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 4.93
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -6.97 -0.375 2.61
Prot (kg) -3.36 -0.441 1.48
Fertility Sub Index -2.80
Calving Interval (days) 1.35 -1.459 -1.97
Survival (%) -0.74 1.117 -0.83
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index -0.74
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 4.64 -0.432 -2.00
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 3.27

* Based on an €80/tonne carbon price