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 7.12
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -9.28 -0.441 4.10
Fertility Sub Index -3.44
Calving Interval (days) 1.74 -1.459 -2.54
Survival (%) -0.81 1.117 -0.90
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 0.18
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 4.59

* Based on an €80/tonne carbon price