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 4.35
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -5.62 -0.375 2.11
Prot (kg) -5.16 -0.441 2.28
Fertility Sub Index -2.18
Calving Interval (days) 0.98 -1.459 -1.43
Survival (%) -0.67 1.117 -0.75
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index 0.41
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 4.67 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 4.94

* Based on an €80/tonne carbon price