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 4.22
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -0.64 -0.375 0.24
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index 4.28
Calving Interval (days) -1.71 -1.459 2.49
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index -1.57
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 8.40 -0.432 -3.63
Maintenance Sub Index Maint. Sub Index 7.30
Live WT (kg) -23.80 -0.307 7.30
Total Carbon Sub Index 15.02

* Based on an €80/tonne carbon price