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 2.28
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -2.97 -0.375 1.11
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index 6.44
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 1.79 1.117 2.00
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.90
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 17.84

* Based on an €80/tonne carbon price