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 6.44
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -5.65 -0.375 2.12
Prot (kg) -4.18 -0.441 1.84
Fertility Sub Index 2.35
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) 0.88 1.117 0.98
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index 0.39
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 15.38

* Based on an €80/tonne carbon price