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 2.21
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index 4.37
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 1.44 1.117 1.61
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.65
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 14.27

* Based on an €80/tonne carbon price