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 0.37
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -2.40 -0.375 0.90
Prot (kg) 1.33 -0.441 -0.59
Fertility Sub Index 3.87
Calving Interval (days) -2.51 -1.459 3.66
Survival (%) 0.19 1.117 0.21
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.60
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 14.17

* Based on an €80/tonne carbon price