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 3.75
Milk (kg) 15.00 -0.014 -0.21
Fat (kg) -5.09 -0.375 1.91
Prot (kg) -4.65 -0.441 2.05
Fertility Sub Index 2.07
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.12
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 6.38

* Based on an €80/tonne carbon price