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 5.29
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -5.94 -0.375 2.22
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 0.86
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.73 1.117 0.82
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.48
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 13.61

* Based on an €80/tonne carbon price