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 1.58
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -2.19 -0.375 0.82
Prot (kg) -2.00 -0.441 0.88
Fertility Sub Index -8.30
Calving Interval (days) 4.01 -1.459 -5.85
Survival (%) -2.19 1.117 -2.45
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.69
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.80 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index -0.21
Live WT (kg) 0.70 -0.307 -0.21
Total Carbon Sub Index -5.69

* Based on an €80/tonne carbon price