Veterinary Research Forum
Vet Res Forum

Evaluation of porcine circovirus type 2 double vaccination in weaning piglets that reared for gilts under field conditions

Document Type : Original Article

Authors

Vasileios Papatsiros 1
Georgios Papakonstantinou 1
Eleftherios Meletis 2
Dimitra Bitchava 3
Polychronis Kostoulas 2

1 Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece

2 Faculty of Public and Integrated (One) Health, School of Health Sciences, University of Thessaly, Karditsa, Greece

3 Vet in Progress Plus, Veterinary Laboratories

https://doi.org/10.30466/vrf.2022.543079.3292
Abstract
The objective of the present study was to evaluate the efficacy of a porcine circovirus type 2 (PCV2) double vaccination in weaning piglets reared for gilts under field conditions. The study was conducted at a Greek farrow-to-finish conventional pig farm with a previous history of PCV2 infections. The trial included 96 female piglets at 21 days of age, which were equally allocated to two different study groups. Piglets of the group-1 received a single PCV2 vaccination at 21 days of age, while piglets of the group-2 were double vaccinated against PCV2, at 21 and 42 days of age. The results indicated that the piglets of group-2 had better growth performance, as they showed higher body weight (BW) and average daily weight gain (ADWG). In addition, ELISA tests showed that the double- vaccinated piglets presented a better humoral response against PCV2, as higher levels of IgG antibodies were detected in them than the piglets of the group-1. In conclusion, the current results suggested that a double PCV2 vaccination of piglets, reared for gilts, on a PCV2-affected farm could lead to higher protection against the virus.

Keywords

Average daily weight gain
Gilt
Immunoglobulin G
Porcine circovirus type 2
Vaccine
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Veterinary Research Forum
Volume 14, Issue 1
January 2023
Pages 13-19

  • Receive Date 18 November 2021
  • Revise Date 28 December 2021
  • Accept Date 08 February 2022

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