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 3.83
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -3.46 -0.441 1.53
Fertility Sub Index -2.34
Calving Interval (days) 0.97 -1.459 -1.42
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.16
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 3.02

* Based on an €80/tonne carbon price