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 1.10
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -0.90 -0.441 0.40
Fertility Sub Index 6.95
Calving Interval (days) -4.00 -1.459 5.84
Survival (%) 1.00 1.117 1.12
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index -0.39
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 11.23

* Based on an €80/tonne carbon price