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 7.48
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -7.80 -0.375 2.92
Prot (kg) -5.75 -0.441 2.54
Fertility Sub Index 3.45
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.80 1.117 0.89
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -2.13
Carcass Weight (kg) 4.30 -0.528 -2.27
Age of Slaughter (days) -0.32 -0.432 0.14
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 8.74

* Based on an €80/tonne carbon price