Comments on: Can using the same needle to vaccinate multiple sows be a cause of transmission of PRRS virus or other swine infectious diseases? How often would you recommend changing the needle?

Comments on: Can using the same needle to vaccinate multiple sows be a cause of transmission of PRRS virus or other swine infectious diseases? How often would you recommend changing the needle? https://prrscontrol.com/prrs-virus-transmission-vaccination-needle/ Tue, 18 Feb 2020 09:01:36 +0000 hourly 1