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 2.72
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 2.63 -0.375 -0.99
Prot (kg) -5.47 -0.441 2.41
Fertility Sub Index 0.83
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.01
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 4.56

* Based on an €80/tonne carbon price