Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 9.48
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -14.12 -0.375 5.29
Prot (kg) -5.76 -0.441 2.54
Fertility Sub Index 7.74
Calving Interval (days) -2.54 -1.459 3.71
Survival (%) 3.61 1.117 4.03
Calving Sub Index 2.30
Gestation Length (days) -2.50 -0.919 2.30
Beef Sub Index -0.07
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 20.06

* Based on an €80/tonne carbon price