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 1.92
Milk (kg) -70.00 -0.014 0.98
Fat (kg) 3.65 -0.375 -1.37
Prot (kg) -5.23 -0.441 2.31
Fertility Sub Index 3.52
Calving Interval (days) -2.43 -1.459 3.55
Survival (%) -0.02 1.117 -0.02
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index 0.21
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 8.82

* Based on an €80/tonne carbon price