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 1.08
Milk (kg) -149.00 -0.014 2.09
Fat (kg) 3.66 -0.375 -1.37
Prot (kg) -0.83 -0.441 0.37
Fertility Sub Index 7.09
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 1.97 1.117 2.20
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.61
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -3.00 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 19.70

* Based on an €80/tonne carbon price