Sows that return to estrus are those that after having been serviced and without having farrowed or aborted, come into heat.
Total returns should not exceed 8%.
Situations with total returns greater than 8% should be investigated. If total returns are not greater than 8% but the farrowing rate is less than 85% we should consider other possible causes for the gestation losses. Use the buttons above to continue troubleshooting, or navigate using the flowchart to access the different parts of the tool.