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 -0.16
Milk (kg) 39.00 -0.014 -0.55
Fat (kg) -1.84 -0.375 0.69
Prot (kg) 0.69 -0.441 -0.30
Fertility Sub Index 2.01
Calving Interval (days) -1.13 -1.459 1.65
Survival (%) 0.32 1.117 0.36
Calving Sub Index 3.67
Gestation Length (days) -3.99 -0.919 3.67
Beef Sub Index -0.14
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 6.28

* Based on an €80/tonne carbon price