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 3.63
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.39 -0.375 0.90
Prot (kg) -1.60 -0.441 0.71
Fertility Sub Index -3.06
Calving Interval (days) 1.41 -1.459 -2.06
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 2.53
Gestation Length (days) -2.75 -0.919 2.53
Beef Sub Index 3.35
Carcass Weight (kg) -9.80 -0.528 5.17
Age of Slaughter (days) 4.22 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 12.51

* Based on an €80/tonne carbon price