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 1.20
Milk (kg) -31.00 -0.014 0.43
Fat (kg) 0.97 -0.375 -0.36
Prot (kg) -2.57 -0.441 1.13
Fertility Sub Index 1.38
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 4.36

* Based on an €80/tonne carbon price