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 3.69
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -5.64 -0.375 2.11
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index -3.07
Calving Interval (days) 2.14 -1.459 -3.12
Survival (%) 0.05 1.117 0.06
Calving Sub Index -2.20
Gestation Length (days) 2.39 -0.919 -2.20
Beef Sub Index -4.84
Carcass Weight (kg) 12.50 -0.528 -6.59
Age of Slaughter (days) -4.06 -0.432 1.75
Maintenance Sub Index Maint. Sub Index -3.28
Live WT (kg) 10.70 -0.307 -3.28
Total Carbon Sub Index -9.70

* Based on an €80/tonne carbon price