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 7.89
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -1.89 -0.375 0.71
Prot (kg) -11.68 -0.441 5.16
Fertility Sub Index -8.02
Calving Interval (days) 4.34 -1.459 -6.33
Survival (%) -1.51 1.117 -1.69
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index -0.01
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.05 -0.432 -1.75
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index -3.07

* Based on an €80/tonne carbon price