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 33.27
Milk (kg) -657.00 -0.014 9.20
Fat (kg) -32.43 -0.375 12.15
Prot (kg) -27.02 -0.441 11.93
Fertility Sub Index 1.03
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index 1.08
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 39.75

* Based on an €80/tonne carbon price