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 5.44
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -3.86 -0.375 1.45
Prot (kg) -5.21 -0.441 2.30
Fertility Sub Index 10.51
Calving Interval (days) -5.41 -1.459 7.89
Survival (%) 2.34 1.117 2.61
Calving Sub Index -2.49
Gestation Length (days) 2.71 -0.919 -2.49
Beef Sub Index 0.90
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -2.44 -0.432 1.05
Maintenance Sub Index Maint. Sub Index -0.46
Live WT (kg) 1.50 -0.307 -0.46
Total Carbon Sub Index 13.90

* Based on an €80/tonne carbon price