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 -0.60
Milk (kg) 28.00 -0.014 -0.39
Fat (kg) 2.71 -0.375 -1.02
Prot (kg) -1.82 -0.441 0.80
Fertility Sub Index -3.53
Calving Interval (days) 1.64 -1.459 -2.39
Survival (%) -1.02 1.117 -1.14
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -1.26
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 4.87 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -3.36

* Based on an €80/tonne carbon price