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 3.51
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index -2.72
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) -0.74 1.117 -0.83
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index -0.18
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 5.19 -0.432 -2.24
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 2.72

* Based on an €80/tonne carbon price