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 6.74
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -7.34 -0.441 3.24
Fertility Sub Index 1.64
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.42 1.117 0.47
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index 0.73
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 8.81

* Based on an €80/tonne carbon price