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 4.63
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -6.20 -0.375 2.32
Prot (kg) -1.94 -0.441 0.86
Fertility Sub Index 1.45
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 0.23 1.117 0.26
Calving Sub Index -1.95
Gestation Length (days) 2.12 -0.919 -1.95
Beef Sub Index -3.77
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index -2.82
Live WT (kg) 9.20 -0.307 -2.82
Total Carbon Sub Index -2.46

* Based on an €80/tonne carbon price