Abstract:
:Varied doses of Taishan Pinus massoniana pollen polysaccharide (TPPPS) and Astragalus polysaccharide (APS) extracted by hot water extraction and ethanol precipitation method were added to the vaccine in order to prepare polysaccharide-rabbit haemorrhagic disease (RHD) tissue inactivated vaccine. The purpose was to study effects of TPPPS on immune response of RHD tissue inactivated vaccine and on production performance of Rex rabbits. Results showed that each index in groups I, II, III and IV was higher than that in group V, especially groups I, II and IV, the difference between which and group V was much more significant (P<0.05); each index in group I was extremely higher than that in group V (P<0.01); each index in group I was significantly higher than that in groups II, III (P<0.05), and generally no significant difference was observed between groups II and III. The overall level in group IV was slightly lower than that in group I. Each index in the polysaccharide groups reached its peak value later than that in the non-polysaccharide groups did. Results suggested that any dose of TPPPS can enhance immunologic function and production performance of rabbits, and the amount of 400mg per rabbit has the most obvious efficacy. Furthermore, it can extend the immune peak period of RHD tissue inactivated vaccine and the growing peak period of Rex rabbits. TPPPS has generally higher efficiency than APS.
journal_name
Vaccinejournal_title
Vaccineauthors
Wei K,Sun Z,Yan Z,Tan Y,Wang H,Zhu X,Wang X,Sheng P,Zhu Rdoi
10.1016/j.vaccine.2011.01.068subject
Has Abstractpub_date
2011-03-21 00:00:00pages
2530-6issue
14eissn
0264-410Xissn
1873-2518pii
S0264-410X(11)00128-9journal_volume
29pub_type
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