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 8.32
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -6.53 -0.375 2.45
Prot (kg) -8.11 -0.441 3.58
Fertility Sub Index 1.34
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.21 1.117 0.23
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.30
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index -2.61
Live WT (kg) 8.50 -0.307 -2.61
Total Carbon Sub Index 8.89

* Based on an €80/tonne carbon price