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 2.80
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.04 -0.375 0.39
Prot (kg) -2.17 -0.441 0.96
Fertility Sub Index 4.65
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 0.94 1.117 1.05
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 4.90
Carcass Weight (kg) -10.20 -0.528 5.38
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 18.87

* Based on an €80/tonne carbon price