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 4.52
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -3.18 -0.375 1.19
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 3.89
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.19
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 12.17

* Based on an €80/tonne carbon price