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 1.60
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -1.15 -0.375 0.43
Prot (kg) -1.67 -0.441 0.74
Fertility Sub Index 0.28
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.15
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 3.49

* Based on an €80/tonne carbon price