What is the fine-grained topic of the following text: In addition, Joel Miranda, PRRS Brand Manager, gave a presentation during the convention entitled “Safety and efficacy of the combined use of UNISTRAIN® PRRS and AUSKIPRA® GN by ID and IM routes” in which he spoke of the importance of the combination of vaccines on the farm and presented the technical results of the combination. Only return the topic.
Presentation on the combined use of UNISTRAIN® PRRS and AUSKIPRA® GN vaccines in farming.