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 3.58
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -1.20 -0.375 0.45
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index 4.12
Calving Interval (days) -2.43 -1.459 3.55
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index -0.92
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 5.43 -0.432 -2.34
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 10.32

* Based on an €80/tonne carbon price