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 13.02
Milk (kg) -408.00 -0.014 5.71
Fat (kg) -9.26 -0.375 3.47
Prot (kg) -8.70 -0.441 3.84
Fertility Sub Index 3.51
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.52 1.117 0.58
Calving Sub Index 1.49
Gestation Length (days) -1.62 -0.919 1.49
Beef Sub Index -1.30
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 16.75

* Based on an €80/tonne carbon price