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 4.52
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -6.57 -0.375 2.46
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 7.15
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 2.06 1.117 2.30
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.53
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 19.99

* Based on an €80/tonne carbon price