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 4.03
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -5.70 -0.375 2.13
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index 7.60
Calving Interval (days) -5.82 -1.459 8.49
Survival (%) -0.80 1.117 -0.89
Calving Sub Index -3.15
Gestation Length (days) 3.43 -0.919 -3.15
Beef Sub Index 3.32
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -5.61 -0.432 2.42
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 13.85

* Based on an €80/tonne carbon price