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 7.53
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -6.90 -0.375 2.58
Prot (kg) -7.21 -0.441 3.18
Fertility Sub Index 1.89
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 1.04 1.117 1.16
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index -0.55
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) -0.55 -0.432 0.24
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 9.27

* Based on an €80/tonne carbon price