Healthy Habits for Control of Influenza A Virus in Swine

Influenza A virus in swine (IAV-S) is considered to be one of the top 3 diseases threatening productivity in swine herds. A whole-herd approach (WHA) to IAV-S control can lead to the reduction or elimination of IAV-S endemicity and the impact of IAV-S in young pigs.

The keystone concept of this WHA is that pigs are born free of IAV-S.1 Unlike a disease like PRRS, IAV-S is not transmitted in utero or via colostrum.1 A WHA aims to capitalize on this IAV-S–free neonatal period and produce a growing pig protected from IAV-S to the greatest degree. This is achieved by minimizing the exposure of pigs to both resident and novel IAV-S strains through good management and husbandry practices and by maximizing the immunity of susceptible pig populations through timely and appropriate vaccination. Implementing healthy habits like these can help achieve the objectives of a WHA.


Healthy habits work together to support a whole-herd approach
Limit movement of young pigs to reduce transmission of IAV-S to new and naïve pigs.2
Avoid spreading disease when handling young pigs by practicing good group-to-group hygiene.3
Use a unidirectional workflow—work young to older—in the farrowing house to reduce transmission via fomites of IAV-S (people, pigs, and equipment).4
Properly manage new arrivals by quarantining or limiting movement, and identify new IAV-S in incoming gilts.
Implement on-farm policies for caregivers with influenza-like illness to limit human transmission of new IAV-S to pigs.
Immunize neonatal pigs and replacement gilts with INGELVAC PROVENZA®, a live attenuated intranasal vaccine that provides broad cross-protection against the ever-evolving risk of IAV-S, through the nursery period and beyond.5—7
Practice an “all-in all-out” pig flow when pigs move between housing units to reduce the spread of diseases between different groups or ages of animals.2,4
Know the status of your gilt development unit (GDU). As GDUs are often run in a continuous flow, gilts may be moving through or housed adjacent to older or younger cohorts shedding IAV-S.
healthy habits flow

A WHA involves implementing healthy habits across phases of production. From replacement gilts to pigs in the farrowing house, all play a critical role in keeping young pigs free of IAV-S and able to build an optimal immune response when vaccinated. Consider implementing these healthy habits throughout your farm to help achieve IAV-S control through a WHA.

To learn more about these healthy habits, including vaccination with INGELVAC PROVENZA, talk to your Boehringer Ingelheim representative or visit IngelvacProvenza.com.

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