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 2.71
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -3.29 -0.441 1.45
Fertility Sub Index 7.58
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 1.23 1.117 1.37
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index 2.25
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 17.84

* Based on an €80/tonne carbon price