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 11.30
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -10.14 -0.375 3.80
Prot (kg) -9.71 -0.441 4.29
Fertility Sub Index 5.15
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 1.98
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 0.66 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price