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 8.72
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -8.48 -0.375 3.18
Prot (kg) -6.62 -0.441 2.92
Fertility Sub Index 5.12
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 0.34 1.117 0.38
Calving Sub Index -1.96
Gestation Length (days) 2.13 -0.919 -1.96
Beef Sub Index 3.53
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) -2.32 -0.432 1.00
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 19.25

* Based on an €80/tonne carbon price