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 9.35
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -8.46 -0.375 3.17
Prot (kg) -9.72 -0.441 4.29
Fertility Sub Index 1.06
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.76
Gestation Length (days) 0.83 -0.919 -0.76
Beef Sub Index 0.62
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 12.01

* Based on an €80/tonne carbon price