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 9.59
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -10.46 -0.375 3.92
Prot (kg) -9.10 -0.441 4.02
Fertility Sub Index 1.00
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) 0.36 1.117 0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.28
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 12.18

* Based on an €80/tonne carbon price