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 1.97
Milk (kg) -67.00 -0.014 0.94
Fat (kg) 0.65 -0.375 -0.24
Prot (kg) -2.89 -0.441 1.28
Fertility Sub Index 3.18
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index 1.37
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index 5.24

* Based on an €80/tonne carbon price