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 6.39
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.47 -0.375 2.05
Prot (kg) -5.12 -0.441 2.26
Fertility Sub Index 6.23
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 0.74 1.117 0.83
Calving Sub Index 1.89
Gestation Length (days) -2.06 -0.919 1.89
Beef Sub Index 3.38
Carcass Weight (kg) -7.70 -0.528 4.06
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 22.79

* Based on an €80/tonne carbon price