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 5.76
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -7.53 -0.375 2.82
Prot (kg) -4.37 -0.441 1.93
Fertility Sub Index 11.77
Calving Interval (days) -5.56 -1.459 8.11
Survival (%) 3.27 1.117 3.65
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.24
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 22.13

* Based on an €80/tonne carbon price