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 3.87
Milk (kg) -119.00 -0.014 1.67
Fat (kg) 1.61 -0.375 -0.60
Prot (kg) -6.35 -0.441 2.80
Fertility Sub Index 3.46
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.02
Gestation Length (days) -0.02 -0.919 0.02
Beef Sub Index 0.17
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 9.48

* Based on an €80/tonne carbon price