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 4.55
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -3.21 -0.375 1.20
Prot (kg) -3.94 -0.441 1.74
Fertility Sub Index 6.99
Calving Interval (days) -3.99 -1.459 5.82
Survival (%) 1.05 1.117 1.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 3.60
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) -1.87 -0.432 0.81
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 18.73

* Based on an €80/tonne carbon price