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 7.86
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -8.31 -0.375 3.11
Prot (kg) -7.01 -0.441 3.09
Fertility Sub Index 4.80
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 0.35
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.11 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 13.82

* Based on an €80/tonne carbon price