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 3.65
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) 2.50 -0.375 -0.94
Prot (kg) -10.65 -0.441 4.70
Fertility Sub Index -6.86
Calving Interval (days) 3.69 -1.459 -5.38
Survival (%) -1.32 1.117 -1.47
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.37
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.31 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -1.80

* Based on an €80/tonne carbon price