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 8.01
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -8.42 -0.375 3.15
Prot (kg) -5.42 -0.441 2.39
Fertility Sub Index 6.35
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 2.48 1.117 2.77
Calving Sub Index 1.67
Gestation Length (days) -1.82 -0.919 1.67
Beef Sub Index 2.83
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 0.29 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 19.25

* Based on an €80/tonne carbon price