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 3.92
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -2.29 -0.375 0.86
Prot (kg) -2.56 -0.441 1.13
Fertility Sub Index 5.92
Calving Interval (days) -4.04 -1.459 5.89
Survival (%) 0.02 1.117 0.02
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index -0.40
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 13.23

* Based on an €80/tonne carbon price