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 3.04
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -1.30 -0.375 0.49
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index -1.43
Calving Interval (days) 1.46 -1.459 -2.13
Survival (%) 0.63 1.117 0.70
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index 0.91
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 3.15 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 6.26

* Based on an €80/tonne carbon price