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 -4.88
Milk (kg) 31.00 -0.014 -0.43
Fat (kg) 9.10 -0.375 -3.41
Prot (kg) 2.34 -0.441 -1.03
Fertility Sub Index -1.33
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 1.85
Gestation Length (days) -2.01 -0.919 1.85
Beef Sub Index -1.09
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 6.43 -0.432 -2.78
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index -6.62

* Based on an €80/tonne carbon price