Herd closure consists of temporarily interrupting gilt introductions until the resident virus dies out. It can be applied for reaching stability or for elimination. Herd closure is a practice that has been implemented for several decades with great success to break the infection cycle of pathogens, including PRRSV, Mhp, PEDV, and SVA.
Now you can play arround with this interactive Excel file with your own variables.
The value of proper PRRSv control increases proportional to increases in margin over variable costs per pig. Similarly, the higher virulence of the wild-type infecting the herd, the greater will be the economic benefit of a swifter recovery.
Downloads
- Herd closure – Economic calculator (89.77 KB)