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 2.71
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -3.86 -0.375 1.45
Prot (kg) 1.19 -0.441 -0.53
Fertility Sub Index 5.20
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 0.36 1.117 0.40
Calving Sub Index 2.44
Gestation Length (days) -2.65 -0.919 2.44
Beef Sub Index -0.93
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index 9.49

* Based on an €80/tonne carbon price