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 2.28
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -0.23 -0.375 0.09
Prot (kg) -1.61 -0.441 0.71
Fertility Sub Index -4.49
Calving Interval (days) 1.01 -1.459 -1.47
Survival (%) -2.70 1.117 -3.02
Calving Sub Index -0.98
Gestation Length (days) 1.07 -0.919 -0.98
Beef Sub Index -6.56
Carcass Weight (kg) 5.30 -0.528 -2.80
Age of Slaughter (days) 8.72 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index -11.80

* Based on an €80/tonne carbon price