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 4.41
Milk (kg) -140.00 -0.014 1.96
Fat (kg) 1.82 -0.375 -0.68
Prot (kg) -7.10 -0.441 3.13
Fertility Sub Index -2.76
Calving Interval (days) 1.83 -1.459 -2.67
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index 0.24
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 5.07 -0.432 -2.19
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 1.36

* Based on an €80/tonne carbon price