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 5.52
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -6.13 -0.375 2.30
Prot (kg) -2.87 -0.441 1.27
Fertility Sub Index 8.90
Calving Interval (days) -5.68 -1.459 8.29
Survival (%) 0.55 1.117 0.61
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.94
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 21.58

* Based on an €80/tonne carbon price