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 18.66
Milk (kg) -437.00 -0.014 6.12
Fat (kg) -16.34 -0.375 6.12
Prot (kg) -14.56 -0.441 6.43
Fertility Sub Index 3.33
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 0.72 1.117 0.80
Calving Sub Index -1.35
Gestation Length (days) 1.47 -0.919 -1.35
Beef Sub Index -2.37
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 3.54 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 20.84

* Based on an €80/tonne carbon price