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 2.91
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -1.45 -0.375 0.54
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index -0.34
Calving Interval (days) 0.30 -1.459 -0.44
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index 0.47
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 2.40

* Based on an €80/tonne carbon price