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 4.43
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -7.49 -0.375 2.81
Prot (kg) -0.61 -0.441 0.27
Fertility Sub Index 6.06
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.49 1.117 1.66
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.19
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.66 -0.432 0.72
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 22.90

* Based on an €80/tonne carbon price