Immunomodulatory Effects of Robinia pseudoacacia Polysaccharides on Live Vaccine against Infectious Bronchitis in Immunosuppressive Chickens

Table 1

Effects of RPPS on CD4⁺ T lymphocyte in the peripheral blood.

Groups	Days postinoculation and lymphocyte transformation rates
	7	14	21	28	35	42	49
I (RPPS+IB)	^a	^a	^a	^a	^a	^a	^a
II (RPPS+IB+ALV-J)	^b	^b	^b	^b	^b	^b	^b
III (IB+ALV-J)	^A	^A	^A	^A	^A
IV (IB)
V (control)

Note: groups with different superscript lowercase letters are statistically different at ; groups with superscript capital letters are statistically extremely different ().