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 6.09
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -6.72 -0.441 2.97
Fertility Sub Index 1.15
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.98
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 17.43

* Based on an €80/tonne carbon price