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 -11.73
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) 15.94 -0.375 -5.97
Prot (kg) 12.80 -0.441 -5.65
Fertility Sub Index 10.41
Calving Interval (days) -5.07 -1.459 7.40
Survival (%) 2.70 1.117 3.02
Calving Sub Index 4.52
Gestation Length (days) -4.92 -0.919 4.52
Beef Sub Index 1.04
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 5.65 -0.432 -2.44
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 8.23

* Based on an €80/tonne carbon price