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 3.75
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -3.46 -0.375 1.30
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index 2.40
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 2.30
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.78 -0.432 0.77
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 19.05

* Based on an €80/tonne carbon price