer of experimental group slightly higher than of check group, the differences of two groups were nonsignificant(P>0.05).
试验结果：试验组HI抗体效价稍高于对照组，二者差异不显著（P>0 .05） 。
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