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 3.14
Milk (kg) -97.00 -0.014 1.36
Fat (kg) 1.48 -0.375 -0.55
Prot (kg) -5.30 -0.441 2.34
Fertility Sub Index 4.53
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index 0.54
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 10.70

* Based on an €80/tonne carbon price