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 2.88
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -2.73 -0.375 1.02
Prot (kg) -2.09 -0.441 0.92
Fertility Sub Index 0.30
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) -0.42 1.117 -0.47
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.66
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 7.36

* Based on an €80/tonne carbon price