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 2.46
Milk (kg) -85.00 -0.014 1.19
Fat (kg) 2.69 -0.375 -1.01
Prot (kg) -5.17 -0.441 2.28
Fertility Sub Index 2.43
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 6.45

* Based on an €80/tonne carbon price