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 3.05
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -0.49 -0.375 0.18
Prot (kg) -3.35 -0.441 1.48
Fertility Sub Index 4.64
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.51
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 10.82

* Based on an €80/tonne carbon price