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 -8.06
Milk (kg) 99.00 -0.014 -1.39
Fat (kg) 9.74 -0.375 -3.65
Prot (kg) 6.86 -0.441 -3.03
Fertility Sub Index -3.31
Calving Interval (days) 1.34 -1.459 -1.96
Survival (%) -1.21 1.117 -1.35
Calving Sub Index 2.46
Gestation Length (days) -2.68 -0.919 2.46
Beef Sub Index 0.31
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.82 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index -5.35

* Based on an €80/tonne carbon price