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 33.80
Milk (kg) -615.00 -0.014 8.61
Fat (kg) -30.44 -0.375 11.40
Prot (kg) -31.23 -0.441 13.78
Fertility Sub Index 7.05
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -0.31
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 43.60

* Based on an €80/tonne carbon price