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 3.81
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -4.03 -0.375 1.51
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index -1.17
Calving Interval (days) 1.44 -1.459 -2.10
Survival (%) 0.83 1.117 0.93
Calving Sub Index -0.53
Gestation Length (days) 0.58 -0.919 -0.53
Beef Sub Index -1.54
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 8.20 -0.432 -3.54
Maintenance Sub Index Maint. Sub Index 7.11
Live WT (kg) -23.20 -0.307 7.11
Total Carbon Sub Index 7.68

* Based on an €80/tonne carbon price