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) -29.00 -0.014 0.41
Fat (kg) -4.92 -0.375 1.84
Prot (kg) -4.95 -0.441 2.18
Fertility Sub Index 3.68
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index -1.34
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 7.52

* Based on an €80/tonne carbon price