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 -3.19
Milk (kg) 43.00 -0.014 -0.60
Fat (kg) 8.76 -0.375 -3.28
Prot (kg) -1.57 -0.441 0.69
Fertility Sub Index -1.02
Calving Interval (days) 0.96 -1.459 -1.40
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.03
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index -4.09

* Based on an €80/tonne carbon price