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 3.37
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -4.01 -0.375 1.50
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index -0.69
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index -1.40
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 3.85 -0.432 -1.66
Maintenance Sub Index Maint. Sub Index -2.27
Live WT (kg) 7.40 -0.307 -2.27
Total Carbon Sub Index -0.58

* Based on an €80/tonne carbon price