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 4.26
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -6.90 -0.375 2.58
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 1.06
Calving Interval (days) -0.18 -1.459 0.26
Survival (%) 0.71 1.117 0.79
Calving Sub Index -1.42
Gestation Length (days) 1.55 -0.919 -1.42
Beef Sub Index -2.32
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 8.19 -0.432 -3.54
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 7.95

* Based on an €80/tonne carbon price