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 2.89
Milk (kg) -110.00 -0.014 1.54
Fat (kg) 1.02 -0.375 -0.38
Prot (kg) -3.92 -0.441 1.73
Fertility Sub Index -4.62
Calving Interval (days) 2.09 -1.459 -3.05
Survival (%) -1.41 1.117 -1.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) -1.95 -0.432 0.84
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index -1.67

* Based on an €80/tonne carbon price