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 6.79
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -10.18 -0.375 3.81
Prot (kg) -3.52 -0.441 1.55
Fertility Sub Index 3.54
Calving Interval (days) -1.72 -1.459 2.51
Survival (%) 0.92 1.117 1.03
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.66
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 21.76

* Based on an €80/tonne carbon price