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 2.23
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -4.69 -0.375 1.76
Prot (kg) -0.11 -0.441 0.05
Fertility Sub Index 0.95
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) -0.65 1.117 -0.73
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index 3.97
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) -1.62 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 10.64

* Based on an €80/tonne carbon price