Key result
Among 407 yaks in Qinghai, China, 24% were positive for BVDV by RT-PCR, with phylogenetic analysis revealing multiple subgenotypes of BVDV-1 (1b, 1d, and 1q).
Population
407 yaks (Bos gruniens) with or without clinical signs from six counties of Qinghai Province, China
Design
Cross-sectional
Authors
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BVDV circulation in Qinghai yaks; extends regional molecular data but remains hypothesis-generating for control measures.
Cross-Sectional (n=407)
This study provides the first molecular evidence of BVDV infection involving multiple subgenotypes in yaks in Qinghai, China, highlighting the need for improved biosecurity and vaccination practices.
Gong et al. (2014) conducted a cross-sectional in Bovine viral diarrhea virus (BVDV) infection (n=407). Bovine viral diarrhea virus (BVDV) was evaluated on BVDV infection prevalence by RT-PCR. Among 407 yaks in Qinghai, China, 24% were positive for BVDV by RT-PCR, with phylogenetic analysis revealing multiple subgenotypes of BVDV-1 (1b, 1d, and 1q).
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