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 9.11
Milk (kg) 63.00 -0.014 -0.88
Fat (kg) -12.62 -0.375 4.73
Prot (kg) -11.94 -0.441 5.27
Fertility Sub Index 0.74
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 11.71

* Based on an €80/tonne carbon price