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 9.49
Milk (kg) -206.00 -0.014 2.88
Fat (kg) -9.10 -0.375 3.41
Prot (kg) -7.24 -0.441 3.20
Fertility Sub Index 3.02
Calving Interval (days) -1.81 -1.459 2.64
Survival (%) 0.34 1.117 0.38
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index 0.65
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 13.87

* Based on an €80/tonne carbon price