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 36.06
Milk (kg) -681.00 -0.014 9.53
Fat (kg) -36.11 -0.375 13.53
Prot (kg) -29.45 -0.441 13.00
Fertility Sub Index 1.02
Calving Interval (days) -2.56 -1.459 3.74
Survival (%) -2.43 1.117 -2.71
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 1.08
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 40.59

* Based on an €80/tonne carbon price