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 6.56
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -7.67 -0.375 2.87
Prot (kg) -5.05 -0.441 2.23
Fertility Sub Index 6.93
Calving Interval (days) -3.77 -1.459 5.50
Survival (%) 1.28 1.117 1.43
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.65
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.27 -0.432 0.12
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 17.27

* Based on an €80/tonne carbon price