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 1.38
Milk (kg) -48.00 -0.014 0.67
Fat (kg) 1.30 -0.375 -0.49
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 0.86
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.17
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 4.21

* Based on an €80/tonne carbon price