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 -10.80
Milk (kg) 101.00 -0.014 -1.41
Fat (kg) 11.51 -0.375 -4.31
Prot (kg) 11.49 -0.441 -5.07
Fertility Sub Index 7.04
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 0.91 1.117 1.02
Calving Sub Index 2.90
Gestation Length (days) -3.16 -0.919 2.90
Beef Sub Index 1.69
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 3.53 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 4.21

* Based on an €80/tonne carbon price