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 12.21
Milk (kg) -218.00 -0.014 3.05
Fat (kg) -13.82 -0.375 5.18
Prot (kg) -9.02 -0.441 3.98
Fertility Sub Index 2.63
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.45 1.117 0.50
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index -3.24
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) 0.79 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index -1.32
Live WT (kg) 4.30 -0.307 -1.32
Total Carbon Sub Index 8.70

* Based on an €80/tonne carbon price