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 4.17
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -2.94 -0.375 1.10
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.06
Calving Interval (days) 0.94 -1.459 -1.37
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -0.90
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 7.82 -0.432 -3.38
Maintenance Sub Index Maint. Sub Index 7.57
Live WT (kg) -24.70 -0.307 7.57
Total Carbon Sub Index 10.61

* Based on an €80/tonne carbon price