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 5.20
Milk (kg) -248.00 -0.014 3.47
Fat (kg) -0.91 -0.375 0.34
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index -2.47
Calving Interval (days) 2.04 -1.459 -2.98
Survival (%) 0.45 1.117 0.50
Calving Sub Index 1.62
Gestation Length (days) -1.76 -0.919 1.62
Beef Sub Index -1.39
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 4.08 -0.432 -1.76
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 6.02

* Based on an €80/tonne carbon price