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 3.44
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 4.69
Calving Interval (days) -3.43 -1.459 5.00
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index 1.18
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 12.63

* Based on an €80/tonne carbon price