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 6.12
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -6.65 -0.375 2.49
Prot (kg) -4.11 -0.441 1.81
Fertility Sub Index -1.06
Calving Interval (days) 0.46 -1.459 -0.67
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -2.09
Gestation Length (days) 2.27 -0.919 -2.09
Beef Sub Index -0.75
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 7.60 -0.432 -3.28
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 3.42

* Based on an €80/tonne carbon price