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 9.13
Milk (kg) -227.00 -0.014 3.18
Fat (kg) -10.82 -0.375 4.05
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index 9.19
Calving Interval (days) -4.75 -1.459 6.93
Survival (%) 2.02 1.117 2.26
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.48
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.19 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 24.99

* Based on an €80/tonne carbon price