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 16.27
Milk (kg) -276.00 -0.014 3.86
Fat (kg) -17.46 -0.375 6.54
Prot (kg) -13.28 -0.441 5.86
Fertility Sub Index -3.76
Calving Interval (days) 2.63 -1.459 -3.84
Survival (%) 0.07 1.117 0.08
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index -4.38
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 5.39 -0.432 -2.33
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 5.59

* Based on an €80/tonne carbon price