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 2.70
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 0.51
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.43
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 3.42

* Based on an €80/tonne carbon price