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 -3.36
Milk (kg) 109.00 -0.014 -1.53
Fat (kg) 2.45 -0.375 -0.92
Prot (kg) 2.08 -0.441 -0.92
Fertility Sub Index -5.22
Calving Interval (days) 2.51 -1.459 -3.66
Survival (%) -1.39 1.117 -1.55
Calving Sub Index 2.24
Gestation Length (days) -2.44 -0.919 2.24
Beef Sub Index -0.30
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.74 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index -6.61

* Based on an €80/tonne carbon price