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 3.13
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index -5.07
Calving Interval (days) 2.63 -1.459 -3.84
Survival (%) -1.10 1.117 -1.23
Calving Sub Index -0.53
Gestation Length (days) 0.58 -0.919 -0.53
Beef Sub Index 0.40
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index -0.69

* Based on an €80/tonne carbon price