Answers are grounded in this paper and cite their sources.
This paper sets out to provide a summary of the salient facts about the porcine reproductive and respiratory syndrome and to identify conclusions. It draws on the proceedings of a BVA Trust symposium held on Friday November 1, 1991, which was attended by representatives of the state veterinary services of Belgium, Germany, the Netherlands and the UK together with veterinarians involved in pig research and practice.
No takes yet. Share an insight, caveat, or question.
R. Ahl (1992) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: