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 6.64
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -6.90 -0.441 3.05
Fertility Sub Index 10.50
Calving Interval (days) -4.69 -1.459 6.84
Survival (%) 3.27 1.117 3.65
Calving Sub Index -3.55
Gestation Length (days) 3.86 -0.919 -3.55
Beef Sub Index 3.04
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -2.88 -0.432 1.24
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 20.67

* Based on an €80/tonne carbon price