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 7.29
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -5.52 -0.375 2.07
Prot (kg) -7.08 -0.441 3.12
Fertility Sub Index 7.34
Calving Interval (days) -4.27 -1.459 6.23
Survival (%) 0.99 1.117 1.11
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index 0.08
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 17.79

* Based on an €80/tonne carbon price