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 -4.50
Milk (kg) 92.00 -0.014 -1.29
Fat (kg) 4.04 -0.375 -1.51
Prot (kg) 3.86 -0.441 -1.70
Fertility Sub Index -10.77
Calving Interval (days) 5.83 -1.459 -8.51
Survival (%) -2.03 1.117 -2.27
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index -1.08
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 3.24 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index -13.80

* Based on an €80/tonne carbon price