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 1.62
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -0.36 -0.375 0.13
Prot (kg) -0.38 -0.441 0.17
Fertility Sub Index 6.05
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 2.61 1.117 2.92
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index -1.86
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) -1.67 -0.432 0.72
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 12.14

* Based on an €80/tonne carbon price