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 12.96
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -11.07 -0.375 4.15
Prot (kg) -10.23 -0.441 4.52
Fertility Sub Index 4.66
Calving Interval (days) -4.32 -1.459 6.30
Survival (%) -1.47 1.117 -1.64
Calving Sub Index -3.29
Gestation Length (days) 3.58 -0.919 -3.29
Beef Sub Index 3.30
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -4.23 -0.432 1.83
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 20.97

* Based on an €80/tonne carbon price