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 6.31
Milk (kg) -295.00 -0.014 4.13
Fat (kg) -1.93 -0.375 0.72
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index 10.26
Calving Interval (days) -6.38 -1.459 9.31
Survival (%) 0.85 1.117 0.95
Calving Sub Index 2.64
Gestation Length (days) -2.87 -0.919 2.64
Beef Sub Index 0.81
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price