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 1.91
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -1.98 -0.441 0.87
Fertility Sub Index 3.23
Calving Interval (days) -1.84 -1.459 2.68
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 4.27
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) -2.55 -0.432 1.10
Maintenance Sub Index Maint. Sub Index 7.48
Live WT (kg) -24.40 -0.307 7.48
Total Carbon Sub Index 20.72

* Based on an €80/tonne carbon price