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 10.42
Milk (kg) -206.00 -0.014 2.88
Fat (kg) -10.79 -0.375 4.04
Prot (kg) -7.91 -0.441 3.49
Fertility Sub Index 1.49
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) 1.32 1.117 1.47
Calving Sub Index -1.14
Gestation Length (days) 1.24 -0.919 -1.14
Beef Sub Index -4.30
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) 5.32 -0.432 -2.30
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 5.12

* Based on an €80/tonne carbon price