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 6.91
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -7.22 -0.375 2.70
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 5.79
Calving Interval (days) -3.28 -1.459 4.79
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 1.57
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 19.46

* Based on an €80/tonne carbon price