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 4.73
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -3.30 -0.375 1.24
Prot (kg) -6.39 -0.441 2.82
Fertility Sub Index -9.64
Calving Interval (days) 5.20 -1.459 -7.59
Survival (%) -1.84 1.117 -2.06
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index 0.12
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index -3.36

* Based on an €80/tonne carbon price