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 1.85
Milk (kg) -71.00 -0.014 0.99
Fat (kg) 4.82 -0.375 -1.81
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index -2.69
Calving Interval (days) 1.66 -1.459 -2.42
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index -0.10
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.27 -0.432 -1.84
Maintenance Sub Index Maint. Sub Index -2.97
Live WT (kg) 9.70 -0.307 -2.97
Total Carbon Sub Index -4.09

* Based on an €80/tonne carbon price