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 3.50
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) -6.63 -0.375 2.48
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index -9.17
Calving Interval (days) 4.50 -1.459 -6.57
Survival (%) -2.33 1.117 -2.60
Calving Sub Index -0.53
Gestation Length (days) 0.58 -0.919 -0.53
Beef Sub Index 0.02
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index -5.38

* Based on an €80/tonne carbon price