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 4.79
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -2.27 -0.375 0.85
Prot (kg) -6.40 -0.441 2.82
Fertility Sub Index -1.48
Calving Interval (days) 0.70 -1.459 -1.02
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 0.11
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 5.24

* Based on an €80/tonne carbon price