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 8.86
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -14.46 -0.375 5.42
Prot (kg) -7.45 -0.441 3.29
Fertility Sub Index -3.92
Calving Interval (days) 1.74 -1.459 -2.54
Survival (%) -1.24 1.117 -1.39
Calving Sub Index -2.33
Gestation Length (days) 2.53 -0.919 -2.33
Beef Sub Index -2.88
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index -4.29
Live WT (kg) 14.00 -0.307 -4.29
Total Carbon Sub Index -4.56

* Based on an €80/tonne carbon price