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 16.90
Milk (kg) -342.00 -0.014 4.79
Fat (kg) -16.06 -0.375 6.02
Prot (kg) -13.81 -0.441 6.10
Fertility Sub Index 10.79
Calving Interval (days) -6.50 -1.459 9.48
Survival (%) 1.17 1.117 1.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.12
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 4.00 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 35.20

* Based on an €80/tonne carbon price