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 4.71
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -5.00 -0.375 1.87
Prot (kg) -5.01 -0.441 2.21
Fertility Sub Index -10.72
Calving Interval (days) 5.64 -1.459 -8.23
Survival (%) -2.23 1.117 -2.49
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index 0.45
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index -4.95

* Based on an €80/tonne carbon price