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) 31.00 -0.014 -0.43
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -3.24 -0.441 1.43
Fertility Sub Index -2.94
Calving Interval (days) 1.92 -1.459 -2.80
Survival (%) -0.12 1.117 -0.13
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.30
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 2.68

* Based on an €80/tonne carbon price