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 2.38
Milk (kg) -132.00 -0.014 1.85
Fat (kg) 2.51 -0.375 -0.94
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 8.22
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) 1.36 1.117 1.52
Calving Sub Index 1.86
Gestation Length (days) -2.02 -0.919 1.86
Beef Sub Index 1.64
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 17.24

* Based on an €80/tonne carbon price