| porcine circovirus type 2 antibody detection in backyard pigs from mexico city. | pcv2 antibodies have been found in pigs from all continents. however, this finding has been mainly studied in domestic swine reared under intensive production conditions. mexico city, with a human population over 19 million in 2005, has both urban and rural areas. the pig production in its rural area is based on small family backyard farms. taking into account this rather unique form of rearing pigs, the objective of this study was to determine the seroprevalence in backyard pigs from the rural ... | 2007 | 17157886 |