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 0.62
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -4.18 -0.375 1.57
Prot (kg) 2.02 -0.441 -0.89
Fertility Sub Index -7.32
Calving Interval (days) 3.41 -1.459 -4.98
Survival (%) -2.10 1.117 -2.35
Calving Sub Index -0.53
Gestation Length (days) 0.58 -0.919 -0.53
Beef Sub Index 0.06
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) -1.24 -0.432 0.54
Maintenance Sub Index Maint. Sub Index -1.78
Live WT (kg) 5.80 -0.307 -1.78
Total Carbon Sub Index -8.95

* Based on an €80/tonne carbon price