Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -1.43
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 7.54 -0.375 -2.82
Prot (kg) -3.19 -0.441 1.41
Fertility Sub Index -2.67
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) -0.69 1.117 -0.77
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index -0.34
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.96 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index -4.45

* Based on an €80/tonne carbon price