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 4.17
Milk (kg) -219.00 -0.014 3.07
Fat (kg) 1.22 -0.375 -0.46
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index -2.73
Calving Interval (days) 1.39 -1.459 -2.03
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 1.16
Gestation Length (days) -1.26 -0.919 1.16
Beef Sub Index 0.86
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 6.27

* Based on an €80/tonne carbon price