Received: 15-01-2016
Accepted: 03-05-2016
DOI:
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Immunogenicity of Porcine Circovirus Type 2 (PCV2) Strains Isolated from Pigsin Vietnam
,
Ta Thi Kim Chung
1
,
Mai Thi Ngan
1
,
Tran Thi Huong Giang
1
,
Vu Thi Ngoc
1
,
Cao Thi Bich Phuong
1
Keywords
Humoral immune response, neutralizing antibodies, porcine circovirus type 2
Abstract
This study was conducted to determine the immunogenicity of several porcine circovirus type 2 (PCV2) strains which are chosen as candidates for selection of master seed. The results showed that 3 strains of PCV2 equally invoked the immune response of pigs with measurable level of humoral antibodies within 14 to 21 days and prolonged at least until day 56 post immunization. Sera of pigs immunized by PCV2 strains of different passaging levels all contained neutralizing antibodies against homologous virus.
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