Herd closures to eliminate porcine reproductive and respiratory syndrome (PRRS) are on the increase due in part to the virulent variant identified as PRRS 1-4-4 L1C.
During winter, swine facilities usually operate at minimum-ventilation rates. But if those rates aren’t correct, high humidity and excess gases will build up leading to increased disease and reduced growth rates.
All types of supplies and equipment enter a hog farm, putting the operation at risk of a disease outbreak. Improved biosecurity protocols with layering help minimize the risks, reported Erin Kettelkamp, DVM, Swine Vet Center.
Changes to a piglet’s gut brought on by weaning may allow rotavirus an opportunity to cause some issues with scours, according to Ross Kiehne, DVM, Swine Vet Center.
The biggest issue facing most hog farms today is a shortage of workers, according to Laura Bruner, DVM, Swine Vet Center, St. Peter, Minnesota.