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 2.07
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) -4.64 -0.375 1.74
Prot (kg) -1.06 -0.441 0.47
Fertility Sub Index -1.20
Calving Interval (days) 0.50 -1.459 -0.73
Survival (%) -0.42 1.117 -0.47
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.50
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 1.12

* Based on an €80/tonne carbon price