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 2.21
Milk (kg) 57.00 -0.014 -0.80
Fat (kg) -3.51 -0.375 1.31
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index 6.59
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -2.20
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 6.19

* Based on an €80/tonne carbon price