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 1.46
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -1.13 -0.375 0.42
Prot (kg) -1.23 -0.441 0.54
Fertility Sub Index 6.38
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 1.69 1.117 1.89
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.65
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -2.95 -0.432 1.27
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 19.67

* Based on an €80/tonne carbon price