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 3.47
Milk (kg) -236.00 -0.014 3.30
Fat (kg) -3.23 -0.375 1.21
Prot (kg) 2.36 -0.441 -1.04
Fertility Sub Index 4.42
Calving Interval (days) -2.43 -1.459 3.55
Survival (%) 0.78 1.117 0.87
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 1.50
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 13.20

* Based on an €80/tonne carbon price