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 6.70
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -2.32 -0.375 0.87
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 8.65
Calving Interval (days) -5.39 -1.459 7.86
Survival (%) 0.70 1.117 0.78
Calving Sub Index 1.07
Gestation Length (days) -1.16 -0.919 1.07
Beef Sub Index 2.23
Carcass Weight (kg) 6.30 -0.528 -3.32
Age of Slaughter (days) -12.86 -0.432 5.55
Maintenance Sub Index Maint. Sub Index -2.45
Live WT (kg) 8.00 -0.307 -2.45
Total Carbon Sub Index 16.19

* Based on an €80/tonne carbon price