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 8.30
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -8.95 -0.375 3.35
Prot (kg) -6.84 -0.441 3.02
Fertility Sub Index 4.01
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 0.59 1.117 0.66
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.17
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -0.51 -0.432 0.22
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 23.85

* Based on an €80/tonne carbon price