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 -3.65
Milk (kg) 124.00 -0.014 -1.74
Fat (kg) 0.52 -0.375 -0.19
Prot (kg) 3.90 -0.441 -1.72
Fertility Sub Index -3.00
Calving Interval (days) 1.24 -1.459 -1.81
Survival (%) -1.07 1.117 -1.20
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 0.33
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.53 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -4.81

* Based on an €80/tonne carbon price