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 7.00
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -11.71 -0.375 4.39
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index 2.74
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) 1.17 1.117 1.31
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.45
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 19.26

* Based on an €80/tonne carbon price