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 2.85
Milk (kg) -174.00 -0.014 2.44
Fat (kg) 2.38 -0.375 -0.89
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 4.29
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 1.62 1.117 1.81
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -1.56
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.01 -0.432 -3.46
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 13.55

* Based on an €80/tonne carbon price