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 -4.00
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 9.05 -0.375 -3.39
Prot (kg) 2.02 -0.441 -0.89
Fertility Sub Index 10.20
Calving Interval (days) -6.00 -1.459 8.75
Survival (%) 1.29 1.117 1.44
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index 3.12
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -3.69 -0.432 1.59
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 11.60

* Based on an €80/tonne carbon price