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 2.93
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index -7.78
Calving Interval (days) 4.06 -1.459 -5.92
Survival (%) -1.66 1.117 -1.85
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 0.49
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index -4.30

* Based on an €80/tonne carbon price