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 6.78
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -7.20 -0.375 2.70
Prot (kg) -4.84 -0.441 2.14
Fertility Sub Index 6.90
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 2.27 1.117 2.54
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.63
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.38 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 22.69

* Based on an €80/tonne carbon price