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 12.56
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -14.58 -0.375 5.46
Prot (kg) -10.67 -0.441 4.71
Fertility Sub Index 0.72
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) -2.52 1.117 -2.82
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index 1.20
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -0.46 -0.432 0.20
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 19.16

* Based on an €80/tonne carbon price