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Table 2 General information of case herds A and B

From: Clinical problems due to encephalomyocarditis virus infections in two pig herds

  Herd A Herd B
Herd size (number of sows) 300 sows 300 sows
% of piglets raised as fattening pigs on the same site 90 30
Type of batch farrowing system for sows 4-week 3-week
Age of weaning (weeks) 3 4
Breed of sows Topigs Danbred
Breed of boar for artificial insemination Belgian Piétrain Belgian Piétrain
Purchase of breeding gilts No No
Floor structure Fully slatted Fully slatted
  1. BMS Batch Management Production System