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 4.61
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -6.52 -0.375 2.44
Prot (kg) -4.95 -0.441 2.18
Fertility Sub Index -0.32
Calving Interval (days) 0.60 -1.459 -0.88
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -2.77
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index -0.50

* Based on an €80/tonne carbon price