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 1.49
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -0.20 -0.375 0.07
Prot (kg) -2.34 -0.441 1.03
Fertility Sub Index 2.84
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.51
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.74 -0.432 -1.18
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 5.29

* Based on an €80/tonne carbon price