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 6.82
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -6.58 -0.375 2.46
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index 9.07
Calving Interval (days) -5.02 -1.459 7.32
Survival (%) 1.56 1.117 1.74
Calving Sub Index 1.22
Gestation Length (days) -1.33 -0.919 1.22
Beef Sub Index 0.62
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 22.08

* Based on an €80/tonne carbon price