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 3.82
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -1.41 -0.375 0.53
Prot (kg) -6.29 -0.441 2.78
Fertility Sub Index 3.02
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 0.97 1.117 1.08
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index -0.23
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.93 -0.432 -2.13
Maintenance Sub Index Maint. Sub Index -0.15
Live WT (kg) 0.50 -0.307 -0.15
Total Carbon Sub Index 6.41

* Based on an €80/tonne carbon price