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 3.34
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -1.88 -0.375 0.70
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index 4.52
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) 0.91 1.117 1.02
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.50
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 17.65

* Based on an €80/tonne carbon price