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 1.87
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -0.15 -0.375 0.06
Prot (kg) -1.80 -0.441 0.79
Fertility Sub Index 0.87
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 4.45

* Based on an €80/tonne carbon price