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 3.91
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -3.76 -0.375 1.41
Prot (kg) -2.40 -0.441 1.06
Fertility Sub Index -0.84
Calving Interval (days) 1.37 -1.459 -2.00
Survival (%) 1.04 1.117 1.16
Calving Sub Index -0.73
Gestation Length (days) 0.79 -0.919 -0.73
Beef Sub Index -0.92
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 7.02 -0.432 -3.03
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 7.90

* Based on an €80/tonne carbon price