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 10.60
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -10.98 -0.375 4.11
Prot (kg) -10.87 -0.441 4.80
Fertility Sub Index -7.47
Calving Interval (days) 3.46 -1.459 -5.05
Survival (%) -2.17 1.117 -2.42
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.34
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 3.31

* Based on an €80/tonne carbon price