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 6.70
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -5.17 -0.375 1.94
Prot (kg) -7.42 -0.441 3.27
Fertility Sub Index 1.67
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.56
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 3.38 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 8.23

* Based on an €80/tonne carbon price