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 1.86
Milk (kg) -55.00 -0.014 0.77
Fat (kg) 1.79 -0.375 -0.67
Prot (kg) -3.98 -0.441 1.76
Fertility Sub Index 3.77
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index -0.02
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.38 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 7.78

* Based on an €80/tonne carbon price