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 4.00
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index -18.09
Calving Interval (days) 8.50 -1.459 -12.40
Survival (%) -5.09 1.117 -5.69
Calving Sub Index 1.99
Gestation Length (days) -2.17 -0.919 1.99
Beef Sub Index -0.83
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 5.35 -0.432 -2.31
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -12.65

* Based on an €80/tonne carbon price