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 16.04
Milk (kg) -321.00 -0.014 4.49
Fat (kg) -15.39 -0.375 5.76
Prot (kg) -13.10 -0.441 5.78
Fertility Sub Index 9.25
Calving Interval (days) -5.91 -1.459 8.62
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 2.14
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 33.41

* Based on an €80/tonne carbon price