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 4.45
Milk (kg) 30.00 -0.014 -0.42
Fat (kg) -6.06 -0.375 2.27
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 1.19
Calving Interval (days) -0.78 -1.459 1.14
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 0.20
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 6.31

* Based on an €80/tonne carbon price