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 5.91
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -5.74 -0.375 2.15
Prot (kg) -2.69 -0.441 1.19
Fertility Sub Index 6.84
Calving Interval (days) -4.92 -1.459 7.18
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index -3.40
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index -2.94
Live WT (kg) 9.60 -0.307 -2.94
Total Carbon Sub Index 7.69

* Based on an €80/tonne carbon price