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 11.44
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -11.80 -0.375 4.42
Prot (kg) -10.86 -0.441 4.79
Fertility Sub Index 3.49
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 1.85
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 20.43

* Based on an €80/tonne carbon price