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 4.68
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -0.75 -0.375 0.28
Prot (kg) -4.16 -0.441 1.84
Fertility Sub Index 1.35
Calving Interval (days) -0.81 -1.459 1.18
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 7.74

* Based on an €80/tonne carbon price