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 -3.00
Milk (kg) -57.00 -0.014 0.80
Fat (kg) 6.60 -0.375 -2.47
Prot (kg) 3.00 -0.441 -1.32
Fertility Sub Index -8.80
Calving Interval (days) 4.38 -1.459 -6.39
Survival (%) -2.16 1.117 -2.41
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index 0.27
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index -12.49

* Based on an €80/tonne carbon price