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 4.17
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -6.84 -0.375 2.56
Prot (kg) -2.53 -0.441 1.12
Fertility Sub Index 3.74
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 0.71 1.117 0.79
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index 1.28
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.77 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 14.33

* Based on an €80/tonne carbon price