U.S. packing plant adaptations in the era of COVID
U.S. meatpackers have been extremely aggressive in identifying and adopting best practices to limit the transmission of SARS-CoV2 within their workforces.
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13-Jul-2020Johnny ZhangIt's good to see mitigation strategies enormously helpful to the recovery and those biosecurity measures, although costly, indeed will bring people's confidence back to work, which is gonna benefit the whole world, not just any single country.
The role of PCV2 in breeding herd losses
Altering animal flow to insure exposure to PCV2 prior to breeding, as part of an acclimation program is necessary to minimize the risk of PCV2 associated reproductive disease.
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20-Aug-2014James LoweIt was one of the subunit vaccines that was used. However, the evidence does not convince me that the type or brand of vaccine would make any difference. The data casual observations that has been presented to support sow vaccination in any shape or form is not convincing and likely represents, as in this case, of clinical improvement occurring in spit of not because of our veterinary interventions. We believe that this case represents the most common issue in breeding herd health where a mismatch of infection status between replacement gilts and the resident herd occurs. Carefully managing natural exposure and clearance of organisms in the resident herd is a much more effective management strategy than relying on vaccines/bacterins to stabilize transmission rates in the herd. Vaccines are one, imperfect tool to aid in management but are not a substitute for effective pig flow, nutrition and hygiene strategies to optimize pig health though stable pathogen transmission rates.
Elimination of PRRS in breeding herds
There are 3 potential options to stabilize BTW herds following an outbreak that have all proven successful over time. They have very different cost and risk profiles and a through economic assessment is needed to determine what the best course of action is for each new outbreak.
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A systematic management strategy for breeding herds based on PRRS herd status
It was developed in USA as a way to improve communication of what needed to be done to improve the chances of success in stabilizing and managing breeding herds.
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